Function and Biology

Resting state of rat cysteine dioxygenase H155Q variant

Source organism: Rattus norvegicus
Biochemical function: dioxygenase activity
Biological process: response to cAMP
Cellular component: cytosol

EC 1.13.11.20: Cysteine dioxygenase

Reaction catalysed:
L-cysteine + O(2) = 3-sulfinoalanine
Systematic name:
L-cysteine:oxygen oxidoreductase
Alternative Name(s):
  • Cysteine oxidase

Sequence family

Pfam Protein family (Pfam)
PF05995
Domain description: Cysteine dioxygenase type I
Occurring in:
  1. Cysteine dioxygenase type 1
The deposited structure of PDB entry 5efu contains 1 copy of Pfam domain PF05995 (Cysteine dioxygenase type I) in Cysteine dioxygenase type 1. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR010300
Domain description: Cysteine dioxygenase type I
Occurring in:
  1. Cysteine dioxygenase type 1
IPR011051
Domain description: RmlC-like cupin domain superfamily
Occurring in:
  1. Cysteine dioxygenase type 1
IPR014710
Domain description: RmlC-like jelly roll fold
Occurring in:
  1. Cysteine dioxygenase type 1

Structure domain

CATH CATH domain
2.60.120.10
Class: Mainly Beta
Architecture: Sandwich
Topology: Jelly Rolls
Homology: Jelly Rolls
Occurring in:
  1. Cysteine dioxygenase type 1
The deposited structure of PDB entry 5efu contains 1 copy of CATH domain 2.60.120.10 (Jelly Rolls) in Cysteine dioxygenase type 1. Showing 1 copy in chain A.