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- PDB-5btg: Crystal structure of a topoisomerase II complex -

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Basic information

Entry
Database: PDB / ID: 5btg
TitleCrystal structure of a topoisomerase II complex
Components
  • (DNA gyrase subunit ...) x 2
  • (DNA substrate 24-mer ...) x 2
KeywordsIsomerase/DNA / protein-DNA complex / topoisomerase II / Isomerase-DNA complex
Function / homology
Function and homology information


DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) complex / DNA negative supercoiling activity / DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity / DNA topoisomerase (ATP-hydrolysing) / DNA topological change / peptidoglycan-based cell wall / DNA-templated DNA replication / chromosome / response to antibiotic / magnesium ion binding ...DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) complex / DNA negative supercoiling activity / DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity / DNA topoisomerase (ATP-hydrolysing) / DNA topological change / peptidoglycan-based cell wall / DNA-templated DNA replication / chromosome / response to antibiotic / magnesium ion binding / ATP hydrolysis activity / DNA binding / ATP binding / plasma membrane / cytoplasm
Similarity search - Function
Rossmann fold - #670 / DNA gyrase, subunit A / DNA gyrase/topoisomerase IV, subunit A, C-terminal repeat / DNA gyrase/topoisomerase IV, subunit A, C-terminal / DNA gyrase C-terminal domain, beta-propeller / Topoisomerase (Topo) IIA-type catalytic domain profile. / DNA gyrase subunit B, TOPRIM domain / DNA gyrase, subunit B / DNA topoisomerase, type IIA, subunit B / DNA topoisomerase, type IIA, alpha-helical domain superfamily ...Rossmann fold - #670 / DNA gyrase, subunit A / DNA gyrase/topoisomerase IV, subunit A, C-terminal repeat / DNA gyrase/topoisomerase IV, subunit A, C-terminal / DNA gyrase C-terminal domain, beta-propeller / Topoisomerase (Topo) IIA-type catalytic domain profile. / DNA gyrase subunit B, TOPRIM domain / DNA gyrase, subunit B / DNA topoisomerase, type IIA, subunit B / DNA topoisomerase, type IIA, alpha-helical domain superfamily / DNA topoisomerase, type IIA, domain A / DNA topoisomerase, type IIA, domain A, alpha-beta / DNA gyrase/topoisomerase IV, subunit A / DNA Topoisomerase IV / DNA gyrase B subunit, C-terminal / DNA gyrase B subunit, carboxyl terminus / DNA topoisomerase, type IIA, subunit B, domain 2 / DNA gyrase B / DNA topoisomerase, type IIA / DNA topoisomerase, type IIA, conserved site / DNA topoisomerase II signature. / TopoisomeraseII / DNA topoisomerase, type IIA, subunit B, C-terminal / Toprim domain / DNA topoisomerase, type IIA-like domain superfamily / Toprim domain profile. / TOPRIM domain / Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase / Histidine kinase-like ATPases / Histidine kinase/HSP90-like ATPase / Histidine kinase/HSP90-like ATPase superfamily / EF-hand calcium-binding domain. / Ribosomal protein S5 domain 2-type fold, subgroup / Ribosomal protein S5 domain 2-type fold / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Chem-LFX / DNA / DNA (> 10) / DNA gyrase subunit B / DNA gyrase subunit A
Similarity search - Component
Biological speciesMycobacterium tuberculosis (bacteria)
synthetic construct (others)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.5 Å
AuthorsBlower, T.R. / Williamson, B.H. / Kerns, R.J. / Berger, J.M.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Cancer Institute (NIH/NCI)R01-CA077373 United States
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2016
Title: Crystal structure and stability of gyrase-fluoroquinolone cleaved complexes from Mycobacterium tuberculosis.
Authors: Blower, T.R. / Williamson, B.H. / Kerns, R.J. / Berger, J.M.
History
DepositionJun 3, 2015Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 2, 2016Provider: repository / Type: Initial release
Revision 1.1Sep 20, 2017Group: Author supporting evidence / Database references / Derived calculations
Category: citation / pdbx_audit_support / pdbx_struct_oper_list
Item: _citation.journal_id_CSD / _pdbx_audit_support.funding_organization / _pdbx_struct_oper_list.symmetry_operation
Revision 1.2Dec 4, 2019Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.3Sep 27, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / diffrn_radiation_wavelength / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id
Revision 1.4Nov 15, 2023Group: Data collection / Category: chem_comp_atom / chem_comp_bond / Item: _chem_comp_atom.atom_id / _chem_comp_bond.atom_id_2

