1dkd

CRYSTAL STRUCTURE OF A GROEL (APICAL DOMAIN) AND A DODECAMERIC PEPTIDE COMPLEX

Method: X-RAY DIFFRACTION Dmax: 100.6 Å Quality: GOOD

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

GROEL

Escherichia coli

UniProt P0A6F5

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 191–336 Fragment:APICAL DOMAIN 12-MER PEPTIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;291 K;PEG4K, MgCl2, TrisCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 18K Resolution 2.10 Å R-free 0.264
2 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 191–336 Fragment:APICAL DOMAIN 12-MER PEPTIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;291 K;PEG4K, MgCl2, TrisCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 18K Resolution 2.10 Å R-free 0.264
3 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain C; UniProt 191–336 Fragment:APICAL DOMAIN 12-MER PEPTIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;291 K;PEG4K, MgCl2, TrisCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 18K Resolution 2.10 Å R-free 0.264
4 Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 191–336 Fragment:APICAL DOMAIN 12-MER PEPTIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;291 K;PEG4K, MgCl2, TrisCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 18K Resolution 2.10 Å R-free 0.264
5 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 191–336 Chain C; UniProt 191–336 Fragment:APICAL DOMAIN 12-MER PEPTIDE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;291 K;PEG4K, MgCl2, TrisCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 18K Resolution 2.10 Å R-free 0.264
6 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 191–336 Chain D; UniProt 191–336 Fragment:APICAL DOMAIN 12-MER PEPTIDE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8;291 K;PEG4K, MgCl2, TrisCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 18K Resolution 2.10 Å R-free 0.264

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.

81 other PDB entries and 90 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CH60_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–146; UniProt 191–336 Author chain B; PDBConstruct 1–146; UniProt 191–336 Author chain C; PDBConstruct 1–146; UniProt 191–336 Author chain D; PDBConstruct 1–146; UniProt 191–336

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 1dkd

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1dkd
Deposition date deposition_date1999-12-07
Structure title titleCRYSTAL STRUCTURE OF A GROEL (APICAL DOMAIN) AND A DODECAMERIC PEPTIDE COMPLEX
Keywords keywords;MOLECULAR CHAPERON, HSP60, PROTEIN FOLDING, PEPTIDE SELECTION, PHAGE DISPLAY, PEPTIDE BINDING GROOVE FORMED BY PAIRED HELICES SUBSTRATE PEPTIDE IN BETA-SHEET, CHAPERONE ;; CHAPERONE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.26
Radius of gyration Rg (electron density) rg_electron32.22
Forward intensity I(0) i065769500.00
Molecular weight molecular_weight67236.0 kDa
Excluded volume excluded_volume85551 ų
Envelope volume envelope_volume114250 ų
Hydration-shell volume shell_volume29147 ų
Envelope diameter envelope_diameter102.9
Shell Rg shell_rg39.86
Envelope Rg envelope_rg31.12
Shape Rg shape_rg32.21
Total Rg total_rg32.95
Total atoms total_atoms4722
Residues n_residues629
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 dmax100.6
Rg (real space) rg_real33.12
Rg uncertainty (real space) rg_real_error0.80
I(0) (real space) i0_real6.5770e+07
I(0) uncertainty (real space) i0_real_error1.0510e+06
Rg (reciprocal space) rg_reciprocal33.18
I(0) (reciprocal space) i0_reciprocal65770000.0000
Solution quality estimate total_estimate0.8928
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary50.3
Skewness Skewness skewness0.023
Kurtosis Kurtosis kurtosis-0.813
Angular range angular_range— – 0.2400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha22080000.0000
Real-space data points n_real_points49
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.904; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.978; Smooth: 0.913

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1dkda_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.8 — The 'swivelling' beta/beta/alpha domain
Superfamily Superfamily superfamilyc.8.5 — GroEL apical domain-like
Family Family familyc.8.5.1 — GroEL-like chaperone, apical domain
Domain ID domain_idd1dkdb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.8 — The 'swivelling' beta/beta/alpha domain
Superfamily Superfamily superfamilyc.8.5 — GroEL apical domain-like
Family Family familyc.8.5.1 — GroEL-like chaperone, apical domain
Domain ID domain_idd1dkdc_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.8 — The 'swivelling' beta/beta/alpha domain
Superfamily Superfamily superfamilyc.8.5 — GroEL apical domain-like
Family Family familyc.8.5.1 — GroEL-like chaperone, apical domain
Domain ID domain_idd1dkdd_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.8 — The 'swivelling' beta/beta/alpha domain
Superfamily Superfamily superfamilyc.8.5 — GroEL apical domain-like
Family Family familyc.8.5.1 — GroEL-like chaperone, apical domain

CATH v4.4 (4 domains)

Domain ID domain_id1dkdA00
Class class3 — Alpha Beta
Architecture architecture50 — 3-Layer(bba) Sandwich
Topology topology7 — GroEL
Homologous superfamily homologous superfamily10 — GroEL
Domain ID domain_id1dkdB00
Class class3 — Alpha Beta
Architecture architecture50 — 3-Layer(bba) Sandwich
Topology topology7 — GroEL
Homologous superfamily homologous superfamily10 — GroEL
Domain ID domain_id1dkdC00
Class class3 — Alpha Beta
Architecture architecture50 — 3-Layer(bba) Sandwich
Topology topology7 — GroEL
Homologous superfamily homologous superfamily10 — GroEL
Domain ID domain_id1dkdD00
Class class3 — Alpha Beta
Architecture architecture50 — 3-Layer(bba) Sandwich
Topology topology7 — GroEL
Homologous superfamily homologous superfamily10 — GroEL

8. Citations (1)

9. Files and Curves (10)