Ornithine transcarbamoylase

OTC
Available structures PDB Ortholog search: PDBe RCSB List of PDB id codes 1OTH, 1C9Y, 1EP9, 1FVO
Identifiers
Aliases	OTC, OCTD, ornithine carbamoyltransferase
External IDs	OMIM: 300461 MGI: 97448 HomoloGene: 446 GeneCards: OTC
Gene ontology Molecular function • amino acid binding • transferase activity • carboxyl- or carbamoyltransferase activity • phosphate ion binding • phospholipid binding • ornithine carbamoyltransferase activity Cellular component • cytoplasm • mitochondrial inner membrane • mitochondrial matrix • mitochondrion Biological process • response to zinc ion • cellular amino acid biosynthetic process • ornithine catabolic process • response to drug • midgut development • cellular amino acid metabolic process • response to nutrient levels • response to biotin • anion homeostasis • liver development • arginine biosynthetic process • response to insulin • ammonia homeostasis • ornithine metabolic process • protein homotrimerization • urea cycle • citrulline biosynthetic process Sources:Amigo / QuickGO
RNA expression pattern
More reference expression data
Orthologs
Species	Human	Mouse
Entrez	5009	18416
Ensembl	ENSG00000036473	ENSMUSG00000031173
UniProt	P00480	P11725
RefSeq (mRNA)	NM_000531	NM_008769
RefSeq (protein)	NP_000522	NP_032795.1 NP_032795
Location (UCSC)	Chr X: 38.35 – 38.42 Mb	Chr X: 10.25 – 10.32 Mb
PubMed search

1OTH, 1C9Y, 1EP9, 1FVO

5009

18416

ENSG00000036473

ENSMUSG00000031173

P00480

P11725

NM_000531

NM_008769

NP_000522

NP_032795.1
NP_032795

Ornithine transcarbamylase (OTC) (also called ornithine carbamoyltransferase) is an enzyme (EC 2.1.3.3) that catalyzes the reaction between carbamoyl phosphate (CP) and ornithine (Orn) to form citrulline (Cit) and phosphate (P_i). In plants and microbes, OTC is involved in arginine (Arg) biosynthesis, whereas in mammals it is located in the and is part of the urea cycle.

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