DNA and chromosomes
- deoxyribonucleic acid (DNA) [N/A (synthetic)]: PDB:1BNA
- Human Telomeric DNA (monomer with 22 bases) [Homo sapiens (human)]: PDB:1KF1
- Ribonucleotide reductase [Escherichia coli (bacteria)]: PDB:1MXR
- SWI2/SNF2 chromatin-remodeling domain of eukaryotic Rad54 [Danio rerio (zebra fish)]: PDB:1Z3I
- Nucleosome (nucleosome core / DNA complex) [Xenopus laevis (African clawed frog)]: PDB:1ZBB
- BPTF PHD finger-linker-bromodomain bound to H3K4me3 [Homo sapiens (human)]: PDB:2F6J
- Histon modification protein WRD5 / histon subunit H3 complex [Human]: PDB:2H13
- CIA-histone H3-H4 complex [Homo sapiens (human)]: PDB:2IO5
- Ftsk(C-domain) hexmer [Bacteria(Pseudomonas-aeruginosa)]: PDB:2IUU
DNA replication
- Replication terminator protein(Tus)/DNA complex [Escherichia coli]: PDB:1ECR
- Human Telomeric DNA (monomer with 22 bases) [Homo sapiens (human)]: PDB:1KF1
- Bifunctional DNA primase-polymerase [Sulfolobus islandicus (archaea)]: PDB:1RNI
- SV40 large tumor antigen [Simian virus 40 (virus)]: PDB:1SVM
- clamp loader (RFC) bound to the DNA sliding clamp (PCNA) [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1SXJ
- TAQ polymerase (DNA synthesizer)/DNA complex [Thermus aquaticus (bacteria)]: PDB:1TAU
- SWI2/SNF2 chromatin-remodeling domain of eukaryotic Rad54 [Danio rerio (zebra fish)]: PDB:1Z3I
- Telomere repeat-binding protein [Arabidopsis thaliana (thale cress)]: PDB:2AJE
- SWIRM domain of chromosomal DNA binding protein ADA2α [Human]: PDB:2AQE
- Pentapeptide repeat protein for resistance against quinolones, MfpA [Mycobacterium tuberculosis (bacteria)]: PDB:2BM4
- Papillomavirus E1 hexameric helicase [Bovine papillomavirus type I]: PDB:2GXA
- CIA-histone H3-H4 complex [Homo sapiens (human)]: PDB:2IO5
- E. coli DNA polymerase III, beta-subunit [Escherichia coli (bacteria)]: PDB:2POL
- E. coli DNA polymerase III, beta-subunit / DNA complex [Escherichia coli]: PDB:3BEP
DNA repair
- Intein PI-SceI homing endonuclease [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1DFA
- human 8-oxoguanine glycosylase (hOGG1) bound to DNA [Homo sapiens (human)]: PDB:1EBM
- DNA repair enzyme [Homo sapiens (human)]: PDB:1EWN
- Intein PI-SceI homing endonuclease / DNA complex [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1LWS
- MutY adenine DNA glycosylase/DNA lesion in A*oxoG pair complex [Bacillus stearothermophilus (bacteria)]: PDB:1RRQ
- Restriction enzyme EcoRV/DNA complex (before DNA cleave, without Mg2+ ion) [Escherichia coli (bacteria)]: PDB:1RVA
- Restriction enzyme EcoRV / DNA Complex (after DNA cleaved, with Mg2+ ion) [Escherichia coli (bacteria)]: PDB:1RVC
- TAQ polymerase (DNA synthesizer)/DNA complex [Thermus aquaticus (bacteria)]: PDB:1TAU
- Deoxyribodipyrimidine photolyase/DNA complex [Synechococcus sp. PCC 6301 (cyanobacteria)]: PDB:1TEZ
- DNA repairing complex RecBCD [Escherichia coli (bacteria)]: PDB:1W36
- SUMO1-conjugated thymine DNA glycosylase [Homo sapiens (human)]: PDB:1WYW
- SWI2/SNF2 chromatin-remodeling domain of eukaryotic Rad54 [Danio rerio (zebra fish)]: PDB:1Z3I
- Transcription-repair coupling factor [Escherichia coli]: PDB:2EYQ
- B subunit of UvrABC (DNA repair system) complexed with a DNA strand [Bacillus caldotenax (bacteria)]: PDB:2FDC
- RNA ligase Rnl2 complexed with AMP [Bacteriophage T4 (virus)]: PDB:2HVQ
- CIA-histone H3-H4 complex [Homo sapiens (human)]: PDB:2IO5
- Cisplatin/DNA complex [N/A]: PDB:5BNA
DNA recombination
- Gamma delta resolvase / DNA complex [Escherichia coli]: PDB:1GDT
- gamma-delta T cell receptor in complex with MHC T22 [Mus musculus (house mouse)]: PDB:1YPZ
- SWI2/SNF2 chromatin-remodeling domain of eukaryotic Rad54 [Danio rerio (zebra fish)]: PDB:1Z3I
- Integron integrase-attC sequence complex [Vibria cholelae]: PDB:2A3V
- Restriction enzyme Ecl18kI-DNA complex [Enterobacter cloaceae]: PDB:2FQZ
- Ftsk(C-domain) hexmer [Bacteria(Pseudomonas-aeruginosa)]: PDB:2IUU
- IS608 transposase TnpA / DNA complex [Helicobacter pylori]: PDB:2VJV
Transcription (from DNA to RNA)
- Sex-lethal (Sxl) protein/RNA complex [Drosophila melanogaster (fruit fly)]: PDB:1B7F
- Trp RNA-Binding Attenuation Protein/RNA complex [Bacillus stearothermophilus (bacteria)]: PDB:1C9S
- TATA binding protein (TBP)/DNA complex [Homo sapiens (human)]: PDB:1CDW
- Catabolite gene activator protein complex with DNA [Escherichia coli (bacteria)]: PDB:1CGP
- Mammalian Poly(A) Polymerase [Bos taurus (bovine)]: PDB:1F5A
- Transcription factor c-Fos-c-Jun / DNA complex [Homo sapiens (Human)]: PDB:1FOS
- Oct4/Sox2/DNA complex [Mouse, Human]: PDB:1GT0
- DNA-DIRECTED RNA POLYMERASE II [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1I6H
