ID A0A8C9Z6E5_SANLU Unreviewed; 963 AA.
AC A0A8C9Z6E5;
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=Mast/stem cell growth factor receptor {ECO:0000256|PIRNR:PIRNR500951};
DE EC=2.7.10.1 {ECO:0000256|PIRNR:PIRNR500951};
GN Name=kita {ECO:0000313|Ensembl:ENSSLUP00000036521.1};
OS Sander lucioperca (Pike-perch) (Perca lucioperca).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC Eupercaria; Perciformes; Percoidei; Percidae; Luciopercinae; Sander.
OX NCBI_TaxID=283035 {ECO:0000313|Ensembl:ENSSLUP00000036521.1, ECO:0000313|Proteomes:UP000694568};
RN [1] {ECO:0000313|Ensembl:ENSSLUP00000036521.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (AUG-2025) to UniProtKB.
RN [2] {ECO:0000313|Ensembl:ENSSLUP00000036521.1}
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 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 AlphaFoldDB; A0A8C9Z6E5; -.
DR Ensembl; ENSSLUT00000037663.1; ENSSLUP00000036521.1; ENSSLUG00000016300.1.
DR GeneTree; ENSGT00940000155626; -.
DR Proteomes; UP000694568; 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: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:0038093; P:Fc receptor signaling pathway; IEA:UniProtKB-UniRule.
DR GO; GO:0002244; P:hematopoietic progenitor cell differentiation; IEA:TreeGrafter.
DR GO; GO:0038109; P:Kit signaling pathway; IEA:InterPro.
DR GO; GO:0030318; P:melanocyte differentiation; IEA:UniProtKB-ARBA.
DR GO; GO:0097324; P:melanocyte migration; IEA:UniProtKB-ARBA.
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; 1.10.510.10:FF:000177; 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; 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; PF13927; Ig_3; 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; 1.
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:UP000694568};
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..21
FT /evidence="ECO:0000256|PIRNR:PIRNR500951"
FT CHAIN 22..963
FT /note="Mast/stem cell growth factor receptor"
FT /evidence="ECO:0000256|PIRNR:PIRNR500951"
FT /id="PRO_5034452102"
FT TRANSMEM 495..519
FT /note="Helical"
FT /evidence="ECO:0000256|PIRNR:PIRNR500951"
FT DOMAIN 203..295
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 563..906
FT /note="Protein kinase"
FT /evidence="ECO:0000259|PROSITE:PS50011"
FT REGION 698..726
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 915..940
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 761
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-1"
FT BINDING 542
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT BINDING 570..577
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 597
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2,
FT ECO:0000256|PROSITE-ProRule:PRU10141"
FT BINDING 645..651
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 765
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 766
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT BINDING 779
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT SITE 905
FT /note="Important for interaction with phosphotyrosine-
FT binding proteins"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-4"
SQ SEQUENCE 963 AA; 108591 MW; 95B484D56CA35AB6 CRC64;
MEYHWILLTV FLQLTFHPGN TKPTITPVGP HLVVPLNAPF ELFCQGEKEM QWQREDRPKV
RGEKKSAGMS SLHIPRAQPV HMGRYICLEE SSKEQISIYV YVKDPDNPFR KSMVFNILTR
VGDNASISCL ATDPSLDNLR LETCSSRALA SGLQFTASLE QGILIHNTQK AYEGCYVCTG
RLREEYVRSH DYYLTVRPVP VAPPVIEMAT KRVILTRDES LSLTCNTSNV NGEITLKWVT
PPGSVDGASR ILTEDFTHVR SATLHNAAVG HQDAGRYQCE AQNERGTSSQ SVWLDVYEKG
FINLTPTINE TIQVRSGESL PLNVDMEAYP KPHTFSWSFM GRELRNTSDH VITTHSHEYS
KIKIKETLYS LLFKSDLTYC DINLCLLGKP EIVSREGPVD GQVRCVAEGF PAPQITWYYC
EQPYARCSQQ VNATQEERNV ITVTLFSPLF GKTEVESRVN VSRGRFSTLE CVATVEGEQA
YTLFSISERT VPHDLFTPLL IGSVSAACIL CLVLIMLFYK YMQKPKYQIQ WKVIEGIHGN
NYVYIDPTQL PYDHQWEFPR NNLRFGKTLG SGAFGKVVEA TAYGLSEADS VMTVAVKMLK
TSAHATEKEA LMSELKVLSY LGNHMNIVNL LGACTVGGPT LVITEYCCFG DLLNFLRRKR
ESFICYKLEE DCYYRNVMPQ RDAAGLNGYM SMRPSAAGNL PFSSSSEKRR SLRKGKPGTD
AESEMFDEDG LSLDTEDLLS FSHQVAKGME FLAAKNCIHR DLAARNILLT QGRVAKICDF
GLARDINTDS NYVVKGNARL PVKWMSPESI FECVYTFESD VWSYGILLWE IFSLGNSPYP
GMPVDAKFYK LIKEGYRMDA PEFAPSEMYQ IMRSCWDADP FNRPPFRKVV ERIEQQLSDA
TKHIYLNFSS KLPVTPRARE GPSPQSAPFH RLNSASSNSG PTQPLLLQHE VFLEGTTLRA
QRV
//
