2bpr

NMR STRUCTURE OF THE SUBSTRATE BINDING DOMAIN OF DNAK, 25 STRUCTURES

Method: SOLUTION NMR Dmax: 61.2 Å Quality: GOOD

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

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 379–560 Fragment:SUBSTRATE BINDING DOMAIN No other associated polymer SOLUTION NMR NMR measurement conditions:pH 7;298 K;Ionic strength (raw mmCIF value) 50 mM INORGANIC PHOSPHATE;Pressure 1 NMR sample composition:H2O AND D2O Resolution not provided

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 125 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 10–191; UniProt 379–560

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 2bpr

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2bpr
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2bpr
Deposition date deposition_date1998-08-11
Structure title titleNMR STRUCTURE OF THE SUBSTRATE BINDING DOMAIN OF DNAK, 25 STRUCTURES
Keywords keywordsMOLECULAR CHAPERONE, HSP70, PEPTIDE BINDING, PROTEIN FOLDING; MOLECULAR CHAPERONE
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier16.81
Radius of gyration Rg (electron density) rg_electron16.57
Forward intensity I(0) i03354370000.00
Molecular weight molecular_weight472280.0 kDa
Excluded volume excluded_volume584070 ų
Envelope volume envelope_volume53549 ų
Hydration-shell volume shell_volume22144 ų
Envelope diameter envelope_diameter70.4
Shell Rg shell_rg26.98
Envelope Rg envelope_rg20.49
Shape Rg shape_rg16.55
Total Rg total_rg16.77
Total atoms total_atoms66400
Residues n_residues4325
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 dmax61.2
Rg (real space) rg_real16.76
Rg uncertainty (real space) rg_real_error0.43
I(0) (real space) i0_real3.3540e+09
I(0) uncertainty (real space) i0_real_error3.9230e+07
Rg (reciprocal space) rg_reciprocal16.77
I(0) (reciprocal space) i0_reciprocal3354000000.0000
Solution quality estimate total_estimate0.8446
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary59.6
Skewness Skewness skewness0.243
Kurtosis Kurtosis kurtosis-0.347
Angular range angular_range— – 0.4750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1396000.0000
Real-space data points n_real_points78
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.678; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.944; Smooth: 0.996

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2bpra1
Class classb — All beta proteins
Fold Fold foldb.130 — Heat shock protein 70kD (HSP70), peptide-binding domain
Superfamily Superfamily superfamilyb.130.1 — Heat shock protein 70kD (HSP70), peptide-binding domain
Family Family familyb.130.1.1 — Heat shock protein 70kD (HSP70), peptide-binding domain
Domain ID domain_idd2bpra2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id2bprA00
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

8. Citations (1)

9. Files and Curves (10)