- mRNA decapping enzyme Dcp1p [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1Q67
- Transcription factor IIB / RNA polymerase II complex [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1R5U
- 20S proteasome [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1RYP
- RNA polymerase II-transcribing complex in the post-translocation state [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1SFO
- SV40 large tumor antigen [Simian virus 40 (virus)]: PDB:1SVM
- Group I self-splicing intron in complex with its exons [Homo sapiens (Human)]: PDB:1U6B
- Fungal galectin CGL2 [Coprinopsis cinerea (Inky cap fungus)]: PDB:1UL9
- SR (serine/arginine rich) protein kinase SRPK1 / peptide complex [Homo sapiens (human)]: PDB:1WBP
- Murine CAR nuclear receptor/inverse agonist androstenol complex [Mus musculus (house mouse)]: PDB:1XNX
- Phage twort group I ribozyme (self-splicing intron) complexed with it's product [Bacteriophage Twort (virus)]: PDB:1Y0Q
- Nuclear receptor mSF-1 LBD complexed with PG(ligand) [mouse]: PDB:1YMT
- Transcriptional activator GCN4/DNA complex [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1YSA
- Ligand-binding domain of human nuclear receptor liver receptor homolog 1 (hLRH-1) in complex with the NR box 1 motif of human SHP [Homo sapiens (human)]: PDB:1YUC
- Human Argonaute2 to form minimal RISC [Pyrococcus furiosus (archaea)]: PDB:1Z25
- The zinc finger (DNA binding site) of transcription factor Zif268/DNA complex [Mus musculus (house mouse)]: PDB:1ZAA
- DNA binding domain of human liver receptor homologue(hLRH-1 DBD) in Complex with dsDNA [Homo sapiens (human)]: PDB:2A66
- mRNA decapping enzyme Dcp2p [Schizosaccharomyces pombe]: PDB:2A6T
- Ca2+/calmodulin-dependent protein kinase-II (CaMKII) [Caenorhabditis elegans (nematode)]: PDB:2BDW
- DNA-dependent RNA polymerase / tagetitoxin complex [Thermus thermophilus (thermophile, bacteria)]: PDB:2BE5
- A Piwi domain (part of RNAi protein argonaut)/siRNA-like duplex complex [Archaeoglobus fulgidus]: PDB:2BGG
- Transcription-repair coupling factor [Escherichia coli]: PDB:2EYQ
- Dicer [Giardia intestinalis (flagellate)]: PDB:2FFL
- Transcription regulating factor CSL-Notch-Mastermind/DNA complex [Caenorhabditis elegans (nematode)]: PDB:2FO1
- Mitochondrial RNA binding protein (MRP1/MRP2) - guideRNA complex [Trypanosoma brucei (Africa sleeping sickness parasitic protozoa)]: PDB:2GJE
- H/ACA box RNP [Pyrococcus furiosus (archaea,thermophile)]: PDB:2HVY
- CIA-histone H3-H4 complex [Homo sapiens (human)]: PDB:2IO5
- Retinoic acid receptor-gamma / retinoic acid complex [Homo sapiens (human)]: PDB:2LBD
Translation (from RNA to protein)
- Chaperonin (GroEL-GroES) / ADP complex [Escherichia coli (bacteria)]: PDB:1AON
- Trp RNA-Binding Attenuation Protein/RNA complex [Bacillus stearothermophilus (bacteria)]: PDB:1C9S
- Ribosome recycling factor (RRF) [Thermotoga maritima (thermophile, bacteria)]: PDB:1DD5
- Eukaryotic protein Release Factor eRF1 [Homo sapiens (human)]: PDB:1DT9
- tRNA (phenylalanine) [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1EHZ
- Complex of (Arginyl-tRNA synthetase/tRNA/Arginine) [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1F7U
- CCA-adding enzyme [Archaeoglobus fulgidus (Archaea)]: PDB:1UET
- Tryptophanyl-tRNA synthetase (mini TrpRS) [Homo sapiens (human)]: PDB:1ULH
- Ribosomal chaperon trigger factor complexed with 50S ribosome [Escherichia coli (bacteria)]: PDB:1W26
- Archaeal Rrp4 Exosomes [Archaeoglobus fulgidus (archaea)]: PDB:2BA0
- RNase Z / tRNA(Thr) complex [Bacillus subtilis]: PDB:2FK6
- Thiamine pyrophosphate-specific riboswitch [Escherichia coli (bacteria)]: PDB:2GDI
- S-adenosylmethionine riboswitch [Thermoanaerobacter tengcongensis]: PDB:2GIS
Control of gene expression
- Trp RNA-Binding Attenuation Protein/RNA complex [Bacillus stearothermophilus (bacteria)]: PDB:1C9S
- Catabolite gene activator protein complex with DNA [Escherichia coli (bacteria)]: PDB:1CGP
- Met repressor-operator complex [Escherichia coli (bacteria)]: PDB:1CMA
- Ribonuclease A / ribonuclease inhibitor (RI) complex [Bos taurus]: PDB:1DFJ
- Androgen receptor [Homo sapiens (human)]: PDB:1E3G
- Bleomycin hydrolase Gal6 [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1GCB
- Oct4/Sox2/DNA complex [Mouse, Human]: PDB:1GT0
- lac repressor [Escherichia coli (bacteria)]: PDB:1LBI
- YibK methyltransferase (knot protein) complexed with an inhibitor (AdoHcy) [Haemophilus influenzae (bacteria)]: PDB:1MXI
- Transcription factor IIB / RNA polymerase II complex [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1R5U
- Tryptophan operon repressor/operator complex [Escherichia coli (bacteria)]: PDB:1TRO
