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Database: UniProt
Entry: A0A6I9HZW9_VICPA
LinkDB: A0A6I9HZW9_VICPA
Original site: A0A6I9HZW9_VICPA 
ID   A0A6I9HZW9_VICPA        Unreviewed;       972 AA.
AC   A0A6I9HZW9;
DT   07-OCT-2020, integrated into UniProtKB/TrEMBL.
DT   07-OCT-2020, sequence version 1.
DT   28-JAN-2026, entry version 26.
DE   RecName: Full=Mast/stem cell growth factor receptor {ECO:0000256|PIRNR:PIRNR500951};
DE            EC=2.7.10.1 {ECO:0000256|PIRNR:PIRNR500951};
GN   Name=KIT {ECO:0000313|RefSeq:XP_006198201.1};
OS   Vicugna pacos (Alpaca) (Lama pacos).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Laurasiatheria; Artiodactyla; Tylopoda; Camelidae; Vicugna.
OX   NCBI_TaxID=30538 {ECO:0000313|Proteomes:UP001652581, ECO:0000313|RefSeq:XP_006198201.1};
RN   [1] {ECO:0000313|Proteomes:UP001652581}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RG   RefSeq;
RL   Submitted (MAY-2025) to UniProtKB.
RN   [2] {ECO:0000313|RefSeq:XP_006198201.1}
RP   IDENTIFICATION.
RG   RefSeq;
RL   Submitted (AUG-2025) to UniProtKB.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-tyrosyl-[protein] + ATP = O-phospho-L-tyrosyl-[protein] +
CC         ADP + H(+); Xref=Rhea:RHEA:10596, Rhea:RHEA-COMP:10136, Rhea:RHEA-
CC         COMP:20101, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:46858,
CC         ChEBI:CHEBI:61978, ChEBI:CHEBI:456216; EC=2.7.10.1;
CC         Evidence={ECO:0000256|ARBA:ARBA00051243,
CC         ECO:0000256|PIRNR:PIRNR500951};
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000256|ARBA:ARBA00004251};
CC       Single-pass type I membrane protein {ECO:0000256|ARBA:ARBA00004251}.
CC       Membrane {ECO:0000256|RuleBase:RU000311}; Single-pass type I membrane
CC       protein {ECO:0000256|RuleBase:RU000311}.
CC   -!- SIMILARITY: Belongs to the protein kinase superfamily. Tyr protein
CC       kinase family. CSF-1/PDGF receptor subfamily.
CC       {ECO:0000256|PIRNR:PIRNR500951, ECO:0000256|RuleBase:RU000311}.
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DR   RefSeq; XP_006198201.1; XM_006198139.3.
DR   AlphaFoldDB; A0A6I9HZW9; -.
DR   GeneID; 102528563; -.
DR   CTD; 3815; -.
DR   Proteomes; UP001652581; Chromosome 2.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0043235; C:receptor complex; IEA:TreeGrafter.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0019955; F:cytokine binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0019838; F:growth factor binding; IEA:TreeGrafter.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004714; F:transmembrane receptor protein tyrosine kinase activity; IEA:UniProtKB-EC.
DR   GO; GO:0030183; P:B cell differentiation; IEA:TreeGrafter.
DR   GO; GO:0016477; P:cell migration; IEA:UniProtKB-ARBA.
DR   GO; GO:0006935; P:chemotaxis; IEA:UniProtKB-ARBA.
DR   GO; GO:0038093; P:Fc receptor signaling pathway; IEA:UniProtKB-UniRule.
DR   GO; GO:0008406; P:gonad development; IEA:UniProtKB-ARBA.
DR   GO; GO:0002244; P:hematopoietic progenitor cell differentiation; IEA:TreeGrafter.
DR   GO; GO:0038109; P:Kit signaling pathway; IEA:InterPro.
DR   GO; GO:0070662; P:mast cell proliferation; IEA:UniProtKB-ARBA.
DR   GO; GO:0030335; P:positive regulation of cell migration; IEA:TreeGrafter.
DR   GO; GO:0002720; P:positive regulation of cytokine production involved in immune response; IEA:UniProtKB-ARBA.
DR   GO; GO:0046427; P:positive regulation of receptor signaling pathway via JAK-STAT; IEA:TreeGrafter.
DR   GO; GO:0042127; P:regulation of cell population proliferation; IEA:UniProtKB-ARBA.
DR   GO; GO:0050793; P:regulation of developmental process; IEA:UniProtKB-ARBA.
DR   CDD; cd00096; Ig; 1.
DR   CDD; cd05860; IgI_4_SCFR; 1.
