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CD63_FELCA
ID   CD63_FELCA              Reviewed;         238 AA.
AC   Q76B49;
DT   07-MAR-2006, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   25-MAY-2022, entry version 94.
DE   RecName: Full=CD63 antigen;
DE   AltName: CD_antigen=CD63;
GN   Name=CD63;
OS   Felis catus (Cat) (Felis silvestris catus).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Laurasiatheria; Carnivora; Feliformia; Felidae; Felinae; Felis.
OX   NCBI_TaxID=9685;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RX   PubMed=15010227; DOI=10.1016/j.vetimm.2003.12.005;
RA   Sakurai Y., Shimojima M., Miyazawa T., Masuoka K., Tohya Y., Akashi H.;
RT   "Identification of the feline CD63 homologue using retrovirus-mediated
RT   expression cloning.";
RL   Vet. Immunol. Immunopathol. 98:185-191(2004).
CC   -!- FUNCTION: Functions as cell surface receptor for TIMP1 and plays a role
CC       in the activation of cellular signaling cascades. Plays a role in the
CC       activation of ITGB1 and integrin signaling, leading to the activation
CC       of AKT, FAK/PTK2 and MAP kinases. Promotes cell survival,
CC       reorganization of the actin cytoskeleton, cell adhesion, spreading and
CC       migration, via its role in the activation of AKT and FAK/PTK2. Plays a
CC       role in VEGFA signaling via its role in regulating the internalization
CC       of KDR/VEGFR2. Plays a role in intracellular vesicular transport
CC       processes, and is required for normal trafficking of the PMEL luminal
CC       domain that is essential for the development and maturation of
CC       melanocytes. Plays a role in the adhesion of leukocytes onto
CC       endothelial cells via its role in the regulation of SELP trafficking.
CC       May play a role in mast cell degranulation in response to Ms4a2/FceRI
CC       stimulation, but not in mast cell degranulation in response to other
CC       stimuli (By similarity). {ECO:0000250}.
CC   -!- SUBUNIT: Interacts with TIMP1 and ITGB1 and recruits TIMP1 to ITGB1.
CC       Interacts with CD9. Identified in a complex with CD9 and ITGB3.
CC       Interacts with PMEL. Interacts with KDR/VEGFR2; identified in a complex
CC       with ITGB1 and KDR/VEGFR2 and is required to recruit KDR to ITGB1
CC       complexes. Interacts with SYT7 (By similarity). {ECO:0000250,
CC       ECO:0000250|UniProtKB:P41731}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000250|UniProtKB:P08962};
CC       Multi-pass membrane protein {ECO:0000255}. Lysosome membrane
CC       {ECO:0000250|UniProtKB:P08962}; Multi-pass membrane protein
CC       {ECO:0000255}. Late endosome membrane {ECO:0000250|UniProtKB:P08962};
CC       Multi-pass membrane protein {ECO:0000255}. Endosome, multivesicular
CC       body {ECO:0000250|UniProtKB:P08962}. Melanosome
CC       {ECO:0000250|UniProtKB:P08962}. Secreted, extracellular exosome
CC       {ECO:0000250|UniProtKB:P08962}. Cell surface
CC       {ECO:0000250|UniProtKB:P08962}. Note=Also found in Weibel-Palade bodies
CC       of endothelial cells. Located in platelet dense granules. Detected in a
CC       subset of pre-melanosomes. Detected on intralumenal vesicles (ILVs)
CC       within multivesicular bodies. {ECO:0000250|UniProtKB:P08962}.
CC   -!- PTM: Palmitoylated at a low, basal level in unstimulated platelets. The
CC       level of palmitoylation increases when platelets are activated by
CC       thrombin (in vitro) (By similarity). {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the tetraspanin (TM4SF) family. {ECO:0000305}.
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DR   EMBL; AB111914; BAD04070.1; -; mRNA.
DR   RefSeq; NP_001009855.1; NM_001009855.1.
DR   AlphaFoldDB; Q76B49; -.
DR   SMR; Q76B49; -.
DR   STRING; 9685.ENSFCAP00000012946; -.
