CPO (carboxypeptidase O)

Gene

• Entrez ID: 130749
• Gene name: Carboxypeptidase O
• Gene symbol: CPO
• Synonyms (NCBI Gene): -
• Chromosome: 2
• Chromosome location: 2q33.3
• Summary: This gene is a member of the metallocarboxypeptidase gene family. [provided by RefSeq, Jan 2011]

miRNA

miRTarBase ID	miRNA	Experiments	Reference
MIRT019012	hsa-miR-335-5p	Microarray	18185580

Gene ontology (GO)

GO ID	Ontology	Definition	Evidence	Reference
GO:0004180	Function	Carboxypeptidase activity	IEA
GO:0004181	Function	Metallocarboxypeptidase activity	IBA
GO:0004181	Function	Metallocarboxypeptidase activity	IDA	21921028
GO:0004181	Function	Metallocarboxypeptidase activity	IEA
GO:0005615	Component	Extracellular space	IBA
GO:0005886	Component	Plasma membrane	IDA	21921028
GO:0005886	Component	Plasma membrane	IEA
GO:0006508	Process	Proteolysis	IBA
GO:0006508	Process	Proteolysis	IEA
GO:0008233	Function	Peptidase activity	IEA
GO:0008237	Function	Metallopeptidase activity	IEA
GO:0008270	Function	Zinc ion binding	IEA
GO:0016020	Component	Membrane	IEA
GO:0016324	Component	Apical plasma membrane	IEA
GO:0016787	Function	Hydrolase activity	IEA
GO:0046872	Function	Metal ion binding	IEA
GO:0098552	Component	Side of membrane	IEA

Other IDs

• MIM: 609563
• HGNC: 21011
• e!Ensembl: ENSG00000144410

Protein

• UniProt ID: Q8IVL8
• Protein name: Carboxypeptidase O (CPO) (EC 3.4.17.-)
• Protein function: Carboxypeptidase which preferentially cleaves C-terminal acidic residues from peptides and proteins. Can also cleave C-terminal hydrophobic amino acids, with a preference for small residues over large residues.
• PDB: 5MRV
• Family and domains:

  Pfam

  Accession	ID	Position in sequence	Description	Type
  PF00246	Peptidase_M14	56 → 336	Zinc carboxypeptidase	Domain

• Tissue specificity: TISSUE SPECIFICITY: Detected in enterocytes of the ileum. {ECO:0000269|PubMed:21921028}.
• Sequence:

  MKPLLETLYLLGMLVPGGLGYDRSLAQHRQEIVDKSVSPWSLETYSYNIYHPMGEIYEWM
  REISEKYKEVVTQHFLGVTYETHPMYYLKISQPSGNPKKIIWMDCGIHAREWIAPAFCQW
  FVKEILQNHKDNSSIRKLLRNLDFYVLPVLNIDGYIYTWTTDRLWRKSRSPHNNGTCFGT
  DLNRNFNASWCSIGASRNCQDQTFCGTGPVSEPETKAVASFIESKKDDILCFLTMHSYGQ
  LILTPYGYTKNKSSNHPEMIQVGQKAANALKAKYGTNYRVGSSADILYASSGSSRDWARD
  IGIPFSYTFELRDSGTYGFVLPEAQIQPTCEETMEAVLSVLDDVYAKHWHSDSAGRVTSA
  TMLLGLLVSCMSLL

• Sequence length: 374