DR   CDD; cd05104; PTKc_Kit; 1.
DR   FunFam; 1.10.510.10:FF:000177; Mast/stem cell growth factor receptor; 1.
DR   FunFam; 2.60.40.10:FF:000422; Mast/stem cell growth factor receptor; 1.
DR   FunFam; 2.60.40.10:FF:000429; Mast/stem cell growth factor receptor; 1.
DR   FunFam; 2.60.40.10:FF:000469; Mast/stem cell growth factor receptor; 1.
DR   FunFam; 2.60.40.10:FF:000544; Mast/stem cell growth factor receptor; 1.
DR   FunFam; 2.60.40.10:FF:000815; Mast/stem cell growth factor receptor; 1.
DR   FunFam; 3.30.200.20:FF:000025; Platelet-derived growth factor receptor alpha; 1.
DR   Gene3D; 2.60.40.10; Immunoglobulins; 5.
DR   Gene3D; 3.30.200.20; Phosphorylase Kinase, domain 1; 1.
DR   Gene3D; 1.10.510.10; Transferase(Phosphotransferase) domain 1; 1.
DR   InterPro; IPR007110; Ig-like_dom.
DR   InterPro; IPR036179; Ig-like_dom_sf.
DR   InterPro; IPR013783; Ig-like_fold.
DR   InterPro; IPR003599; Ig_sub.
DR   InterPro; IPR003598; Ig_sub2.
DR   InterPro; IPR013151; Immunoglobulin_dom.
DR   InterPro; IPR011009; Kinase-like_dom_sf.
DR   InterPro; IPR000719; Prot_kinase_dom.
DR   InterPro; IPR017441; Protein_kinase_ATP_BS.
DR   InterPro; IPR050122; RTK.
DR   InterPro; IPR027263; SCGF_receptor.
DR   InterPro; IPR001245; Ser-Thr/Tyr_kinase_cat_dom.
DR   InterPro; IPR008266; Tyr_kinase_AS.
DR   InterPro; IPR020635; Tyr_kinase_cat_dom.
DR   InterPro; IPR001824; Tyr_kinase_rcpt_3_CS.
DR   PANTHER; PTHR24416:SF46; MAST_STEM CELL GROWTH FACTOR RECEPTOR KIT; 1.
DR   PANTHER; PTHR24416; TYROSINE-PROTEIN KINASE RECEPTOR; 1.
DR   Pfam; PF00047; ig; 1.
DR   Pfam; PF25305; Ig_PDGFR_d4; 1.
DR   Pfam; PF07714; PK_Tyr_Ser-Thr; 1.
DR   PIRSF; PIRSF500951; SCGF_recepter; 1.
DR   PIRSF; PIRSF000615; TyrPK_CSF1-R; 1.
DR   SMART; SM00409; IG; 4.
DR   SMART; SM00408; IGc2; 2.
DR   SMART; SM00219; TyrKc; 1.
DR   SUPFAM; SSF48726; Immunoglobulin; 4.
DR   SUPFAM; SSF56112; Protein kinase-like (PK-like); 1.
DR   PROSITE; PS50835; IG_LIKE; 2.
DR   PROSITE; PS00107; PROTEIN_KINASE_ATP; 1.
DR   PROSITE; PS50011; PROTEIN_KINASE_DOM; 1.
DR   PROSITE; PS00109; PROTEIN_KINASE_TYR; 1.
DR   PROSITE; PS00240; RECEPTOR_TYR_KIN_III; 1.
PE   3: Inferred from homology;
KW   ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|PIRNR:PIRNR500951};
KW   Cell membrane {ECO:0000256|ARBA:ARBA00022475,
KW   ECO:0000256|PIRNR:PIRNR500951};
KW   Disulfide bond {ECO:0000256|ARBA:ARBA00023157};
KW   Glycoprotein {ECO:0000256|ARBA:ARBA00023180};
KW   Immunoglobulin domain {ECO:0000256|ARBA:ARBA00023319,
KW   ECO:0000256|RuleBase:RU000311};
KW   Kinase {ECO:0000256|ARBA:ARBA00022777, ECO:0000256|PIRNR:PIRNR500951};
KW   Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|PIRNR:PIRNR500951};
KW   Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|PIRNR:PIRNR500951};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW   ECO:0000256|PIRNR:PIRNR500951};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW   ECO:0000256|PIRNR:PIRNR500951};
KW   Phosphoprotein {ECO:0000256|ARBA:ARBA00022553};
KW   Receptor {ECO:0000256|ARBA:ARBA00023170, ECO:0000256|PIRNR:PIRNR500951};
KW   Reference proteome {ECO:0000313|Proteomes:UP001652581};
KW   Repeat {ECO:0000256|ARBA:ARBA00022737};
KW   Signal {ECO:0000256|ARBA:ARBA00022729, ECO:0000256|PIRNR:PIRNR500951};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PIRNR:PIRNR500951};
KW   Transmembrane {ECO:0000256|ARBA:ARBA00022692,
KW   ECO:0000256|PIRNR:PIRNR500951};
KW   Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW   ECO:0000256|PIRNR:PIRNR500951};
KW   Tyrosine-protein kinase {ECO:0000256|ARBA:ARBA00023137,
KW   ECO:0000256|PIRNR:PIRNR500951};
KW   Ubl conjugation {ECO:0000256|ARBA:ARBA00022843}.
