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Crystal structure of Rab1b covalently modified with AMP at Y77

Source organism: Homo sapiens
Biochemical function: GTP binding
Biological process: not assigned
Cellular component: not assigned

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EC 3.6.5.2: Small monomeric GTPase

Reaction catalysed:
GTP + H(2)O = GDP + phosphate
Systematic name:
GTP phosphohydrolase (cell-regulating)

GO terms

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

Sequence family

Pfam Protein family (Pfam)
PF00071
Domain description: Ras family
Occurring in:
  1. Ras-related protein Rab-1B
The deposited structure of PDB entry 3nkv contains 2 copies of Pfam domain PF00071 (Ras family) in Ras-related protein Rab-1B. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR001806
Domain description: Small GTPase
Occurring in:
  1. Ras-related protein Rab-1B
IPR027417
Domain description: P-loop containing nucleoside triphosphate hydrolase
Occurring in:
  1. Ras-related protein Rab-1B
IPR005225
Domain description: Small GTP-binding protein domain
Occurring in:
  1. Ras-related protein Rab-1B

Structure domain

CATH CATH domain
3.40.50.300
Class: Alpha Beta
Architecture: 3-Layer(aba) Sandwich
Topology: Rossmann fold
Homology: P-loop containing nucleotide triphosphate hydrolases
Occurring in:
  1. Ras-related protein Rab-1B
The deposited structure of PDB entry 3nkv contains 2 copies of CATH domain 3.40.50.300 (Rossmann fold) in Ras-related protein Rab-1B. Showing 1 copy in chain A.

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