- Argonaute (RNA interference protein) [Pyrococcus furiosus DSM 3638 (archaea, thermophile)]: PDB:1U04
- Trp RNA-Binding Attenuation Protein in Complex with L-Tryptophan [Bacillus subtilis]: PDB:1WAP
- Murine CAR nuclear receptor/inverse agonist androstenol complex [Mus musculus (house mouse)]: PDB:1XNX
- Nuclear receptor mSF-1 LBD complexed with PG(ligand) [mouse]: PDB:1YMT
- Ligand-binding domain of human nuclear receptor liver receptor homolog 1 (hLRH-1) in complex with the NR box 1 motif of human SHP [Homo sapiens (human)]: PDB:1YUC
- DNA binding domain of human liver receptor homologue(hLRH-1 DBD) in Complex with dsDNA [Homo sapiens (human)]: PDB:2A66
- mRNA decapping enzyme Dcp2p [Schizosaccharomyces pombe]: PDB:2A6T
- DNA-dependent RNA polymerase / tagetitoxin complex [Thermus thermophilus (thermophile, bacteria)]: PDB:2BE5
- A Piwi domain (part of RNAi protein argonaut)/siRNA-like duplex complex [Archaeoglobus fulgidus]: PDB:2BGG
- Ribonuclease inhibitor (RI) [Sus scrofa (pig)]: PDB:2BNH
- Lipoate protein ligase A (LplA) [Thermoplasma acidophilum (archaea,thermophile)]: PDB:2C8M
- Cbf5-Nop10-Gar1 complex (part of the pseudouridylation enzyme) [Pyrococcus furiosus (thermophile, archaea)]: PDB:2EY4
- RNase III (D44N) complexed with double-stranded RNA [Aquifex aeolicus (bacteria,thermophile)]: PDB:2EZ6
- BPTF PHD finger-linker-bromodomain bound to H3K4me3 [Homo sapiens (human)]: PDB:2F6J
- Dicer [Giardia intestinalis (flagellate)]: PDB:2FFL
- Transcription regulating factor CSL-Notch-Mastermind/DNA complex [Caenorhabditis elegans (nematode)]: PDB:2FO1
- Thiamine pyrophosphate-specific riboswitch [Escherichia coli (bacteria)]: PDB:2GDI
- S-adenosylmethionine riboswitch [Thermoanaerobacter tengcongensis]: PDB:2GIS
- Lysine-Specific Demethylase-1 [Homo sapiens (human)]: PDB:2H94
- CIA-histone H3-H4 complex [Homo sapiens (human)]: PDB:2IO5
- Exon Junction Complex [Human]: PDB:2J0S
- Retinoic acid receptor-gamma / retinoic acid complex [Homo sapiens (human)]: PDB:2LBD
- Trapped UBL activation complex [Human]: PDB:2NVU
- Inositol-requiring protein-1 [Yeast]: PDB:2RIO
Biomembrane and transport of small molecules
- KcsA Potassium channel [Streptomyces lividans (bacteria)]: PDB:1BL8
- Retinol binding protein [Homo sapiens (human)]: PDB:1BRP
- Calmodulin [Homo sapiens (human)]: PDB:1CLL
- Transferrin (iron transport protein) receptor (TfR) protein [Homo sapiens (human)]: PDB:1CX8
- Ferritin (iron transport protein) H-chain mutant (LYS 86 replaced by GLN) [Homo sapiens (human)]: PDB:1FHA
- Iron transport protein Serotransferrin (serum transferrin) [Sus scrofa (pig)]: PDB:1H76
- Sarcoplasmic/endoplasmic reticulum calcium ATPase 1 [Oryctolagus cuniculus (rabbit)]: PDB:1IWO
- human cardiac troponin in the Ca2+-saturated form [Homo sapiens (human)]: PDB:1J1D
- Aquaporin 1 water channel [Bos taurus (bovine)]: PDB:1J4N
- Ca-activated K+ channel [Methanothermobacter thermautotrophicus (archaea)]: PDB:1LNQ
- LDL receptor-binding domain of Apolipoprotein E3 [Homo sapiens (human)]: PDB:1LPE
- Myoglobin [Sperm whale]: PDB:1MBN
- Human LDL receptor (extracellular domain) [Homo sapiens (human)]: PDB:1N7D
- Acetylcholine Receptor [Torpedo californica]: PDB:1OED
- KvAP, a voltage-dependent K+ channel [Aeropyrum pernix (archaea)]: PDB:1ORQ
- Inward rectifier potassium channel KirBac1.1 [Burkholderia pseudomallei (bacteria)]: PDB:1P7B
- Phosphoporin [Escherichia coli (bacteria)]: PDB:1PHO
- Water channel aquaporin-0 [Ovis aries (sheep)]: PDB:1SOR
- ESCRT-II complex [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1U5T
- Serum albumin precursor [Homo sapiens (human)]: PDB:1UOR
- Mycobacterial membrane protein, main porin (MspA) [Mycobacterium smegmatis (bacteria)]: PDB:1UUN
- Calcium Pump with a bound ATP analogue [Oryctolagus cuniculus (rabbit)]: PDB:1VFP
- Bet3 in Golgi localization of tethering factor TRAPP [Mus musculus (house mouse)]: PDB:1WC8
- Glutamate transporter homolog [Pyrococcus horikoshii OT3 (archaea)]: PDB:1XFH
- Bacterial sensory rhodopsin [Anabaena sp. (cyanobacteria)]: PDB:1XIO
- N-terminal Domain of Nucleoporin Nup159 [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1XIP
- Oxidized alpha haemoglobin bound to alpha-haemoglobin-stabilizing protein (AHSP) [Homo sapiens (human)]: PDB:1Z8U
- Na(+)/H(+) antiporter [Escherichia coli (bacteria)]: PDB:1ZCD
- Potassium-channel KcsA [Streptomyces lividans (actinobacteria)]: PDB:1ZWI
- NaK channel [Bacillus cereus]: PDB:2AHY
- CorA Mg2+ transporter [Thermotoga maritima (bacteria, thermophile)]: PDB:2BBJ
- Periplasmic binding protein [Bordetella pertussis Tohama I (bacteria)]: PDB:2F5X
