4b9q

Open conformation of ATP-bound Hsp70 homolog DnaK

Method: X-RAY DIFFRACTION Dmax: 190.2 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

CHAPERONE PROTEIN DNAK

ESCHERICHIA COLI

UniProt P0A6Y8

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–605 Mutation:YES Non-standard monomer:Yes (specific site not provided by mmCIF) ATP ADENOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.6;291 K;28% PEG4000, 5% GLYCEROL, 0.1 M AMMONIUM ACETATE, 0.085 M SODIUM CITRATE PH 5.6, 5 MM ATP, 10 MM MGCL2, 291 K Resolution 2.40 Å R-free 0.239
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–605 Mutation:YES Non-standard monomer:Yes (specific site not provided by mmCIF) ATP ADENOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.6;291 K;28% PEG4000, 5% GLYCEROL, 0.1 M AMMONIUM ACETATE, 0.085 M SODIUM CITRATE PH 5.6, 5 MM ATP, 10 MM MGCL2, 291 K Resolution 2.40 Å R-free 0.239
3 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain C; UniProt 1–605 Mutation:YES Non-standard monomer:Yes (specific site not provided by mmCIF) ATP ADENOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.6;291 K;28% PEG4000, 5% GLYCEROL, 0.1 M AMMONIUM ACETATE, 0.085 M SODIUM CITRATE PH 5.6, 5 MM ATP, 10 MM MGCL2, 291 K Resolution 2.40 Å R-free 0.239
4 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain D; UniProt 1–605 Mutation:YES Non-standard monomer:Yes (specific site not provided by mmCIF) ATP ADENOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.6;291 K;28% PEG4000, 5% GLYCEROL, 0.1 M AMMONIUM ACETATE, 0.085 M SODIUM CITRATE PH 5.6, 5 MM ATP, 10 MM MGCL2, 291 K Resolution 2.40 Å R-free 0.239

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

52 other PDB entries and 122 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DNAK_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–605; UniProt 1–605 Author chain B; PDBConstruct 1–605; UniProt 1–605 Author chain C; PDBConstruct 1–605; UniProt 1–605 Author chain D; PDBConstruct 1–605; UniProt 1–605

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 4b9q

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4b9q
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4b9q
Deposition date deposition_date2012-09-06
Structure title titleOpen conformation of ATP-bound Hsp70 homolog DnaK
Keywords keywordsCHAPERONE; CHAPERONE
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier57.70
Radius of gyration Rg (electron density) rg_electron58.07
Forward intensity I(0) i01075820000.00
Molecular weight molecular_weight263140.0 kDa
Excluded volume excluded_volume324500 ų
Envelope volume envelope_volume494030 ų
Hydration-shell volume shell_volume73040 ų
Envelope diameter envelope_diameter205.3
Shell Rg shell_rg57.25
Envelope Rg envelope_rg56.90
Shape Rg shape_rg58.05
Total Rg total_rg58.10
Total atoms total_atoms18246
Residues n_residues2332
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax190.2
Rg (real space) rg_real58.20
Rg uncertainty (real space) rg_real_error1.99
I(0) (real space) i0_real1.0760e+09
I(0) uncertainty (real space) i0_real_error2.0950e+07
Rg (reciprocal space) rg_reciprocal57.23
I(0) (reciprocal space) i0_reciprocal1074000000.0000
Solution quality estimate total_estimate0.7858
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary42.3
Skewness Skewness skewness0.449
Kurtosis Kurtosis kurtosis-0.594
Angular range angular_range— – 0.1350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha96350000.0000
Real-space data points n_real_points28
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.767; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.784; Smooth: 0.127

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 20 domains

CATH v4.4 (20 domains)

Domain ID domain_id4b9qA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id4b9qA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id4b9qA03
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily10 — ATPase, substrate binding domain, subdomain 4
Domain ID domain_id4b9qA04
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology34 — Substrate Binding Domain Of DNAk; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Substrate Binding Domain Of DNAk; Chain A, domain 1
Domain ID domain_id4b9qA05
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1270 — Substrate Binding Domain Of Dnak; Chain:A; Domain 2
Homologous superfamily homologous superfamily10
Domain ID domain_id4b9qB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id4b9qB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id4b9qB03
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily10 — ATPase, substrate binding domain, subdomain 4
Domain ID domain_id4b9qB04
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology34 — Substrate Binding Domain Of DNAk; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Substrate Binding Domain Of DNAk; Chain A, domain 1
Domain ID domain_id4b9qB05
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1270 — Substrate Binding Domain Of Dnak; Chain:A; Domain 2
Homologous superfamily homologous superfamily10
Domain ID domain_id4b9qC01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id4b9qC02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id4b9qC03
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily10 — ATPase, substrate binding domain, subdomain 4
Domain ID domain_id4b9qC04
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology34 — Substrate Binding Domain Of DNAk; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Substrate Binding Domain Of DNAk; Chain A, domain 1
Domain ID domain_id4b9qC05
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1270 — Substrate Binding Domain Of Dnak; Chain:A; Domain 2
Homologous superfamily homologous superfamily10
Domain ID domain_id4b9qD01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id4b9qD02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily40 — ATPase, nucleotide binding domain
Domain ID domain_id4b9qD03
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology640 — Actin; Chain A, domain 4
Homologous superfamily homologous superfamily10 — ATPase, substrate binding domain, subdomain 4
Domain ID domain_id4b9qD04
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology34 — Substrate Binding Domain Of DNAk; Chain A, domain 1
Homologous superfamily homologous superfamily10 — Substrate Binding Domain Of DNAk; Chain A, domain 1
Domain ID domain_id4b9qD05
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1270 — Substrate Binding Domain Of Dnak; Chain:A; Domain 2
Homologous superfamily homologous superfamily10

8. Citations (1)

9. Files and Curves (10)