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Aliases for CPO Gene

Aliases for CPO Gene

  • Carboxypeptidase O 2 3
  • Metallocarboxypeptidase O 2
  • Metallocarboxypeptidase C 2
  • EC 3.4.17.- 4
  • EC 3.4.17 63

External Ids for CPO Gene

Previous GeneCards Identifiers for CPO Gene

  • GC03M094920
  • GC03M097601
  • GC03M099579
  • GC02P208007
  • GC02P208008
  • GC02P207629
  • GC02P207512
  • GC02P207804
  • GC02P199655

Summaries for CPO Gene

Entrez Gene Summary for CPO Gene

  • This gene is a member of the metallocarboxypeptidase gene family. [provided by RefSeq, Jan 2011]

GeneCards Summary for CPO Gene

CPO (Carboxypeptidase O) is a Protein Coding gene. Diseases associated with CPO include coproporphyria. GO annotations related to this gene include metallocarboxypeptidase activity. An important paralog of this gene is CPA3.

UniProtKB/Swiss-Prot for CPO Gene

  • Probable carboxypeptidase which may cleave proteins with C-terminal acidic residues.

No data available for Tocris Summary , Gene Wiki entry , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for CPO Gene

Genomics for CPO Gene

Regulatory Elements for CPO Gene

Genomic Location for CPO Gene

206,939,554 bp from pter
206,969,474 bp from pter
29,921 bases
Plus strand

Genomic View for CPO Gene

UCSC Golden Path with GeneCards custom track
Cytogenetic band:
Genomic Location for CPO Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for CPO Gene

Proteins for CPO Gene

  • Protein details for CPO Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    Carboxypeptidase O
    Protein Accession:
    Secondary Accessions:
    • Q2M277
    • Q7RTW7

    Protein attributes for CPO Gene

    374 amino acids
    Molecular mass:
    42529 Da
    Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Note=Binds 1 zinc ion per subunit.;
    Quaternary structure:
    No Data Available

neXtProt entry for CPO Gene

Proteomics data for CPO Gene at MOPED

Selected DME Specific Peptides for CPO Gene

Post-translational modifications for CPO Gene

  • Glycosylation at Asn132, Asn174, Asn187, and Asn251
  • Modification sites at PhosphoSitePlus

Other Protein References for CPO Gene

ENSEMBL proteins:
REFSEQ proteins:

Antibody Products

  • Santa Cruz Biotechnology (SCBT) Antibodies for CPO

Domains for CPO Gene

Gene Families for CPO Gene

Protein Domains for CPO Gene

Suggested Antigen Peptide Sequences for CPO Gene

GenScript: Design optimal peptide antigens:

Graphical View of Domain Structure for InterPro Entry



  • Belongs to the peptidase M14 family.
  • Belongs to the peptidase M14 family.
genes like me logo Genes that share domains with CPO: view

Function for CPO Gene

Molecular function for CPO Gene

GENATLAS Biochemistry:
coproporphyrinogen oxidase,71-74kDa,catalyzing protoporphyrinogen formation,mitochondrial,catalyzing the sixth step of porphyrin biosynthesis
UniProtKB/Swiss-Prot Function:
Probable carboxypeptidase which may cleave proteins with C-terminal acidic residues.

Enzyme Numbers (IUBMB) for CPO Gene

Gene Ontology (GO) - Molecular Function for CPO Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0004181 metallocarboxypeptidase activity IEA --
GO:0008270 zinc ion binding IEA --
genes like me logo Genes that share ontologies with CPO: view

Animal Model Products

CRISPR Products

miRNA for CPO Gene

miRTarBase miRNAs that target CPO

miRNA Products

Inhibitory RNA Products

  • Predesigned siRNA for gene silencing in human,mouse,rat for CPO

In Situ Assay Products

Flow Cytometry Products

No data available for Phenotypes , Animal Models , Transcription Factor Targets and HOMER Transcription for CPO Gene

Localization for CPO Gene

Subcellular locations from UniProtKB/Swiss-Prot for CPO Gene


Subcellular locations from

Jensen Localization Image for CPO Gene COMPARTMENTS Subcellular localization image for CPO gene
Compartment Confidence
extracellular 3
cytoskeleton 1
endoplasmic reticulum 1
mitochondrion 1
nucleus 1
peroxisome 1
plasma membrane 1

Gene Ontology (GO) - Cellular Components for CPO Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005576 extracellular region IEA --
genes like me logo Genes that share ontologies with CPO: view

Pathways for CPO Gene

SuperPathways for CPO Gene

No Data Available

Interacting Proteins for CPO Gene

STRING Interaction Network Preview (showing 2 interactants - click image to see details)
Selected Interacting proteins: ENSP00000272852 for CPO Gene via STRING

