ID A0A8C5SUE5_LATLA Unreviewed; 872 AA.
AC A0A8C5SUE5;
DT 19-JAN-2022, integrated into UniProtKB/TrEMBL.
DT 19-JAN-2022, sequence version 1.
DT 28-JAN-2026, entry version 21.
DE RecName: Full=receptor protein-tyrosine kinase {ECO:0000256|ARBA:ARBA00011902};
DE EC=2.7.10.1 {ECO:0000256|ARBA:ARBA00011902};
DE AltName: Full=Tyrosine-protein kinase Kit {ECO:0000256|ARBA:ARBA00032147};
GN Name=KIT {ECO:0000313|Ensembl:ENSLLTP00000023708.1};
OS Laticauda laticaudata (Blue-ringed sea krait) (Blue-lipped sea krait).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Lepidosauria; Squamata; Bifurcata; Unidentata; Episquamata; Toxicofera;
OC Serpentes; Colubroidea; Elapidae; Laticaudinae; Laticauda.
OX NCBI_TaxID=8630 {ECO:0000313|Ensembl:ENSLLTP00000023708.1, ECO:0000313|Proteomes:UP000694406};
RN [1] {ECO:0000313|Ensembl:ENSLLTP00000023708.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (AUG-2025) to UniProtKB.
RN [2] {ECO:0000313|Ensembl:ENSLLTP00000023708.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (SEP-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 -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000256|ARBA:ARBA00004251};
CC Single-pass type I membrane protein {ECO:0000256|ARBA:ARBA00004251}.
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DR AlphaFoldDB; A0A8C5SUE5; -.
DR Ensembl; ENSLLTT00000024569.1; ENSLLTP00000023708.1; ENSLLTG00000011134.1.
DR GeneTree; ENSGT00940000155626; -.
DR Proteomes; UP000694406; Unplaced.
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:InterPro.
DR GO; GO:0019838; F:growth factor binding; IEA:TreeGrafter.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
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:0038093; P:Fc receptor signaling pathway; IEA:InterPro.
DR GO; GO:0002244; P:hematopoietic progenitor cell differentiation; IEA:TreeGrafter.
DR GO; GO:0038109; P:Kit signaling pathway; IEA:InterPro.
DR GO; GO:0030335; P:positive regulation of cell migration; IEA:TreeGrafter.
DR GO; GO:0046427; P:positive regulation of receptor signaling pathway via JAK-STAT; IEA:TreeGrafter.
DR FunFam; 2.60.40.10:FF:000422; Mast/stem cell growth factor receptor; 1.
DR FunFam; 2.60.40.10:FF:000469; Mast/stem cell growth factor receptor; 1.
DR FunFam; 3.30.200.20:FF:000025; Platelet-derived growth factor receptor alpha; 1.
DR FunFam; 1.10.510.10:FF:001927; Receptor protein-tyrosine kinase; 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; 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; 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; PF13927; Ig_3; 1.
DR Pfam; PF25305; Ig_PDGFR_d4; 1.
DR Pfam; PF07714; PK_Tyr_Ser-Thr; 1.
DR Pfam; PF00069; Pkinase; 1.
DR PIRSF; PIRSF500951; SCGF_recepter; 1.
DR PIRSF; PIRSF000615; TyrPK_CSF1-R; 1.
DR PRINTS; PR00109; TYRKINASE.
DR SMART; SM00409; IG; 4.
DR SMART; SM00408; IGc2; 3.
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; PS00240; RECEPTOR_TYR_KIN_III; 1.
PE 4: Predicted;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|PIRSR:PIRSR000615-
KW 2}; Cell membrane {ECO:0000256|ARBA:ARBA00022475};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157};
KW Glycoprotein {ECO:0000256|ARBA:ARBA00023180};
KW Immunoglobulin domain {ECO:0000256|ARBA:ARBA00023319};
KW Kinase {ECO:0000256|ARBA:ARBA00022777};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|PIRSR:PIRSR000615-3};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR000615-3};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|PIRSR:PIRSR000615-2};
KW Phosphoprotein {ECO:0000256|ARBA:ARBA00022553};
KW Receptor {ECO:0000256|ARBA:ARBA00023170};
KW Reference proteome {ECO:0000313|Proteomes:UP000694406};
KW Repeat {ECO:0000256|ARBA:ARBA00022737};
KW Signal {ECO:0000256|ARBA:ARBA00022729};
KW Transferase {ECO:0000256|ARBA:ARBA00022679};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius};
KW Tyrosine-protein kinase {ECO:0000256|ARBA:ARBA00023137};
KW Ubl conjugation {ECO:0000256|ARBA:ARBA00022843}.
FT TRANSMEM 471..494
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 161..252
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 359..452
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 535..834
FT /note="Protein kinase"
FT /evidence="ECO:0000259|PROSITE:PS50011"
FT BINDING 514
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT BINDING 542..549
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 569
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2,
FT ECO:0000256|PROSITE-ProRule:PRU10141"
FT BINDING 617..623
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT SITE 833
FT /note="Important for interaction with phosphotyrosine-
FT binding proteins"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-4"
SQ SEQUENCE 872 AA; 97991 MW; CA3CF1F773821F3C CRC64;
FKLTCTNDDP VTWTFYSADP FTRLKNFKTK EVHVTQARPT DTGTYLCKSK KNSNSSVYVF
VKDPAVLFFH RPTIFGREDS DALIICPVTD PDVSNFTLKR CRPKPLPENM TLVPDPQKGI
TIKHVQRSFL GCYRCVAQQH GVEKSSKDIT LAVRPVHKSL PSITLSKTNQ LLKEGEEFEV
TCTIRDIDSF LQTDWIFQGN ASLSRKSKNV RDYEYEQKLR LSIRSVGVND SGAFTCQATN
AFGTSNVTVT LNVIGKGYIS LSTSTNTTLY VNDGESLGLV VMYEAYPKPE EEMWLYMNET
LQNSSDHYVR VTNIDKNSYS SELHLTRLKE MEGGLYTFFV SNSDANSSIT FNVYVNTKPE
IVTSERLSNG MLLCVATGYP APTISWYVCP ATEQRCPDSP NVSPVNVKTK YKDSTFSSFG
KIIVESTIDT SMFKSNSTIT CEASNTIDKR SAFFNFAIKE QENSRSLFTP LLIGFGVAAG
LMCVIVIILV CKYLQKPKYE VQWKVVDEIN GNNYIYIDPT QLPYDEKWEF PRNCLSFGKI
LGAGAFGKVV EATAYGLFKP DGTTRVAVKM LKSSAHFTEK EALMSELKVL SYLGNHINIV
NLLGACTVGG PTLVITEYCC YGDLLNFLRR KRDSFICQRP EETAVYKNIL YQKEHMYDAT
NEYMDMKPGV SQVVHAKTTK RLGSLANQDV TVAILEDDEL ALDVEDLLSF SYQVAKGMSF
LSSKNARLPV KWMAPESIFE CVYTFESDVW SYGILLWELF SLGSSPYPGM PVDSKFYKNI
KEGYRMFSPE YAPPEIFNIM KSCWDADPVK RPTFKQIVQL IEQQISDTTS HIYSNVSNSI
SSQGNATDHS VRINSVGSSS SSTQPLLTHE DV
//