- Rab11/FIP2(RBD domain) complex [Human]: PDB:2GZD
- ABC transporters Sav1866 [S. aureus]: PDB:2HYD
- Mechanosensitive ion channel [Mycobacterium tuberculosis (bacteria)]: PDB:2OAR
- Outer membrane porin D2 (OprD) [Pseudomonas aeruginos]: PDB:2ODJ
- ABC transporter ModBC in complex with its binding protein ModA [Archaeoglobus fulgidus (archaea, thermophile)]: PDB:2ONK
- Acid sensing ion channel, ASIC1 [Chicken]: PDB:2QTS
- Paddle-chimaera K+ channel [Rat]: PDB:2R9R
- Outer membrane component of bacteria drug efflux pump, TolC [E.coli]: PDB:2VDD
- Sarcoplasmic reticulum calcium pump [Oryctolagus cuniculus (rabbit)]: PDB:2ZBD
Transport of proteins
- Clathrin heavy chain [Bos taurus (bovine)]: PDB:1B89
- DBL homology domain from beta-PIX [Homo sapiens (human)]: PDB:1BY1
- Ubiquitin ligase(E6AP)/ubiquitin-conjugating enzyme(UbcH7) complex [Homo sapiens (human)]: PDB:1C4Z
- Rhodopsin [Bos taurus (Bovine)]: PDB:1F88
- Multidrug efflux transporter AcrB [Escherichia coli (bacteria)]: PDB:1IWG
- Protein conducting channel secY/secG/secE complex [Methanococcus jannaschii (archaea)]: PDB:1RH5
- SRP/SRP receptor complex [Thermus aquaticus (bacteria)]: PDB:1RJ9
- Periplasmic chaperone Skp [Escherichia coli (bacteria)]: PDB:1SG2
- Long-chain fatty acid transporter (FadL) [Escherichia coli (bacteria)]: PDB:1T16
- Rab5 complex with Rabaptin5 C-terminal Domain [Homo sapiens (human)]: PDB:1TU3
- ESCRT-II complex [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1U5T
- Amphiphysin BAR domain [Drosophila melanogaster (fruit fly)]: PDB:1URU
- Glycolipid transfer protein GLTP [Bos taurus (bovine)]: PDB:1WBE
- Bet3 in Golgi localization of tethering factor TRAPP [Mus musculus (house mouse)]: PDB:1WC8
- Myosin V complexed with calmodulins [Gallus gallus (chicken)]: PDB:2DFS
- Transport vesicle coat protein, Sec13/31 complex [Yeast]: PDB:2PM7
- Sec13-Nup145C hetero-octamer [human (Sec13), yeast (Nup145C)]: PDB:3BG0
Intracellular vesicular traffic and protein sorting
- Complex of ADP-ribosylation factor 1 and ADP-ribosylation factor binding protein GGA1 [Mus musculus (house mouse)]: PDB:1J2J
- Myosin V complexed with calmodulins [Gallus gallus (chicken)]: PDB:2DFS
- Mitochondrial import receptor TOM70 [Saccharomyces cerevisiae (yeast)]: PDB:2GW1
- Sec13-Nup145C hetero-octamer [human (Sec13), yeast (Nup145C)]: PDB:3BG0
Mitochondria
- ATP synthase (F0 portion) [Escherichia coli (bacteria)]: PDB:1C17
- ATP synthase (F1 portion) [Bos taurus]: PDB:1E79
- Cytochrome C oxidase (before oxidized, with carbon monoxide) [Bos taurus]: PDB:1OCO
- Cytochrome c peroxidase [Saccharomyces cerevisiae (Baker's yeast)]: PDB:2CYP
- Mitochondrial import receptor TOM70 [Saccharomyces cerevisiae (yeast)]: PDB:2GW1
- Apoptosis regulator, Bcl-2 homologous antagonist/killer(BAK) [Human]: PDB:2IMS
- Cytochrome C oxidase (after oxidized, with peroxide ion) [Bos taurus]: PDB:2OCC
Chloroplast
- ATP synthase (F0 portion) [Escherichia coli (bacteria)]: PDB:1C17
- ATP synthase (F1 portion) [Bos taurus]: PDB:1E79
- Photosystem II [Synechococcus elongatus (cyanobacteria)]: PDB:1FE1
- Photosystem I P700 chlorophyll a apoprotein A1 [Synechococcus elongatus (cyanobacteria)]: PDB:1JB0
- Light harvesting protein B-800/850 [Rhodopseudomonas acidophila (phototrophic bacteria)]: PDB:1KZU
- Photosynthetic Reaction Center [Rhodopseudomonas viridis (phototrophic bacteria)]: PDB:1PRC
- light-harvesting complex of photosystem II (LHC-II) [Spinacia oleracea (Spinach) ]: PDB:1RWT
- Cyanobacterial photosystem II [Thermosynechococcus elongatus (cyanobacteria)]: PDB:1S5L
- Cytochrome b6f complex [Mastigocladus laminosus (cyanobacteria)]: PDB:1VF5
- DNA-dependent RNA polymerase / tagetitoxin complex [Thermus thermophilus (thermophile, bacteria)]: PDB:2BE5
Signal communication
- Protein kinase CheY/CheA complex (bacteria chemotaxis) [Escherichia coli (bacteria)]: PDB:1A0O
- Collagen like model peptide (T3-785 peptide) [Synthetic peptide (containing human type III collagen sequence)]: PDB:1BKV
- Androgen receptor [Homo sapiens (human)]: PDB:1E3G
- Mitogen-activated protein (MAP) kinase ERK2 [Rattus norvegicus (rat)]: PDB:1ERK
- Rhodopsin [Bos taurus (Bovine)]: PDB:1F88
- Cyclin A/cyclin-dependent kinase 2(CDK-2) complex [Homo sapiens (human)]: PDB:1FIN
- Cdc42 / Cdc42GAP complex [Homo sapiens (human)]: PDB:1GRN
- Interleukin-1 beta [Homo sapiens (human)]: PDB:1I1B
- Interleukin-1beta converting enzyme(ICE)/inhibitor peptide complex [Homo sapiens (human)]: PDB:1IBC
- Interleukin-18 [Homo sapiens (human)]: PDB:1J0S
- human cardiac troponin in the Ca2+-saturated form [Homo sapiens (human)]: PDB:1J1D
