+Open data
-Basic information
Entry | Database: PDB / ID: 2iae | |||||||||
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Title | Crystal structure of a protein phosphatase 2A (PP2A) holoenzyme. | |||||||||
Components |
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Keywords | HYDROLASE/HYDROLASE INHIBITOR / Protein phosphorylation / phosphatase / PP2A / B56 / tumor suppressor / methylation / HYDROLASE / TOXIN / HYDROLASE-HYDROLASE INHIBITOR complex | |||||||||
Function / homology | Function and homology information Inhibition of replication initiation of damaged DNA by RB1/E2F1 / ERKs are inactivated / Initiation of Nuclear Envelope (NE) Reformation / Cyclin A/B1/B2 associated events during G2/M transition / CTLA4 inhibitory signaling / Beta-catenin phosphorylation cascade / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / Disassembly of the destruction complex and recruitment of AXIN to the membrane / Negative regulation of MAPK pathway / Spry regulation of FGF signaling ...Inhibition of replication initiation of damaged DNA by RB1/E2F1 / ERKs are inactivated / Initiation of Nuclear Envelope (NE) Reformation / Cyclin A/B1/B2 associated events during G2/M transition / CTLA4 inhibitory signaling / Beta-catenin phosphorylation cascade / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / Disassembly of the destruction complex and recruitment of AXIN to the membrane / Negative regulation of MAPK pathway / Spry regulation of FGF signaling / Regulation of TP53 Degradation / meiotic spindle elongation / RAF activation / Integration of energy metabolism / PP2A-mediated dephosphorylation of key metabolic factors / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / Cyclin D associated events in G1 / regulation of microtubule binding / PKR-mediated signaling / MASTL Facilitates Mitotic Progression / mitotic sister chromatid separation / regulation of meiotic cell cycle process involved in oocyte maturation / Degradation of beta-catenin by the destruction complex / Mitotic Prometaphase / EML4 and NUDC in mitotic spindle formation / Resolution of Sister Chromatid Cohesion / protein phosphatase type 2A complex / meiotic sister chromatid cohesion, centromeric / DARPP-32 events / peptidyl-serine dephosphorylation / RHO GTPases Activate Formins / peptidyl-threonine dephosphorylation / Separation of Sister Chromatids / positive regulation of microtubule binding / Platelet sensitization by LDL / Regulation of glycolysis by fructose 2,6-bisphosphate metabolism / Inhibition of replication initiation of damaged DNA by RB1/E2F1 / Loss of Nlp from mitotic centrosomes / Recruitment of mitotic centrosome proteins and complexes / Loss of proteins required for interphase microtubule organization from the centrosome / ERK/MAPK targets / Recruitment of NuMA to mitotic centrosomes / Anchoring of the basal body to the plasma membrane / female meiotic nuclear division / protein antigen binding / AURKA Activation by TPX2 / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / protein phosphatase regulator activity / GABA receptor binding / Regulation of PLK1 Activity at G2/M Transition / negative regulation of epithelial to mesenchymal transition / APC truncation mutants have impaired AXIN binding / AXIN missense mutants destabilize the destruction complex / Truncations of AMER1 destabilize the destruction complex / Initiation of Nuclear Envelope (NE) Reformation / ERKs are inactivated / positive regulation of extrinsic apoptotic signaling pathway in absence of ligand / Beta-catenin phosphorylation cascade / Signaling by GSK3beta mutants / CTNNB1 S33 mutants aren't phosphorylated / CTNNB1 S37 mutants aren't phosphorylated / CTNNB1 S45 mutants aren't phosphorylated / CTNNB1 T41 mutants aren't phosphorylated / regulation of growth / Disassembly of the destruction complex and recruitment of AXIN to the membrane / negative regulation of glycolytic process through fructose-6-phosphate / positive regulation of NLRP3 inflammasome complex assembly / myosin phosphatase activity / CTLA4 inhibitory signaling / protein serine/threonine phosphatase activity / Platelet sensitization by LDL / protein-serine/threonine phosphatase / regulation of cell differentiation / ERK/MAPK targets / protein phosphatase activator activity / T cell homeostasis / regulation of G1/S transition of mitotic cell cycle / phosphoprotein phosphatase activity / mesoderm development / chromosome, centromeric region / DARPP-32 events / lateral plasma membrane / negative regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / intrinsic apoptotic signaling pathway in response to DNA damage by p53 class mediator / Nonsense Mediated Decay (NMD) enhanced by the Exon Junction Complex (EJC) / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / Cyclin A/B1/B2 associated events during G2/M transition / DNA damage response, signal transduction by p53 class mediator resulting in cell cycle arrest / Mitotic Prometaphase / EML4 and NUDC in mitotic spindle formation / Resolution of Sister Chromatid Cohesion / protein dephosphorylation / meiotic cell cycle / protein tyrosine phosphatase activity / chromosome segregation / RHO GTPases Activate Formins / response to lead ion / regulation of protein phosphorylation / Spry regulation of FGF signaling / RAF activation Similarity search - Function | |||||||||
