Carboxypeptidase E


NameCarboxypeptidase E
Synonyms3.4.17.10 Carboxypeptidase H CPE CPH Enkephalin convertase Prohormone-processing carboxypeptidase
Gene NameCPE
OrganismHuman
Amino acid sequence
>lcl|BSEQ0002234|Carboxypeptidase E
MAGRGGSALLALCGALAACGWLLGAEAQEPGAPAAGMRRRRRLQQEDGISFEYHRYPELR
EALVSVWLQCTAISRIYTVGRSFEGRELLVIELSDNPGVHEPGEPEFKYIGNMHGNEAVG
RELLIFLAQYLCNEYQKGNETIVNLIHSTRIHIMPSLNPDGFEKAASQPGELKDWFVGRS
NAQGIDLNRNFPDLDRIVYVNEKEGGPNNHLLKNMKKIVDQNTKLAPETKAVIHWIMDIP
FVLSANLHGGDLVANYPYDETRSGSAHEYSSSPDDAIFQSLARAYSSFNPAMSDPNRPPC
RKNDDDSSFVDGTTNGGAWYSVPGGMQDFNYLSSNCFEITVELSCEKFPPEETLKTYWED
NKNSLISYLEQIHRGVKGFVRDLQGNPIANATISVEGIDHDVTSAKDGDYWRLLIPGNYK
LTASAPGYLAITKKVAVPYSPAAGVDFELESFSERKEEEKEELMEWWKMMSETLNF
Number of residues476
Molecular Weight53150.185
Theoretical pI4.78
GO Classification
Functions
    neurexin family protein binding
    zinc ion binding
    serine-type carboxypeptidase activity
    carboxypeptidase activity
    cell adhesion molecule binding
    metallocarboxypeptidase activity
Processes
    cellular protein modification process
    metabolic process
    cardiac left ventricle morphogenesis
    cellular protein metabolic process
    protein localization to membrane
    Wnt signaling pathway
    neuropeptide signaling pathway
    insulin processing
Components
    extracellular exosome
    secretory granule
    nucleus
    neuronal cell body
    secretory granule membrane
    plasma membrane
    transport vesicle membrane
    extracellular space
    synaptic membrane
    Golgi apparatus
General FunctionZinc ion binding
Specific FunctionRemoves residual C-terminal Arg or Lys remaining after initial endoprotease cleavage during prohormone processing. Processes proinsulin.
Transmembrane Regions
GenBank Protein ID29667
UniProtKB IDP16870
UniProtKB Entry NameCBPE_HUMAN
Cellular LocationCytoplasmic vesicle
Gene sequence
>lcl|BSEQ0016324|Carboxypeptidase E (CPE)
ATGGCCGGGCGAGGGGGCAGCGCGCTGCTGGCTCTGTGCGGGGCACTGGCTGCCTGCGGG
TGGCTCCTGGGCGCCGAAGCCCAGGAGCCCGGGGCGCCCGCGGCGGGCATGAGGCGGCGC
CGGCGGCTGCAGCAAGAGGACGGCATCTCCTTCGAGTACCACCGCTACCCCGAGCTGCGC
GAGGCGCTCGTGTCCGTGTGGCTGCAGTGCACCGCCATCAGCAGGATTTACACGGTGGGG
CGCAGCTTCGAGGGCCGGGAGCTCCTGGTCATCGAGCTGTCCGACAACCCTGGCGTCCAT
GAGCCTGGTGAGCCTGAATTTAAATACATTGGGAATATGCATGGGAATGAGGCTGTTGGA
CGAGAACTGCTCATTTTCTTGGCCCAGTACCTATGCAACGAATACCAGAAGGGGAACGAG
ACAATTGTCAACCTGATCCACAGTACCCGCATTCACATCATGCCTTCCCTGAACCCAGAT
GGCTTTGAGAAGGCAGCGTCTCAGCCTGGTGAACTCAAGGACTGGTTTGTGGGTCGAAGC