Gene Ontology (GO) - Biological Process for CPO Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0006508 proteolysis IEA --
genes like me logo Genes that share ontologies with CPO: view

No data available for Pathways by source for CPO Gene

Transcripts for CPO Gene

mRNA/cDNA for CPO Gene

(3) Selected AceView cDNA sequences:
(2) REFSEQ mRNAs :
(3) Additional mRNA sequences :
(1) Ensembl transcripts including schematic representations, and UCSC links where relevant :

Unigene Clusters for CPO Gene

Carboxypeptidase O:
Representative Sequences:

CRISPR Products

miRNA Products

Inhibitory RNA Products

  • Predesigned siRNA for gene silencing in human,mouse,rat for CPO

Flow Cytometry Products

Alternative Splicing Database (ASD) splice patterns (SP) for CPO Gene

No ASD Table

Relevant External Links for CPO Gene

GeneLoc Exon Structure for
ECgene alternative splicing isoforms for

Expression for CPO Gene

mRNA expression in normal human tissues for CPO Gene

mRNA differential expression in normal tissues according to GTEx for CPO Gene

This gene is overexpressed in Small Intestine - Terminal Ileum (27.4).

SOURCE GeneReport for Unigene cluster for CPO Gene Hs.684103

genes like me logo Genes that share expressions with CPO: view

Primer Products

  • QuantiTect SYBR Green Assays in human,mouse,rat
  • Pre-validated RT² qPCR Primer Assay in human,mouse,rat
  • QuantiFast Probe-based Assays in human,mouse,rat

In Situ Assay Products

No data available for mRNA expression in embryonic tissues and stem cells from LifeMap Discovery , Protein differential expression in normal tissues , Protein expression , mRNA Expression by UniProt/SwissProt and Expression partners for CPO Gene

Orthologs for CPO Gene

This gene was present in the common ancestor of animals.

Orthologs for CPO Gene

Organism Taxonomy Gene Similarity Type Details
(Bos Taurus)
Mammalia CPO 35
  • 85.74 (n)
  • 85.03 (a)
CPO 36
  • 85 (a)
(Canis familiaris)
Mammalia CPO 35
  • 86.52 (n)
  • 84.49 (a)
CPO 36
  • 83 (a)
(Pan troglodytes)
Mammalia CPO 35
  • 99.47 (n)
  • 98.66 (a)
CPO 36
  • 99 (a)
(Monodelphis domestica)
Mammalia CPO 36
  • 69 (a)
(Gallus gallus)
Aves CPO 35
  • 66.1 (n)
  • 62.68 (a)
CPO 36
  • 50 (a)
tropical clawed frog
(Silurana tropicalis)
Amphibia cpo 35
  • 63.28 (n)
  • 61.54 (a)
(Danio rerio)
Actinopterygii LOC100005630 35
  • 57.06 (n)
  • 53.99 (a)
cpo 36
  • 48 (a)
fruit fly
(Drosophila melanogaster)
Insecta CG12374 37
  • 32 (a)
CG14820 37
  • 36 (a)
CG15769 37
  • 30 (a)
CG17633 37
  • 36 (a)
CG18415 37
  • 31 (a)
CG18417 37
  • 35 (a)
CG18585 37
  • 38 (a)
CG2915 37
  • 36 (a)
CG3097 37
  • 40 (a)
CG3108 37
  • 37 (a)
CG4017 37
  • 38 (a)
CG4408 37
  • 33 (a)
CG7025 37
  • 39 (a)
CG8539 37
  • 29 (a)
CG8560 37
  • 35 (a)
CG8562 37
  • 34 (a)
CG8563 37
  • 34 (a)
CG8945 37
  • 29 (a)
Coprox 37
  • 59 (a)
CG14820 35
  • 50.23 (n)
  • 40.62 (a)
(Caenorhabditis elegans)
Secernentea R11A5.7 37
  • 36 (a)
T06A4.3 37
  • 34 (a)
W01A8.6 37
  • 31 (a)
Y59C2A.1 37
  • 32 (a)
sea squirt
(Ciona savignyi)
Ascidiacea -- 36
  • 33 (a)
CSA.4459 36
  • 28 (a)
Species with no ortholog for CPO:
  • A. gosspyii yeast (Ashbya gossypii)
  • Actinobacteria (Mycobacterium tuberculosis)
  • African clawed frog (Xenopus laevis)
  • African malaria mosquito (Anopheles gambiae)
  • Alicante grape (Vitis vinifera)
  • alpha proteobacteria (Wolbachia pipientis)
  • amoeba (Dictyostelium discoideum)
  • Archea (Pyrococcus horikoshii)
  • baker's yeast (Saccharomyces cerevisiae)
  • barley (Hordeum vulgare)
  • beta proteobacteria (Neisseria meningitidis)
  • bread mold (Neurospora crassa)
  • Chromalveolata (Phytophthora infestans)
  • common water flea (Daphnia pulex)
  • corn (Zea mays)
  • E. coli (Escherichia coli)
  • filamentous fungi (Aspergillus nidulans)
  • Firmicute bacteria (Streptococcus pneumoniae)
  • fission yeast (Schizosaccharomyces pombe)
  • green algae (Chlamydomonas reinhardtii)
  • honey bee (Apis mellifera)
  • K. lactis yeast (Kluyveromyces lactis)
  • lizard (Anolis carolinensis)
  • loblloly pine (Pinus taeda)
  • malaria parasite (Plasmodium falciparum)
  • medicago trunc (Medicago Truncatula)
  • moss (Physcomitrella patens)
  • mouse (Mus musculus)
  • orangutan (Pongo pygmaeus)
  • pig (Sus scrofa)
  • platypus (Ornithorhynchus anatinus)
  • rainbow trout (Oncorhynchus mykiss)
  • rat (Rattus norvegicus)
  • rice (Oryza sativa)
  • rice blast fungus (Magnaporthe grisea)
  • schistosome parasite (Schistosoma mansoni)
  • sea anemone (Nematostella vectensis)
  • sea urchin (Strongylocentrotus purpuratus)
  • sorghum (Sorghum bicolor)
  • soybean (Glycine max)
  • stem rust fungus (Puccinia graminis)
  • sugarcane (Saccharum officinarum)
  • thale cress (Arabidopsis thaliana)
  • tomato (Lycopersicon esculentum)
  • toxoplasmosis (Toxoplasma gondii)
  • Trichoplax (Trichoplax adhaerens)
  • wheat (Triticum aestivum)