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DNA gyrase subunit A
B: DNA gyrase subunit B
C: DNA gyrase subunit A
D: DNA gyrase subunit B
E: DNA substrate 24-mer GGTCATGAATGACTATGCACGTAA
F: DNA substrate 24-mer TTACGTGCATAGTCATTCATGACC
G: DNA substrate 24-mer TTACGTGCATAGTCATTCATGACC
H: DNA substrate 24-mer GGTCATGAATGACTATGCACGTAA
hetero molecules


Theoretical massNumber of molelcules
Total (without water)199,25914
Polymers198,4398
Non-polymers8206
Water3,405189
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)108.094, 82.989, 129.101
Angle α, β, γ (deg.)90.000, 108.760, 90.000
Int Tables number4
Space group name H-MP1211
DetailsThe double-stranded DNAs are superposed copies of each other, overlaid in opposite orientations (because directionality could not be resolved). Therefore in reality, rather than in the model, the biological assembly would in fact be hexameric - four proteins and one double-stranded DNA.

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Components

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DNA gyrase subunit ... , 2 types, 4 molecules ACBD

#1: Protein DNA gyrase subunit A /


Mass: 56209.422 Da / Num. of mol.: 2 / Fragment: GyrA 2-500 with IGSG C-terminal tag
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / Gene: gyrA, Rv0006, MTCY10H4.04 / Plasmid: pET-28b / Production host: Escherichia coli (E. coli) / Strain (production host): Rosetta 2 pLysS / References: UniProt: P9WG47, EC: 5.99.1.3
#2: Protein DNA gyrase subunit B /


Mass: 28272.412 Da / Num. of mol.: 2 / Fragment: GyrB 426-675 with N-terminal SNA tag
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / Gene: gyrB, Rv0005, MTCY10H4.03 / Plasmid: pET-28b / Production host: Escherichia coli (E. coli) / Strain (production host): Rosetta 2 pLysS / References: UniProt: P9WG45, EC: 5.99.1.3

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DNA substrate 24-mer ... , 2 types, 4 molecules EHFG

#3: DNA chain DNA substrate 24-mer GGTCATGAATGACTATGCACGTAA


Mass: 7417.816 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) synthetic construct (others) / Production host: synthetic construct (others)
#4: DNA chain DNA substrate 24-mer TTACGTGCATAGTCATTCATGACC


Mass: 7319.739 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) synthetic construct (others) / Production host: synthetic construct (others)

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Non-polymers , 3 types, 195 molecules

#5: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg
#6: Chemical ChemComp-LFX / (3S)-9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid / Levofloxacin / Levofloxacin


Mass: 361.368 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C18H20FN3O4 / Comment: medication, antibiotic*YM
#7: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 189 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.76 Å3/Da / Density % sol: 55.48 %
Crystal growTemperature: 294 K / Method: vapor diffusion, hanging drop
Details: 100 mM Tris-HCl, 13-15% PEG 4000, 200 mM MgCl2, 6.25% PEG 400
PH range: 7.0 to 8.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 23-ID-B / Wavelength: 1.033 Å
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Dec 7, 2014
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.033 Å / Relative weight: 1
ReflectionResolution: 2.5→46.33 Å / Num. all: 283502 / Num. obs: 283502 / % possible obs: 99.7 % / Redundancy: 3.8 % / Biso Wilson estimate: 40.67 Å2 / Rmerge F obs: 0.987 / Rmerge(I) obs: 0.1391 / Rrim(I) all: 0.162 / Χ2: 1.009 / Net I/σ(I): 8.93 / Num. measured all: 283517
Reflection shell