- Ubiquitin ligase complex [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1LDD
- Complex of acetylcholinesterase and fasciculin 2 [Mus musculus (house mouse) / Dendroaspis angusticeps (eastern green mamba)]: PDB:1MAH
- Nucleoside diphosphate (NDP) kinase [Dictyostelium discoideum (slime mold) P105G mutant]: PDB:1NCL
- Hemeoxygenase domain of cytokine-inducible nitric oxide syntase [Mouse]: PDB:1NOS
- Acetylcholine Receptor [Torpedo californica]: PDB:1OED
- KvAP, a voltage-dependent K+ channel [Aeropyrum pernix (archaea)]: PDB:1ORQ
- Phospholipase A2 [Homo sapiens (human)]: PDB:1POD
- Sialyltransferase CstII/CMP-NeuAc complex [Campylobacter jejuni (bacteria)]: PDB:1RO7
- Nerve growth factor in complex with its receptor, p75 [Homo sapiens (human)]: PDB:1SG1
- Rab5 complex with Rabaptin5 C-terminal Domain [Homo sapiens (human)]: PDB:1TU3
- Phosphodiesterase 5 [Homo sapiens (human)]: PDB:1UDT
- Fungal galectin CGL2 [Coprinopsis cinerea (Inky cap fungus)]: PDB:1UL9
- Adenylyl Cyclase in complex with alpha,beta-methylene-ATP [Spirulina platensis (cyanobacteria)]: PDB:1WC0
- Glutamate transporter homolog [Pyrococcus horikoshii OT3 (archaea)]: PDB:1XFH
- Human Placental Lactogen [Homo sapiens (human)]: PDB:1Z7C
- Bacterial homolog of Na+/Cl- dependent neurotransmitter transporters [Aquifex aeolicus (thermophile, bacteria) VF5]: PDB:2A65
- quorum-sensing protein SdiA [bacteria (E.coli)]: PDB:2AVX
- Rabex-5/ubiquitin complex [Homo sapiens (human)]: PDB:2C7N
- Urokinase plasminogen activator (uPA) complexed with it's soluble receptor (suPAR) and the antibody against the receptor (ATN615) [uPA,suPAR：Homo sapiens (human) / ATN615：Mus musculus (mouse)]: PDB:2FD6
- Complex of integrin B-subunit cytoplasmic domain and talin F3 domain [Gallus gallus domesticus(chicken)]: PDB:2H7E
- Protein phosphatase 2A (heterotrimeric holoenzyme) [Homo sapiens (human) ]: PDB:2IAE
- Protein Phosphatase 2A [Homo sapiens (human)]: PDB:2NPP
- Protein Phosphatase 2A with C-terminus truncated catalytic subunit [Homo sapiens (human)]: PDB:2NYM
- Protein kinase A [Mouse]: PDB:2QCS
- Salmonella effector protein SopA [Salmonella bacterium]: PDB:2QYU
- β2 adrenergic receptor [Human]: PDB:2RH1
- Toll-like receptor1 (TLR1)/TLR2/lipopeptide complex [Homo sapiens (human)]: PDB:2Z7X
- Growth hormon complexed with its receptor [Homo sapiens (human)]: PDB:3HHR
- Insulin [Sus scrofa (pig)]: PDB:4INS
Cytoskelton
- Bni1p Formin Homology 2 (FH2) Domain complexed with ATP-actin [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1Y64
- Apoptotic protease-activating factor 1 with ADP [Homo sapiens (human)]: PDB:1Z6T
- Ta0583, an archaeal actin homolog [Thermoplasma acidophilum (archaea,thermophile)]: PDB:2FSN
The cell cycle and programmed cell death
- Apoptosis-inducing ligand 2 (Apo2L,TRAIL)/death receptor 5 (DR5) complex [Homo sapiens (human)]: PDB:1D0G
- Cyclin A/cyclin-dependent kinase 2(CDK-2) complex [Homo sapiens (human)]: PDB:1FIN
- Interleukin-1 beta [Homo sapiens (human)]: PDB:1I1B
- Interleukin-1beta converting enzyme(ICE)/inhibitor peptide complex [Homo sapiens (human)]: PDB:1IBC
- Interleukin-18 [Homo sapiens (human)]: PDB:1J0S
- Apoptosis inhibitor BCL-XL [Homo sapiens (human)]: PDB:1MAZ
- C-H-RAS P21 protein catalytic domain (wild type) [Homo sapiens (human)]: PDB:1Q21
- 20S proteasome [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1RYP
- Integrin/cacodylate ion complex [Homo sapiens (human)]: PDB:1TYE
- Peutz-Jeghers cancer syndrome (PJS) related protein Mo25 Alpha in Complex with the C-Terminus of the Pseudo Kinase STE-20 Related Adaptor [Homo sapiens (human)]: PDB:1UPK
- Cholera toxin [Vibrio cholerae]: PDB:1XTC
- Telomere repeat-binding protein [Arabidopsis thaliana (thale cress)]: PDB:2AJE
- Protein phosphatase 2A (heterotrimeric holoenzyme) [Homo sapiens (human) ]: PDB:2IAE
- Apoptosis regulator, Bcl-2 homologous antagonist/killer(BAK) [Human]: PDB:2IMS
- Retinoic acid receptor-gamma / retinoic acid complex [Homo sapiens (human)]: PDB:2LBD
- Protein Phosphatase 2A [Homo sapiens (human)]: PDB:2NPP
- Protein Phosphatase 2A with C-terminus truncated catalytic subunit [Homo sapiens (human)]: PDB:2NYM
- TGF-β3 - TGF-β receptor complex [Human]: PDB:2PJY
- C-H-RAS P21 protein catalytic domain (oncogenic G12V) [Homo sapiens (human)]: PDB:2Q21
- Inositol-requiring protein-1 [Yeast]: PDB:2RIO
The cell division
- Mitogen-activated protein (MAP) kinase ERK2 [Rattus norvegicus (rat)]: PDB:1ERK
- Transcription factor c-Fos-c-Jun / DNA complex [Homo sapiens (Human)]: PDB:1FOS
- Bni1p Formin Homology 2 (FH2) Domain complexed with ATP-actin [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1Y64
