Dipeptidyl peptidase 4


NameDipeptidyl peptidase 4
Synonyms3.4.14.5 ADABP ADCP-2 ADCP2 Adenosine deaminase complexing protein 2 CD26 Dipeptidyl peptidase IV DPP IV T-cell activation antigen CD26 TP103
Gene NameDPP4
OrganismHuman
Amino acid sequence
>lcl|BSEQ0010603|Dipeptidyl peptidase 4
MKTPWKVLLGLLGAAALVTIITVPVVLLNKGTDDATADSRKTYTLTDYLKNTYRLKLYSL
RWISDHEYLYKQENNILVFNAEYGNSSVFLENSTFDEFGHSINDYSISPDGQFILLEYNY
VKQWRHSYTASYDIYDLNKRQLITEERIPNNTQWVTWSPVGHKLAYVWNNDIYVKIEPNL
PSYRITWTGKEDIIYNGITDWVYEEEVFSAYSALWWSPNGTFLAYAQFNDTEVPLIEYSF
YSDESLQYPKTVRVPYPKAGAVNPTVKFFVVNTDSLSSVTNATSIQITAPASMLIGDHYL
CDVTWATQERISLQWLRRIQNYSVMDICDYDESSGRWNCLVARQHIEMSTTGWVGRFRPS
EPHFTLDGNSFYKIISNEEGYRHICYFQIDKKDCTFITKGTWEVIGIEALTSDYLYYISN
EYKGMPGGRNLYKIQLSDYTKVTCLSCELNPERCQYYSVSFSKEAKYYQLRCSGPGLPLY
TLHSSVNDKGLRVLEDNSALDKMLQNVQMPSKKLDFIILNETKFWYQMILPPHFDKSKKY
PLLLDVYAGPCSQKADTVFRLNWATYLASTENIIVASFDGRGSGYQGDKIMHAINRRLGT
FEVEDQIEAARQFSKMGFVDNKRIAIWGWSYGGYVTSMVLGSGSGVFKCGIAVAPVSRWE
YYDSVYTERYMGLPTPEDNLDHYRNSTVMSRAENFKQVEYLLIHGTADDNVHFQQSAQIS
KALVDVGVDFQAMWYTDEDHGIASSTAHQHIYTHMSHFIKQCFSLP
Number of residues766
Molecular Weight88277.935
Theoretical pI5.92
GO Classification
Functions
    dipeptidyl-peptidase activity
    virus receptor activity
    protease binding
    protein homodimerization activity
    identical protein binding
    serine-type endopeptidase activity
    receptor binding
    serine-type peptidase activity
Processes
    locomotory exploration behavior
    negative regulation of extracellular matrix disassembly
    T cell activation
    psychomotor behavior
    T cell costimulation
    regulation of cell-cell adhesion mediated by integrin
    response to hypoxia
    positive regulation of cell proliferation
    viral entry into host cell
    endothelial cell migration
    behavioral fear response
Components
    intercellular canaliculus
    lysosomal membrane
    invadopodium membrane
    cell surface
    lamellipodium
    integral component of membrane
    focal adhesion
    extracellular exosome
    membrane
    lamellipodium membrane
    membrane raft
    apical plasma membrane
    plasma membrane
    endocytic vesicle
General FunctionVirus receptor activity
Specific FunctionCell surface glycoprotein receptor involved in the costimulatory signal essential for T-cell receptor (TCR)-mediated T-cell activation. Acts as a positive regulator of T-cell coactivation, by binding at least ADA, CAV1, IGF2R, and PTPRC. Its binding to CAV1 and CARD11 induces T-cell proliferation and NF-kappa-B activation in a T-cell receptor/CD3-dependent manner. Its interaction with ADA also regulates lymphocyte-epithelial cell adhesion. In association with FAP is involved in the pericellular proteolysis of the extracellular matrix (ECM), the migration and invasion of endothelial cells into the ECM. May be involved in the promotion of lymphatic endothelial cells adhesion, migration and tube formation. When overexpressed, enhanced cell proliferation, a process inhibited by GPC3. Acts also as a serine exopeptidase with a dipeptidyl peptidase activity that regulates various physiological processes by cleaving peptides in the circulation, including many chemokines, mitogenic growth factors, neuropeptides and peptide hormones. Removes N-terminal dipeptides sequentially from polypeptides having unsubstituted N-termini provided that the penultimate residue is proline.
