PDBe 1pcq

X-ray diffraction
2.81Å resolution

Crystal structure of groEL-groES

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero 21-mer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
60 kDa chaperonin Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N
Length: 524 amino acids
Theoretical weight: 55.22 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A6F5 (Residues: 2-525; Coverage: 96%)
Gene names: JW4103, b4143, groEL, groL, mopA
Sequence domains: TCP-1/cpn60 chaperonin family
Structure domains:
10 kDa chaperonin Chains: O, P, Q, R, S, T, U
Molecule details ›
Chains: O, P, Q, R, S, T, U
Length: 97 amino acids
Theoretical weight: 10.4 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A6F9 (Residues: 1-97; Coverage: 100%)
Gene names: JW4102, b4142, groES, groS, mopB
Sequence domains: Chaperonin 10 Kd subunit
Structure domains: 10 Kd Chaperonin, Protein Cpn10; Chain O

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P21212
Unit cell:
a: 255.546Å b: 266.855Å c: 187.049Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.262 0.262 0.278
Expression system: Escherichia coli