- Epac, Guanine-nucleotide-exchange factor for GTP-binding protein Rap [Mus musculus (house mouse)]: PDB:2BYV
- Protein Phosphatase 2A [Homo sapiens (human)]: PDB:2NPP
- TGF-β3 - TGF-β receptor complex [Human]: PDB:2PJY
Cell junctions and cell adhesion
- Collagen like model peptide (T3-785 peptide) [Synthetic peptide (containing human type III collagen sequence)]: PDB:1BKV
- Axonin-1 (N-terminal domain) [Gallus gallus (chicken)]: PDB:1CS6
- E-cadherin [Mus musculus (house mouse)]: PDB:1EDH
- Neural-cadherin (N-cadherin) [Mus musculus (house mouse)]: PDB:1NCI
- Integrin/cacodylate ion complex [Homo sapiens (human)]: PDB:1TYE
- Fungal galectin CGL2 [Coprinopsis cinerea (Inky cap fungus)]: PDB:1UL9
- Glycolipid transfer protein GLTP [Bos taurus (bovine)]: PDB:1WBE
- Complex of integrin B-subunit cytoplasmic domain and talin F3 domain [Gallus gallus domesticus(chicken)]: PDB:2H7E
Germ cells and fertilization
Development of multicellular organisms
- Bone morphogenetic protein 2 (BMP2)/BRIA ectodomain complex [Homo sapiens (human)]: PDB:1ES7
- Oct4/Sox2/DNA complex [Mouse, Human]: PDB:1GT0
- Neural-cadherin (N-cadherin) [Mus musculus (house mouse)]: PDB:1NCI
- Nerve growth factor in complex with its receptor, p75 [Homo sapiens (human)]: PDB:1SG1
- Fungal galectin CGL2 [Coprinopsis cinerea (Inky cap fungus)]: PDB:1UL9
- Tryptophanyl-tRNA synthetase (mini TrpRS) [Homo sapiens (human)]: PDB:1ULH
- Amphiphysin BAR domain [Drosophila melanogaster (fruit fly)]: PDB:1URU
- Nuclear receptor mSF-1 LBD complexed with PG(ligand) [mouse]: PDB:1YMT
- Growth hormon complexed with its receptor [Homo sapiens (human)]: PDB:3HHR
- Gamma-B crystallin (eye lens components protein) [Bos taurus (Bovine)]: PDB:4GCR
Cancer
- Androgen receptor [Homo sapiens (human)]: PDB:1E3G
- E-cadherin [Mus musculus (house mouse)]: PDB:1EDH
- Mitogen-activated protein (MAP) kinase ERK2 [Rattus norvegicus (rat)]: PDB:1ERK
- Transcription factor c-Fos-c-Jun / DNA complex [Homo sapiens (Human)]: PDB:1FOS
- Bleomycin hydrolase Gal6 [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1GCB
- NAD(P)H:quinone oxidoreductase 1 [Homo sapiens (human)]: PDB:1GG5
- Heat shock protein HSP33 [Escherichia coli (bacteria)]: PDB:1HW7
- C-H-RAS P21 protein catalytic domain (wild type) [Homo sapiens (human)]: PDB:1Q21
- Interferon alpha 2B [Homo sapiens (human)]: PDB:1RH2
- SV40 large tumor antigen [Simian virus 40 (virus)]: PDB:1SVM
- Integrin/cacodylate ion complex [Homo sapiens (human)]: PDB:1TYE
- Fungal galectin CGL2 [Coprinopsis cinerea (Inky cap fungus)]: PDB:1UL9
- Tryptophanyl-tRNA synthetase (mini TrpRS) [Homo sapiens (human)]: PDB:1ULH
- Peutz-Jeghers cancer syndrome (PJS) related protein Mo25 Alpha in Complex with the C-Terminus of the Pseudo Kinase STE-20 Related Adaptor [Homo sapiens (human)]: PDB:1UPK
- Epac, Guanine-nucleotide-exchange factor for GTP-binding protein Rap [Mus musculus (house mouse)]: PDB:2BYV
- ZEBRA protein complexed with double strand DNA [Epstein-Barr virus (EBV, Human herpesvirus 4 (HHV-4))]: PDB:2C9L
- Urokinase plasminogen activator (uPA) complexed with it's soluble receptor (suPAR) and the antibody against the receptor (ATN615) [uPA,suPAR：Homo sapiens (human) / ATN615：Mus musculus (mouse)]: PDB:2FD6
- Nicotinamide phosphoribosyltransferase (NMPRTase) [Human]: PDB:2GVG
- Nicotinamide phosphoribosyltransferase (NMPRTase): Complex with FK866 [Human]: PDB:2GVJ
- Tie2 receptor ectodomain complexed with Ang2 [Human]: PDB:2GY7
- Protein phosphatase 2A (heterotrimeric holoenzyme) [Homo sapiens (human) ]: PDB:2IAE
- Retinoic acid receptor-gamma / retinoic acid complex [Homo sapiens (human)]: PDB:2LBD
- Protein Phosphatase 2A [Homo sapiens (human)]: PDB:2NPP
- Protein Phosphatase 2A with C-terminus truncated catalytic subunit [Homo sapiens (human)]: PDB:2NYM
- ABC transporter ModBC in complex with its binding protein ModA [Archaeoglobus fulgidus (archaea, thermophile)]: PDB:2ONK
- C-H-RAS P21 protein catalytic domain (oncogenic G12V) [Homo sapiens (human)]: PDB:2Q21
- Tyrosine-protein kinase c-Src/AMP-PNP complex [Homo sapiens (human)]: PDB:2SRC
- Cisplatin/DNA complex [N/A]: PDB:5BNA
Immune system, Blood
- Immunoglobulin M rheumatoid factor Fab complexed with IgG4 Fc [Homo sapiens (human)]: PDB:1ADQ
- Complex between T-cell receptor, viral peptide and HLA-A2 [Homo sapiens (human)]: PDB:1AO7
- COAGULATION FACTOR IX-BINDING PROTEIN A [Trimeresurus flavoviridis(habu snake)]: PDB:1BJ3
- Coagulation factor VIII precursor [Homo sapiens (human)]: PDB:1D7P
- ImmunoglobulinG1-kappa Fab D1.3 (light chain) [Mus musculus (house mouse)]: PDB:1FDL
- Catalytic antibody 1F7 (chorismate mutase activity) [Mus musculus (house mouse)]: PDB:1FIG