DR   GeneID; 493846; -.
DR   KEGG; fca:493846; -.
DR   CTD; 967; -.
DR   eggNOG; KOG3882; Eukaryota.
DR   InParanoid; Q76B49; -.
DR   OrthoDB; 1467737at2759; -.
DR   TreeFam; TF316345; -.
DR   Proteomes; UP000011712; Unplaced.
DR   GO; GO:0009986; C:cell surface; IEA:UniProtKB-SubCell.
DR   GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0031226; C:intrinsic component of plasma membrane; ISS:UniProtKB.
DR   GO; GO:0031902; C:late endosome membrane; ISS:UniProtKB.
DR   GO; GO:0005765; C:lysosomal membrane; ISS:UniProtKB.
DR   GO; GO:0042470; C:melanosome; IEA:UniProtKB-SubCell.
DR   GO; GO:0032585; C:multivesicular body membrane; ISS:UniProtKB.
DR   GO; GO:0097487; C:multivesicular body, internal vesicle; ISS:UniProtKB.
DR   GO; GO:0016477; P:cell migration; ISS:UniProtKB.
DR   GO; GO:0007160; P:cell-matrix adhesion; ISS:UniProtKB.
DR   GO; GO:0035646; P:endosome to melanosome transport; ISS:UniProtKB.
DR   GO; GO:0048757; P:pigment granule maturation; ISS:UniProtKB.
DR   GO; GO:2001046; P:positive regulation of integrin-mediated signaling pathway; ISS:UniProtKB.
DR   GO; GO:0002092; P:positive regulation of receptor internalization; ISS:UniProtKB.
DR   GO; GO:0015031; P:protein transport; IEA:UniProtKB-KW.
DR   GO; GO:1900746; P:regulation of vascular endothelial growth factor signaling pathway; ISS:UniProtKB.
DR   CDD; cd03166; CD63_LEL; 1.
DR   Gene3D; 1.10.1450.10; -; 1.
DR   InterPro; IPR042028; CD63_LEL.
DR   InterPro; IPR018499; Tetraspanin/Peripherin.
DR   InterPro; IPR000301; Tetraspanin_animals.
DR   InterPro; IPR018503; Tetraspanin_CS.
DR   InterPro; IPR008952; Tetraspanin_EC2_sf.
DR   PANTHER; PTHR19282; PTHR19282; 1.
DR   Pfam; PF00335; Tetraspanin; 1.
DR   PIRSF; PIRSF002419; Tetraspanin; 1.
DR   SUPFAM; SSF48652; SSF48652; 1.
DR   PROSITE; PS00421; TM4_1; 1.
PE   2: Evidence at transcript level;
KW   Cell membrane; Endosome; Glycoprotein; Lipoprotein; Lysosome; Membrane;
KW   Palmitate; Protein transport; Reference proteome; Secreted; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..238
FT                   /note="CD63 antigen"
FT                   /id="PRO_0000226734"
FT   TOPO_DOM        1..11
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        12..32
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        33..51
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        52..72
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        73..81
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        82..102
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        103..202
FT                   /note="Extracellular"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        203..223
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        224..238
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   MOTIF           234..238
FT                   /note="Lysosomal targeting motif"
FT                   /evidence="ECO:0000250|UniProtKB:P41731"
FT   CARBOHYD        130
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        150
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        172
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   238 AA;  25638 MW;  AFB1C00E8599EE59 CRC64;
     MAVEGGMKCV KFLLYVLLLA FCACAVGLIA VGVGAQLVLR QTIVQGATPG SLLPVVIIAV
     GAFLFLVAFV GCCGACKENY CLMVTFAIFL SLIMLVEVAV AIAGYVFRDK VMSEFNKDFR
     QQMQNYPKNN HTVSIVDRMQ EDFKCCGAAN YTDWGSIPLM SKARVPDSCC VNVTQGCGIS
     FKVKEIHEEG CVEKIGGWLR SNVLVVAAAA LGIAFVEVLG IIFACCLVKS IRSGYEVM
 
 
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