UniProt: A0A2Y9I6X6

Database: UniProt
Entry: A0A2Y9I6X6_NEOSC

LinkDB:  A0A2Y9I6X6_NEOSC 
Original site:  A0A2Y9I6X6_NEOSC

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Ontology (20)   
   GO (20)   
Chemical reaction (1)   
   KEGG ENZYME (1)   
Gene (1)   
   NCBI-Gene (1)   
Protein sequence (1)   
   RefSeq(pep) (1)   
Protein domain (26)   
   InterPro (15)   
   Pfam (3)   
   PROSITE (5)   
   SMART (3)   
All databases (49)   

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ID   A0A2Y9I6X6_NEOSC        Unreviewed;       973 AA.
AC   A0A2Y9I6X6;
DT   12-SEP-2018, integrated into UniProtKB/TrEMBL.
DT   12-SEP-2018, sequence version 1.
DT   28-JAN-2026, entry version 37.
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_021557320.1};
OS   Neomonachus schauinslandi (Hawaiian monk seal) (Monachus schauinslandi).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Laurasiatheria; Carnivora; Caniformia; Pinnipedia; Phocidae;
OC   Monachinae; Monachini; Neomonachus.
OX   NCBI_TaxID=29088 {ECO:0000313|Proteomes:UP000248481, ECO:0000313|RefSeq:XP_021557320.1};
RN   [1] {ECO:0000313|RefSeq:XP_021557320.1}
RP   IDENTIFICATION.
RC   TISSUE=Blood {ECO:0000313|RefSeq:XP_021557320.1};
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_021557320.1; XM_021701645.1.
DR   AlphaFoldDB; A0A2Y9I6X6; -.
DR   GeneID; 110590818; -.
DR   CTD; 3815; -.
DR   Proteomes; UP000248481; 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; 3.
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:UP000248481};
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..973
FT                   /note="Mast/stem cell growth factor receptor"
FT                   /evidence="ECO:0000256|PIRNR:PIRNR500951"
FT                   /id="PRO_5015802641"
FT   TRANSMEM        522..545
FT                   /note="Helical"
FT                   /evidence="ECO:0000256|PIRNR:PIRNR500951"
FT   DOMAIN          212..309
FT                   /note="Ig-like"
FT                   /evidence="ECO:0000259|PROSITE:PS50835"
FT   DOMAIN          414..508
FT                   /note="Ig-like"
FT                   /evidence="ECO:0000259|PROSITE:PS50835"
FT   DOMAIN          586..934
FT                   /note="Protein kinase"
FT                   /evidence="ECO:0000259|PROSITE:PS50011"
FT   ACT_SITE        789
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-1"
FT   BINDING         565
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT   BINDING         593..600
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT   BINDING         620
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-2,
FT                   ECO:0000256|PROSITE-ProRule:PRU10141"
FT   BINDING         668..674
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT   BINDING         793
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT   BINDING         794
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT   BINDING         807
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT   SITE            933
FT                   /note="Important for interaction with phosphotyrosine-
FT                   binding proteins"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000615-4"
SQ   SEQUENCE   973 AA;  109489 MW;  E56D8337C6F2977D CRC64;
     MRGARGAWDF LCVLLILFRV QTGSSQPSVS PGELSLPSIH PAKSELIVSV GDEIRLLCTD
     PGFVKWTFET PGQLSENTRN EWITEKAEAA NTGNYTCTNR DGLSRSIYVF VRDPAQLFLI
     DLRLYGKEDN DTLVRCPLTD PEVTNYSLRG CEGKPLPKDL TFVTDPKAGI TIRHVKREYH
     RLCLHCSADQ KGKSVLSTKF TLKVRAAIRA VPAVSVSKAS SLLREGEEFS VMCLVKDVSS
     SVDSMWIKEN SQQTNAQTQS NSWHQGDFNF VRQERLTISS ARVNDSGVFM CYANNTFGSA
     NVTTTLEVVD RGFINIFPMM NTTIFVNDGE NVDLIVEYEA YPKPEHQQWI YMNRTFTDKW
     EDYPKSDNES NIRYVSELHL TRLKGNEGGT YTFQVSNSDV NSSVTFNVYV NTKPEILTHE
     SLVNGMLQCV VAGFPEPTVD WYFCPGTEQR CSIPVGPMDV QMQNSSVSPS GKLVVQSSID
     YSAFKHNGTV ECRAYNNVGR SSAFFNFAFK EQIHPHTLFT PLLIGFVIAA GMMCIIVMIL
     TYKYLQKPMY EVQWKVVEEI NGNNYVYIDP TQLPYDHKWE FPRNRLSFGK TLGAGAFGKV
     VEATAYGLIK SDAAMTVAVK MLKPSAHLTE REALMSELKV LSYLGNHMNI VNLLGACTVG
     GPTLVITEYC CYGDLLNFLR RKRDSFICSK QEDHAEVALY KNLLHSKESS CNDSTNEYMD
     MKPGVSYVVP TKADKRRSAR IGSYIERDVT PAIMEDDELA LDLEDLLSFS YQVAKGMAFL
     ASKNCIHRDL AARNILLTHG RITKICDFGL ARDIKNDSNY VVKGNARLPV KWMAPESIFN
     CVYTFESDVW SYGIFLWELF SLGSSPYPGM PVDSKFYKMI KEGFRMLSPE HAPAEMYDIM
     KTCWDADPLK RPTFKQIVQL IEKQISDSTN HIYSNLANCS PHQERPVVDH SVRINSVGSS
     ASSTQPLLVH EDV
//

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