- Immunosuppressant drug (FK506) binding protein [Homo sapiens (human)]: PDB:1FKF
- Human leukocyte antigen B27 [Homo sapiens (human)]: PDB:1HSA
- Heat shock protein HSP33 [Escherichia coli (bacteria)]: PDB:1HW7
- Interleukin-1 beta [Homo sapiens (human)]: PDB:1I1B
- Interleukin-1beta converting enzyme(ICE)/inhibitor peptide complex [Homo sapiens (human)]: PDB:1IBC
- Immunoglobulin IgG2A [Mus musculus (house mouse)]: PDB:1IGT
- COAGULATION FACTOR X BINDING PROTEIN [Homo sapiens (human)]: PDB:1IOD
- Interleukin-18 [Homo sapiens (human)]: PDB:1J0S
- Camel single-domain VH antibody complexed with lysozyme [Camelus dromedarius (camel)]: PDB:1MEL
- Penicillin acylase [Escherichia coli (bacteria)]: PDB:1PNL
- Interferon alpha 2B [Homo sapiens (human)]: PDB:1RH2
- Sialyltransferase CstII/CMP-NeuAc complex [Campylobacter jejuni (bacteria)]: PDB:1RO7
- 20S proteasome [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1RYP
- Antimicrobial peptide, nisin, comoplexed with lipid II [Lactococcus lactis (lactic acid bacteria)]: PDB:1WCO
- gamma-delta T cell receptor in complex with MHC T22 [Mus musculus (house mouse)]: PDB:1YPZ
- Toll-like receptor 3 (TLR3) extracellular domain (ECD) [Homo sapiens (human)]: PDB:1ZIW
- Simian virus 5 V protien complexed with human DDB1 [Simian virus 5 / Homo sapiens (human)]: PDB:2B5L
- Pentapeptide repeat protein for resistance against quinolones, MfpA [Mycobacterium tuberculosis (bacteria)]: PDB:2BM4
- Filamin A complexed with integrin beta 7 tail fragment [Homo sapiens (human)]: PDB:2BRQ
- Urokinase plasminogen activator (uPA) complexed with it's soluble receptor (suPAR) and the antibody against the receptor (ATN615) [uPA,suPAR：Homo sapiens (human) / ATN615：Mus musculus (mouse)]: PDB:2FD6
- Protein Phosphatase 2A with C-terminus truncated catalytic subunit [Homo sapiens (human)]: PDB:2NYM
- Salmonella effector protein SopA [Salmonella bacterium]: PDB:2QYU
- Toll-like receptor1 (TLR1)/TLR2/lipopeptide complex [Homo sapiens (human)]: PDB:2Z7X
- Alpha-thrombin/hirudin complex [Homo sapiens (human)/Hirudo medicinalis (leech)]: PDB:4HTC
Pathogens and infection
- Hepatitis C virus NS3 protease [Hepatitis C virus(HCV)]: PDB:1A1R
- FOOT-AND-MOUTH DISEASE VIRUS [foot-and-mouth disease virus (FMDV)]: PDB:1BBT
- Verotoxin-1 [Escherichia coli (bacteria)]: PDB:1BOV
- SCAFFOLDING PROTEIN GPD [bacteriophage phiX174]: PDB:1CD3
- Major prion protein 1 precursor [Bos taurus (bovine)]: PDB:1DX0
- Botulinum neurotoxin type B [Clostridium botulinum (bacteria)]: PDB:1EPW
- Botulinum neurotoxin type B complex with sialyllactose [Clostridium botulinum (bacteria)]: PDB:1F31
- Botulinum neurotoxin type B complex with zinc ion and inhibitor (bis(5-amidino-2-benzimidazolyl)methane) [Clostridium botulinum (bacteria)]: PDB:1G9B
- ENVELOPE PROTEIN GP120 [Human Immunodeficiency Virus type 1]: PDB:1GC1
- INFLUENZA A SUBTYPE N2 NEURAMINIDASE [influenza virus]: PDB:1IVD
- anthrax lethal factor [Bacillus anthracis(anthrax)]: PDB:1J7N
- B-cell-activating factor (BAFF)/BAFF recepter (BAFF-R) complex [Homo sapiens (human)]: PDB:1OTZ
- Inward rectifier potassium channel KirBac1.1 [Burkholderia pseudomallei (bacteria)]: PDB:1P7B
- Major prion protein precursor [Homo sapiens (human)]: PDB:1QLX
- Interferon alpha 2B [Homo sapiens (human)]: PDB:1RH2
- VP4 spike-like protein of rotavirus [Rotavirus]: PDB:1SLQ
- SARS coronavirus main proteinase [Severe acute respiratory syndrome coronavirus(SARS-CoV)]: PDB:1UJ1
- Polysialic acid-degrading endosialidase [Bacteriophage K1F]: PDB:1V0E
- Vanadium-containing chloroperoxidase (CPO) [Curvularia inaequalis]: PDB:1VNC
- RNA packing motor protain [Pseudomonas phage PHI12]: PDB:1W44
- Archaeal toxin-antitoxin RelB-RelE complex [Pyrococcus horikoshii (archaea, thermophile)]: PDB:1WMI
- Cholera toxin [Vibrio cholerae]: PDB:1XTC
- Peptide segment GNNQQNY from Sup35 forming amyloid-like fibrils [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1YJP
- Peptideglycan L,D-transpeptidase [Enterococcus faecium]: PDB:1ZAT
- Aromatic prenyltransferase Orf2 [Streptomyces sp. strain CL190 (bacteria)]: PDB:1ZB6
- Hepatitis C virus replicase NS5A [Hepatitis C virus(HCV) ]: PDB:1ZH1
- Simian virus 5 V protien complexed with human DDB1 [Simian virus 5 / Homo sapiens (human)]: PDB:2B5L
- Pentapeptide repeat protein for resistance against quinolones, MfpA [Mycobacterium tuberculosis (bacteria)]: PDB:2BM4
- CmcI, cephamycin biosynthesis-related enzyme [Streptomyces clavuligerus]: PDB:2BR4
- ZEBRA protein complexed with double strand DNA [Epstein-Barr virus (EBV, Human herpesvirus 4 (HHV-4))]: PDB:2C9L
- SARS coronavirus ORF-9b protein [Human severe acute respiratory syndrome (SARS) virus]: PDB:2CME