Transmembrane Regions7-28
GenBank Protein ID535388
UniProtKB IDP27487
UniProtKB Entry NameDPP4_HUMAN
Cellular LocationSecreted
Gene sequence
>lcl|BSEQ0010604|Dipeptidyl peptidase 4 (DPP4)
ATGAAGACACCGTGGAAGGTTCTTCTGGGACTGCTGGGTGCTGCTGCGCTTGTCACCATC
ATCACCGTGCCCGTGGTTCTGCTGAACAAAGGCACAGATGATGCTACAGCTGACAGTCGC
AAAACTTACACTCTAACTGATTACTTAAAAAATACTTATAGACTGAAGTTATACTCCTTA
AGATGGATTTCAGATCATGAATATCTCTACAAACAAGAAAATAATATCTTGGTATTCAAT
GCTGAATATGGAAACAGCTCAGTTTTCTTGGAGAACAGTACATTTGATGAGTTTGGACAT
TCTATCAATGATTATTCAATATCTCCTGATGGGCAGTTTATTCTCTTAGAATACAACTAC
GTGAAGCAATGGAGGCATTCCTACACAGCTTCATATGACATTTATGATTTAAATAAAAGG
CAGCTGATTACAGAAGAGAGGATTCCAAACAACACACAGTGGGTCACATGGTCACCAGTG
GGTCATAAATTGGCATATGTTTGGAACAATGACATTTATGTTAAAATTGAACCAAATTTA
CCAAGTTACAGAATCACATGGACGGGGAAAGAAGATATAATATATAATGGAATAACTGAC
TGGGTTTATGAAGAGGAAGTCTTCAGTGCCTACTCTGCTCTGTGGTGGTCTCCAAACGGC
ACTTTTTTAGCATATGCCCAATTTAACGACACAGAAGTCCCACTTATTGAATACTCCTTC
TACTCTGATGAGTCACTGCAGTACCCAAAGACTGTACGGGTTCCATATCCAAAGGCAGGA
GCTGTGAATCCAACTGTAAAGTTCTTTGTTGTAAATACAGACTCTCTCAGCTCAGTCACC
AATGCAACTTCCATACAAATCACTGCTCCTGCTTCTATGTTGATAGGGGATCACTACTTG
TGTGATGTGACATGGGCAACACAAGAAAGAATTTCTTTGCAGTGGCTCAGGAGGATTCAG
AACTATTCGGTCATGGATATTTGTGACTATGATGAATCCAGTGGAAGATGGAACTGCTTA
GTGGCACGGCAACACATTGAAATGAGTACTACTGGCTGGGTTGGAAGATTTAGGCCTTCA
GAACCTCATTTTACCCTTGATGGTAATAGCTTCTACAAGATCATCAGCAATGAAGAAGGT
TACAGACACATTTGCTATTTCCAAATAGATAAAAAAGACTGCACATTTATTACAAAAGGC
ACCTGGGAAGTCATCGGGATAGAAGCTCTAACCAGTGATTATCTATACTACATTAGTAAT
GAATATAAAGGAATGCCAGGAGGAAGGAATCTTTATAAAATCCAACTTAGTGACTATACA
AAAGTGACATGCCTCAGTTGTGAGCTGAATCCGGAAAGGTGTCAGTACTATTCTGTGTCA
TTCAGTAAAGAGGCGAAGTATTATCAGCTGAGATGTTCCGGTCCTGGTCTGCCCCTCTAT
ACTCTACACAGCAGCGTGAATGATAAAGGGCTGAGAGTCCTGGAAGACAATTCAGCTTTG
GATAAAATGCTGCAGAATGTCCAGATGCCCTCCAAAAAACTGGACTTCATTATTTTGAAT
GAAACAAAATTTTGGTATCAGATGATCTTGCCTCCTCATTTTGATAAATCCAAGAAATAT
CCTCTACTATTAGATGTGTATGCAGGCCCATGTAGTCAAAAAGCAGACACTGTCTTCAGA
CTGAACTGGGCCACTTACCTTGCAAGCACAGAAAACATTATAGTAGCTAGCTTTGATGGC
AGAGGAAGTGGTTACCAAGGAGATAAGATCATGCATGCAATCAACAGAAGACTGGGAACA
TTTGAAGTTGAAGATCAAATTGAAGCAGCCAGACAATTTTCAAAAATGGGATTTGTGGAC
AACAAACGAATTGCAATTTGGGGCTGGTCATATGGAGGGTACGTAACCTCAATGGTCCTG
GGATCGGGAAGTGGCGTGTTCAAGTGTGGAATAGCCGTGGCGCCTGTATCCCGGTGGGAG
TACTATGACTCAGTGTACACAGAACGTTACATGGGTCTCCCAACTCCAGAAGACAACCTT
GACCATTACAGAAATTCAACAGTCATGAGCAGAGCTGAAAATTTTAAACAAGTTGAGTAC
CTCCTTATTCATGGAACAGCAGATGATAACGTTCACTTTCAGCAGTCAGCTCAGATCTCC
AAAGCCCTGGTCGATGTTGGAGTGGATTTCCAGGCAATGTGGTATACTGATGAAGACCAT
GGAATAGCTAGCAGCACAGCACACCAACATATATATACCCACATGAGCCACTTCATAAAA
CAATGTTTCTCTTTACCTTAG
GenBank Gene IDU13735
GeneCard IDNone
GenAtlas IDDPP4
HGNC IDHGNC:3009
Chromosome Location2
Locus2q24.3
References
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