AATGCCCAGGGAATAGATCTGAACCGGAACTTTCCAGACCTGGATAGGATAGTGTACGTG
AATGAGAAAGAAGGTGGTCCAAATAATCATCTGTTGAAAAATATGAAGAAAATTGTGGAT
CAAAACACAAAGCTTGCTCCTGAGACCAAGGCTGTCATTCATTGGATTATGGATATTCCT
TTTGTGCTTTCTGCCAATCTCCATGGAGGAGACCTTGTGGCCAATTATCCATATGATGAG
ACGCGGAGTGGTAGTGCTCACGAATACAGCTCCTCCCCAGATGACGCCATTTTCCAAAGC
TTGGCCCGGGCATACTCTTCTTTCAACCCGGCCATGTCTGACCCCAATCGGCCACCATGT
CGCAAGAATGATGATGACAGCAGCTTTGTAGATGGAACCACCAACGGTGGTGCTTGGTAC
AGCGTACCTGGAGGGATGCAAGACTTCAATTACCTTAGCAGCAACTGTTTTGAGATCACC
GTGGAGCTTAGCTGTGAGAAGTTCCCACCTGAAGAGACTCTGAAGACCTACTGGGAGGAT
AACAAAAACTCCCTCATTAGCTACCTTGAGCAGATACACCGAGGAGTTAAAGGATTTGTC
CGAGACCTTCAAGGTAACCCAATTGCGAATGCCACCATCTCCGTGGAAGGAATAGACCAC
GATGTTACATCCGCAAAGGATGGTGATTACTGGAGATTGCTTATACCTGGAAACTATAAA
CTTACAGCCTCAGCTCCAGGCTATCTGGCAATAACAAAGAAAGTGGCAGTTCCTTACAGC
CCTGCTGCTGGGGTTGATTTTGAACTGGAGTCATTTTCTGAAAGGAAAGAAGAGGAGAAG
GAAGAATTGATGGAATGGTGGAAAATGATGTCAGAAACTTTAAATTTTTAA
GenBank Gene IDX51405
GeneCard IDNone
GenAtlas IDCPE
HGNC IDHGNC:2303
Chromosome Location4
Locus4q32.3
References
  1. Manser E, Fernandez D, Loo L, Goh PY, Monfries C, Hall C, Lim L: Human carboxypeptidase E. Isolation and characterization of the cDNA, sequence conservation, expression and processing in vitro. Biochem J. 1990 Apr 15;267(2):517-25.[2334405 ]
  2. Utsunomiya N, Ohagi S, Sanke T, Tatsuta H, Hanabusa T, Nanjo K: Organization of the human carboxypeptidase E gene and molecular scanning for mutations in Japanese subjects with NIDDM or obesity. Diabetologia. 1998 Jun;41(6):701-5.[9662053 ]
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  4. Lee TK, Murthy SR, Cawley NX, Dhanvantari S, Hewitt SM, Lou H, Lau T, Ma S, Huynh T, Wesley RA, Ng IO, Pacak K, Poon RT, Loh YP: An N-terminal truncated carboxypeptidase E splice isoform induces tumor growth and is a biomarker for predicting future metastasis in human cancers. J Clin Invest. 2011 Mar;121(3):880-92. doi: 10.1172/JCI40433.[21285511 ]
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  6. Sjoblom T, Jones S, Wood LD, Parsons DW, Lin J, Barber TD, Mandelker D, Leary RJ, Ptak J, Silliman N, Szabo S, Buckhaults P, Farrell C, Meeh P, Markowitz SD, Willis J, Dawson D, Willson JK, Gazdar AF, Hartigan J, Wu L, Liu C, Parmigiani G, Park BH, Bachman KE, Papadopoulos N, Vogelstein B, Kinzler KW, Velculescu VE: The consensus coding sequences of human breast and colorectal cancers. Science. 2006 Oct 13;314(5797):268-74. Epub 2006 Sep 7.[16959974 ]

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