- Lipase (LipA) / lipase chaperon (Lif) complex [Burkholderia glumae (bacteria)]: PDB:2ES4
- beta-secretase 2 (BACE2) [Homo sapiens (human)]: PDB:2EWY
- Periplasmic binding protein [Bordetella pertussis Tohama I (bacteria)]: PDB:2F5X
- Beta-2-microglobulin [Homo sapiens (human)]: PDB:2F8O
- Dicer [Giardia intestinalis (flagellate)]: PDB:2FFL
- Mitochondrial RNA binding protein (MRP1/MRP2) - guideRNA complex [Trypanosoma brucei (Africa sleeping sickness parasitic protozoa)]: PDB:2GJE
- NS2-3 protease [Hepatitis C virus(HCV)]: PDB:2HD0
- RNA ligase Rnl2 complexed with AMP [Bacteriophage T4 (virus)]: PDB:2HVQ
- Lysozyme [Gallus gallus (chicken)]: PDB:2LYZ
- HIV-1 enverope protein gp120/b12 complex [Human]: PDB:2NY7
- Tyrosine-protein kinase c-Src/AMP-PNP complex [Homo sapiens (human)]: PDB:2SRC
- Outer membrane component of bacteria drug efflux pump, TolC [E.coli]: PDB:2VDD
- Reverse transcriptase [Human Immunodeficiency Virus type 1]: PDB:3HVT
- Beta-lactamase [Bacillus licheniformis (bacteria)]: PDB:4BLM
- Human rhinovirus 14 coat protein [Human rhinovirus 14 (human common cold virus)]: PDB:4RHV
- HIV-1 PROTEASE [Human Immunodeficiency Virus type 1]: PDB:7HVP
Others
- Aldehyde ferredoxin oxidoreductase (AOR) [Pyrococcus furiosus (thermophile, archaea)]: PDB:1AOR
- Actin/DNase I complex [Oryctolagus cuniculus (European rabbit)]: PDB:1ATN
- Myosin heavy chain [Argopecten irradians (bay scallop)]: PDB:1B7T
- Restriction endonuclease BamHI/DNA complex [Bacillus amyloliquefaciens (bacteria)]: PDB:1BHM
- Dethiobiotin synthase [Escherichia coli (bacteria)]: PDB:1BYI
- Collagen-like peptide [Homo sapiens (human)?]: PDB:1CAG
- Cellulase CelC [Clostridium thermocellum (bacteria, thermophile)]: PDB:1CEO
- Prostaglandin H2 synthase-1 complex with flurbiprofen [Ovis aries (sheep)]: PDB:1CQE
- Crambin [Crambe abyssinica (Abyssinian cabbage)]: PDB:1CRN
- Alcohol dehydrogenase class IV sigma chain [Homo sapiens (human)]: PDB:1D1S
- D-amino acid aminotransferase [Thermophilic bacterium PS3]: PDB:1DAA
- Thiol:disulfide interchange protein DsbC [Escherichia coli (bacteria)]: PDB:1EEJ
- Green fluorescent protein [Aequorea victoria (jellyfish)]: PDB:1EMA
- Crustacyanin [Homarus gammarus (European lobster)]: PDB:1GKA
- Biphenyl-2,3-diol 1,2-dioxygenase [Burkholderia cepacia (bacteria)]: PDB:1HAN
- Lipase [Homo sapiens (human)]: PDB:1HLG
- Arginases I and nor-NOHA complex [Rattus norvegicus (rat)]: PDB:1HQH
- Hypothetical RNA 2'-O-ribose methyltransferase (RrmA) [Thermus thermophilus (bacteria)]: PDB:1IPA
- 5-methyluridine methyltransferase TrmA [Escherichia coli]: PDB:3BT7
- 3-isopropylmalate dehydrogenase [Thermus thermophilus (bacteria,thermophile)]: PDB:1IPD
- Trp-cage designed protein TC5b [N/A (synthetic)]: PDB:1L2Y
- Luciferase [Photinus pyralis (north american firefly)]: PDB:1LCI
- RNA hammerhead ribozyme [Mus musculus (house mouse)]: PDB:1MME
- Lysyl oxidase [Pichia pastoris]: PDB:1N9E
- Amidohydrolase Tm0936 [Thermotoga maritima]: PDB:1P1M
- Molting hormone receptor (EcR/USP) / steroidal ligand ponA complex [Heliothis virescens (noctuid moth)]: PDB:1R1K
- Flavoenzyme Ero1p [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1RP4
- Alpha-amylase [Homo sapiens (human)]: PDB:1SMD
- Superoxide dismutase [Homo sapiens (human)]: PDB:1SPD
- Triosephosphate isomerase [Gallus gallus (chicken)]: PDB:1TPH
- Trypsin [Homo sapiens (human)]: PDB:1TRN
- Artificial nucleotide-binding protein (ANBP) in a complex with bound ADP [N/A (synthetic)]: PDB:1UW1
- Lanosterol synthase [Homo sapiens (human)]: PDB:1W6J
- Pyruvate dehydrogenase complex [Geobacillus stearothermophilus (bacteria,thermophile)]: PDB:1W85
- Acetyl-coenzyme A carboxylase [Saccharomyces cerevisiae (Baker's yeast)]: PDB:1W93
- Antifreeze protein isoform hplc6 [Pseudopleuronectes americanus (winter flounder)]: PDB:1WFB
- Acetolactate synthase [Arabidopsis thaliana (thale cress, or mouse-ear cress)]: PDB:1YBH
- Type I restriction-modification enzyme, specificity subunit [Methanococcus jannaschii (archaea)]: PDB:1YF2
- 3-ketoacyl-coA thiolase 2 [Arabidopsis thaliana (mouse-ear cress)]: PDB:2C7Y
- insulin-degrading enzyme in complex with insulin B chain [Homo sapiens (human)]: PDB:2G54
- Cholesterol ester transfer protein [Human]: PDB:2OBD
- Glutamate decarboxylase 1(GAD) / cofactor PLP complexed [human]: PDB:2OKJ
- Ancestral corticoid receptor / aldosterone complex [unidentified]: PDB:2Q1H
- Nitrogenase molybdenum iron protein [Azotobacter vinelandii (aerobic nitrogen-fixing bacteria)]: PDB:3MIN
- Papain [Carica papaya (Papaya)]: PDB:9PAP
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