FT   SIGNAL          1..25
FT                   /evidence="ECO:0000256|PIRNR:PIRNR500951"
FT   CHAIN           26..972
FT                   /note="Mast/stem cell growth factor receptor"
FT                   /evidence="ECO:0000256|PIRNR:PIRNR500951"
FT                   /id="PRO_5027204613"
FT   TRANSMEM        521..544
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|PIRNR:PIRNR500951"
FT   DOMAIN          212..308
FT                   /note="Ig-like"
FT                   /evidence="ECO:0000259|PROSITE:PS50835"
FT   DOMAIN          426..505
FT                   /note="Ig-like"
FT                   /evidence="ECO:0000259|PROSITE:PS50835"
FT   DOMAIN          585..933
FT                   /note="Protein kinase"
FT                   /evidence="ECO:0000259|PROSITE:PS50011"
FT   ACT_SITE        788
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-1"
FT   BINDING         564
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT   BINDING         592..599
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT   BINDING         619
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-2,
FT                   ECO:0000256|PROSITE-ProRule:PRU10141"
FT   BINDING         667..673
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT   BINDING         792
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT   BINDING         793
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT   BINDING         806
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT   SITE            932
FT                   /note="Important for interaction with phosphotyrosine-
FT                   binding proteins"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-4"
SQ   SEQUENCE   972 AA;  109091 MW;  90C4B2ACECC715AF CRC64;
     MRGARGAWDF LFVLLLLLRV HTGLSQPSGS PGGLSPPSIH PAKSELIVSV GDEIRLLCTD
     PGFVKWTFET LGQLSENRHA EWIMEKAEAT NTGNYTCTNK GGFSTSTYVF VRDPEKLFLV
     FLPLYGKEDS DTLVRCPLTD PEVTHYSLTG CEGKPLPKDL TFVADPKAGI TIRNVKREYH
     RLCLHCSANQ GGKSVLSQKF TLKVRAAIRA VPLVSVSKAS FLLREGEEFT VTCLIKDVSS
     SVDSMWIREN SQTKAQVKRN SWHQGDFNFL RQERLTVSSA RVNDSGVFMC YANNTFGSAN
     VTTTLEVVDK GFINIFPTMN TTVFVNDGEN VDLVVEYEAY PKPEHRQWVY MNRTFTDKWE
     DYPKSENESN IRYVSELHLT RLKGTEGGTY TFLVSNSDVS SSMTFNVYVN TKPEILTHDR
     LANGMLQCVA AGFPEPTIDW YFCPGTEQRC SVPIGPVDVQ IQNSSVSPFG KLVIHSSIDY
     SAFKHNGTVE CRAHNDVGKS SAFFNFAFKE QIQAHTLFTP LLIGFVIAAG IMCIIVMILT
     YKYLQKPMYE VQWKVVEEIN GNNYVYIDPT QLPYDHKWEF PRNRLSFGKT LGAGAFGKVV
     EATAYGLIKS DAAMTVAVKM LKPSAHLTER EALMSELKVL SYLGNHMNIV NLLGACTIGG
     PTLVITEYCC YGDLLNFLRR KRDSFICSKQ EDHAEAALYK NLLHSKESSC SDSTNEYMDM
     KPGVSYVVPT KADKRRPARI GSYIERDVTP AIMEDDELAL DLEDLLSFSY QVAKGMAFLA
     SKNCIHRDLA ARNILLTHGR ITKICDFGLA RDIKNDSNYV VKGNARLPVK WMAPESIFNC
     VYTFESDVWS YGIFLWELFS LGSSPYPGMP VDSKFYKMIK EGFRMLSPEH APAEMYDIMK
     TCWDADPLKR PTFKQIVQLI EKQISESTNH IYSNLANGSP HRENPVLDHS VRINSVGSSA
     SSTQPLLVHE DV
//
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