Biological species | Mus musculus (house mouse) Homo sapiens (human) Microcystis aeruginosa (bacteria) | |||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 3.5 Å | |||||||||
Authors | Cho, U.S. / Xu, W. | |||||||||
Citation | Journal: Nature / Year: 2007 Title: Crystal structure of a protein phosphatase 2A heterotrimeric holoenzyme. Authors: Cho, U.S. / Xu, W. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 2iae.cif.gz | 499 KB | Display | PDBx/mmCIF format |
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PDB format | pdb2iae.ent.gz | 399.2 KB | Display | PDB format |
PDBx/mmJSON format | 2iae.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ia/2iae ftp://data.pdbj.org/pub/pdb/validation_reports/ia/2iae | HTTPS FTP |
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-Related structure data
Related structure data | |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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2 |
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Unit cell |
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Details | The biological assembly is a heterotrimer from one A subunit, one B subunit, and one C subunit. There are two heterotrimers in one asymmetric unit. each heterotrimer has one microcystin-LR, PP2A inhibitor. |
-Components
#1: Protein | Mass: 65392.367 Da / Num. of mol.: 2 / Fragment: Aalpha subunit Source method: isolated from a genetically manipulated source Source: (gene. exp.) Mus musculus (house mouse) / Gene: Ppp2r1a / Plasmid: pGEX4T1 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 star References: UniProt: Q76MZ3, protein-serine/threonine phosphatase #2: Protein | Mass: 48186.934 Da / Num. of mol.: 2 / Fragment: B56gamma1 subunit, residues 30-436 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: PPP2R5C, KIAA0044 / Plasmid: pGEX4T1 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 star References: UniProt: Q13362, protein-serine/threonine phosphatase #3: Protein | Mass: 35649.195 Da / Num. of mol.: 2 / Fragment: Calpha subunit / Mutation: D88N Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: PPP2CA / Production host: Trichoplusia ni (cabbage looper) References: UniProt: P67775, protein-serine/threonine phosphatase #4: Protein/peptide | #5: Chemical | ChemComp-MN / |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 5.19 Å3/Da / Density % sol: 76.31 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7 Details: 0.1M MES, pH 7.0, 50mM NaCl, 1.4M ammonium sulfate, 0.2M LiCl, 2% 1,6-diaminohexane, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
-Data collection
Diffraction | Mean temperature: 100 K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: SYNCHROTRON / Site: ALS / Beamline: 5.0.2 / Wavelength: 0.9793 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Jun 3, 2006 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Monochromator: Double-crystal, Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.9793 Å / Relative weight: 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Redundancy: 8.5 % / Av σ(I) over netI: 5.9 / Number: 554144 / Rmerge(I) obs: 0.161 / Χ2: 1.4 / D res high: 3.7 Å / D res low: 50 Å / Num. obs: 65390 / % possible obs: 98.8 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Diffraction reflection shell |
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Reflection | Resolution: 3.5→50 Å / Num. obs: 76332 / % possible obs: 97.5 % / Redundancy: 4.4 % / Rmerge(I) obs: 0.118 / Net I/σ(I): 7.5 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell |
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-Phasing
Phasing | Method: SAD | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Phasing dm | Method: Solvent flattening and Histogram matching / Reflection: 76221 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Phasing dm shell |
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-Processing
Software |
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Refinement | Method to determine structure: SAD / Resolution: 3.5→20 Å / Cor.coef. Fo:Fc: 0.897 / Cor.coef. Fo:Fc free: 0.854 / SU B: 59.364 / SU ML: 0.455 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / ESU R Free: 0.597 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 108.538 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 3.5→20 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 3.5→3.588 Å / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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