1dkz

THE SUBSTRATE BINDING DOMAIN OF DNAK IN COMPLEX WITH A SUBSTRATE PEPTIDE, DETERMINED FROM TYPE 1 NATIVE CRYSTALS

Method: X-RAY DIFFRACTION Dmax: 76.4 Å Quality: GOOD

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

SUBSTRATE BINDING DOMAIN OF DNAK

OrganismNot specified

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 heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 388–606 Not recorded SUBSTRATE PEPTIDE (7 RESIDUES) × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.00 Å R-free 0.274
2 Protein heterocomplex Heteromer Protein × 8 PDB declaration: octameric(8) Consistent with protein copy count Chain A; UniProt 388–606 Not recorded SUBSTRATE PEPTIDE (7 RESIDUES) × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 2.00 Å R-free 0.274

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 124 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 1–219; UniProt 388–606

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 1dkz

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1dkz
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1dkz
Deposition date deposition_date1996-06-03
Structure title titleTHE SUBSTRATE BINDING DOMAIN OF DNAK IN COMPLEX WITH A SUBSTRATE PEPTIDE, DETERMINED FROM TYPE 1 NATIVE CRYSTALS
Keywords keywordsDNAK, HEAT SHOCK PROTEIN 70 KDA (HSP70), COMPLEX (MOLECULAR CHAPERONE-PEPTIDE), COMPLEX (MOLECULAR CHAPERONE-PEPTIDE) complex; COMPLEX (MOLECULAR CHAPERONE/PEPTIDE)
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier21.21
Radius of gyration Rg (electron density) rg_electron20.69
Forward intensity I(0) i010556000.00
Molecular weight molecular_weight23387.0 kDa
Excluded volume excluded_volume29042 ų
Envelope volume envelope_volume36485 ų
Hydration-shell volume shell_volume15864 ų
Envelope diameter envelope_diameter81.5
Shell Rg shell_rg25.72
Envelope Rg envelope_rg21.01
Shape Rg shape_rg20.69
Total Rg total_rg21.45
Total atoms total_atoms1639
Residues n_residues222
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 dmax76.4
Rg (real space) rg_real21.34
Rg uncertainty (real space) rg_real_error0.83
I(0) (real space) i0_real1.0560e+07
I(0) uncertainty (real space) i0_real_error1.6410e+05
Rg (reciprocal space) rg_reciprocal21.32
I(0) (reciprocal space) i0_reciprocal10560000.0000
Solution quality estimate total_estimate0.7506
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary20.2
Skewness Skewness skewness0.487
Kurtosis Kurtosis kurtosis-0.138
Angular range angular_range— – 0.3750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2637000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.686; Stabil: 0.989; Sysdev: 1.000; Positv: 1.000; Valcen: 0.728; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1dkza1
Class classa — All alpha proteins
Fold Fold folda.8 — immunoglobulin/albumin-binding domain-like
Superfamily Superfamily superfamilya.8.4 — Heat shock protein 70kD (HSP70), C-terminal subdomain
Family Family familya.8.4.1 — Heat shock protein 70kD (HSP70), C-terminal subdomain
Domain ID domain_idd1dkza2
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

CATH v4.4 (2 domains)

Domain ID domain_id1dkzA01
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_id1dkzA02
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)