Evolution for CPO Gene

Gene Tree for CPO (if available)
Gene Tree for CPO (if available)

Paralogs for CPO Gene

Paralogs for CPO Gene

(8) SIMAP similar genes for CPO Gene using alignment to 1 proteins:

genes like me logo Genes that share paralogs with CPO: view

Variants for CPO Gene

Sequence variations from dbSNP and Humsavar for CPO Gene

SNP ID Clin Chr 02 pos Sequence Context AA Info Type MAF
rs993021 -- 206,948,693(+) GAGCC(C/G)AAGGC intron-variant
rs993022 -- 206,948,848(+) TGAAG(A/C)GTGAG intron-variant
rs993023 -- 206,948,892(+) gatgt(A/G)tcaaa intron-variant
rs993024 -- 206,948,976(+) ATAGC(A/G)GGTAA intron-variant
rs993842 -- 206,944,260(+) AGACA(C/T)GAAAT intron-variant

Structural Variations from Database of Genomic Variants (DGV) for CPO Gene

Variant ID Type Subtype PubMed ID
nsv875740 CNV Gain 21882294
esv275226 CNV Gain+Loss 21479260

Relevant External Links for CPO Gene

HapMap Linkage Disequilibrium report

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for CPO Gene

Disorders for CPO Gene

MalaCards: The human disease database

MalaCards: The human disease database.

Search for CPO Gene in MalaCards »

(1) Disease for CPO Gene

Genatlas disease for CPO Gene

coproporphyria,hereditary acute hepatic porphyria characterized by cutaneous photosensibility and neurological disturbances with an overproduction of coproporphyrin,including harderoporphyria

Relevant External Links for CPO

Genetic Association Database (GAD)
genes like me logo Genes that share disorders with CPO: view

No data available for OMIM , UniProtKB/Swiss-Prot , University of Copenhagen DISEASES and Novoseek inferred disease relationships for CPO Gene

Publications for CPO Gene

  1. Identification and characterization of three members of the human metallocarboxypeptidase gene family. (PMID: 11836249) Wei S. … Fricker L.D. (J. Biol. Chem. 2002) 2 3 4
  2. The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). (PMID: 15489334) Gerhard D.S. … Malek J. (Genome Res. 2004) 3 4
  3. Generation and annotation of the DNA sequences of human chromosomes 2 and 4. (PMID: 15815621) Hillier L.W. … Wilson R.K. (Nature 2005) 3 4
  4. Carboxypeptidase O is a glycosylphosphatidylinositol-anchored intestinal peptidase with acidic amino acid specificity. (PMID: 21921028) Lyons P.J. … Fricker L.D. (J. Biol. Chem. 2011) 3
  5. Genome-wide association for abdominal subcutaneous and visceral adipose reveals a novel locus for visceral fat in women. (PMID: 22589738) Fox C.S. … Borecki I.B. (PLoS Genet. 2012) 3

Products for CPO Gene

Sources for CPO Gene

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