Diffraction-ID: 1 / Rejects: 0

Resolution (Å)Highest resolution (Å)Rmerge F obsMean I/σ(I) obsNum. measured obsNum. possibleNum. unique obsRrim(I) all% possible allRmerge(I) obs
2.5-2.5890.3341.372028310944106011.36499.57
2.56-2.630.4341.162050510593105071.09499.20.792
2.63-2.710.5281.441996810298102240.88999.30.644
2.71-2.790.5891.641959210090100210.77799.30.562
2.79-2.890.7222.1618929973996620.5799.20.413
2.89-2.990.7982.5418124934192610.48799.10.352
2.99-3.10.8683.217746914190590.37799.10.273
3.1-3.230.9093.9816849868585870.30198.90.218
3.23-3.370.9525.316199835982500.21798.70.157
3.37-3.530.9646.6515359798078230.172980.124
3.53-3.730.9798.3314660763874570.13297.60.095
3.73-3.950.9841013828723070460.10797.50.078
3.95-4.220.98811.6212849672765280.09970.065
4.22-4.560.99213.2312029631361170.07396.90.052
4.56-50.99314.0411070579856140.06896.80.049
5-5.590.9912.8910061523050950.07697.40.055
5.59-6.450.99112.439031464545670.07698.30.054
6.45-7.90.99315.287495385837880.05998.20.043
7.9-11.180.99720.415789302329330.04970.028
11.180.99722.063151166816110.03696.60.026

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Processing

Software
NameVersionClassification
PHENIXrefinement
XSCALEdata scaling
PDB_EXTRACT3.15data extraction
Cootmodel building
PHASERphasing
XDSdata reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5BS8

5bs8


Resolution: 2.5→46.325 Å / SU ML: 0.37 / Cross valid method: FREE R-VALUE / σ(F): 1 / Phase error: 27.67 / Stereochemistry target values: ML
RfactorNum. reflection% reflectionSelection details
Rfree0.2491 7265 5.02 %Random selection
Rwork0.2256 137438 --
obs0.2268 144703 98.45 %-
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 255.2 Å2 / Biso mean: 65.8645 Å2 / Biso min: 14 Å2
Refinement stepCycle: final / Resolution: 2.5→46.325 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms11538 1640 94 189 13461
Biso mean--39.45 43.71 -
Num. residues----1550
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00413646
X-RAY DIFFRACTIONf_angle_d0.68918757
X-RAY DIFFRACTIONf_chiral_restr0.0292114
X-RAY DIFFRACTIONf_plane_restr0.0032179
X-RAY DIFFRACTIONf_dihedral_angle_d15.8165301
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 30

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
2.5-2.52840.34242100.34934591480197
2.5284-2.55820.4042220.35354566478899
2.5582-2.58940.35762440.34454585482999
2.5894-2.62210.35452990.335646094908100
2.6221-2.65660.36682430.32124636487999
2.6566-2.6930.35082100.32144702491299
2.693-2.73150.32572270.31534602482999
2.7315-2.77230.32022100.31234693490399
2.7723-2.81560.3352350.30844517475299
2.8156-2.86170.27522720.28574685495799
2.8617-2.91110.32742600.30294568482899
2.9111-2.9640.31822810.28934662494399
2.964-3.0210.30372130.28444557477099
3.021-3.08260.28012610.2744674493599
3.0826-3.14970.29592700.27334539480999
3.1497-3.22290.26132550.27244589484499
3.2229-3.30350.29892270.25224618484599
3.3035-3.39280.28382420.24984622486499
3.3928-3.49260.27162380.23024588482698
3.4926-3.60530.26932580.21794508476698
3.6053-3.73410.23071970.20464550474798
3.7341-3.88350.18962490.19384531478098
3.8835-4.06020.23412530.19074503475697
4.0602-4.27410.18872510.17154501475297
4.2741-4.54160.18592760.164482475897
4.5416-4.8920.17882430.16644511475497
4.892-5.38360.22222190.17264550476997
5.3836-6.16110.24132220.19254600482299
6.1611-7.75640.2072350.18684587482298
7.7564-46.33260.18022430.16664512475597

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