PDBe 2zcb

X-ray diffraction
1.6Å resolution

Crystal Structure of ubiquitin P37A/P38A

Released:
Source organism: Homo sapiens
Entry authors: Kitahara R, Tanaka T, Sakata E, Yamaguchi Y, Kato K, Yokoyama S

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo trimer
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ubiquitin Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 76 amino acids
Theoretical weight: 8.52 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P0CG48 (Residues: 609-684; Coverage: 11%)
Gene name: UBC
Sequence domains: Ubiquitin family
Structure domains: Phosphatidylinositol 3-kinase Catalytic Subunit; Chain A, domain 1

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P212121
Unit cell:
a: 43.786Å b: 49.735Å c: 93.168Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.206 0.206 0.224
Expression system: Escherichia coli BL21