ID A0A3P9Q4V5_POERE Unreviewed; 979 AA.
AC A0A3P9Q4V5;
DT 13-FEB-2019, integrated into UniProtKB/TrEMBL.
DT 13-FEB-2019, sequence version 1.
DT 28-JAN-2026, entry version 33.
DE RecName: Full=Mast/stem cell growth factor receptor {ECO:0000256|PIRNR:PIRNR500951};
DE EC=2.7.10.1 {ECO:0000256|PIRNR:PIRNR500951};
OS Poecilia reticulata (Guppy) (Acanthophacelus reticulatus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC Ovalentaria; Atherinomorphae; Cyprinodontiformes; Poeciliidae; Poeciliinae;
OC Poecilia.
OX NCBI_TaxID=8081 {ECO:0000313|Ensembl:ENSPREP00000029034.1, ECO:0000313|Proteomes:UP000242638};
RN [1] {ECO:0000313|Proteomes:UP000242638}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=Guanapo {ECO:0000313|Proteomes:UP000242638};
RA Kuenstner A., Dreyer C.;
RT "The genomic landscape of the Guanapo guppy.";
RL Submitted (NOV-2013) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|Ensembl:ENSPREP00000029034.1}
RP IDENTIFICATION.
RC STRAIN=Guanapo {ECO:0000313|Ensembl:ENSPREP00000029034.1};
RG Ensembl;
RL Submitted (AUG-2025) to UniProtKB.
RN [3] {ECO:0000313|Ensembl:ENSPREP00000029034.1}
RP IDENTIFICATION.
RC STRAIN=Guanapo {ECO:0000313|Ensembl:ENSPREP00000029034.1};
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; A0A3P9Q4V5; -.
DR STRING; 8081.ENSPREP00000029034; -.
DR Ensembl; ENSPRET00000029355.1; ENSPREP00000029034.1; ENSPREG00000019556.1.
DR GeneTree; ENSGT00940000155626; -.
DR OMA; CDSTNEY; -.
DR Proteomes; UP000242638; Unassembled WGS sequence.
DR Bgee; ENSPREG00000019556; Expressed in caudal fin and 1 other cell type or tissue.
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:0014831; P:gastro-intestinal system smooth muscle contraction; IEA:Ensembl.
DR GO; GO:0002244; P:hematopoietic progenitor cell differentiation; IEA:TreeGrafter.
DR GO; GO:0038109; P:Kit signaling pathway; IEA:InterPro.
DR GO; GO:1902362; P:melanocyte apoptotic process; IEA:Ensembl.
DR GO; GO:0030318; P:melanocyte differentiation; IEA:Ensembl.
DR GO; GO:0097324; P:melanocyte migration; IEA:Ensembl.
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 GO; GO:0048865; P:stem cell fate commitment; IEA:Ensembl.
DR CDD; cd00099; IgV; 1.
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; IPR013098; Ig_I-set.
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; PF07679; I-set; 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; 4.
DR SMART; SM00408; IGc2; 1.
DR SMART; SM00219; TyrKc; 1.
DR SUPFAM; SSF48726; Immunoglobulin; 3.
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:UP000242638};
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..979
FT /note="Mast/stem cell growth factor receptor"
FT /evidence="ECO:0000256|PIRNR:PIRNR500951"
FT /id="PRO_5017856822"
FT TRANSMEM 507..531
FT /note="Helical"
FT /evidence="ECO:0000256|PIRNR:PIRNR500951"
FT DOMAIN 204..296
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 575..922
FT /note="Protein kinase"
FT /evidence="ECO:0000259|PROSITE:PS50011"
FT ACT_SITE 777
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-1"
FT BINDING 554
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT BINDING 582..589
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 609
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2,
FT ECO:0000256|PROSITE-ProRule:PRU10141"
FT BINDING 657..663
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 781
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 782
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT BINDING 795
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT SITE 921
FT /note="Important for interaction with phosphotyrosine-
FT binding proteins"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-4"
SQ SEQUENCE 979 AA; 109762 MW; D47259C9BAE2DB0E CRC64;
MEYLWILLFV FLQLSFHPGN TKPTIIPNQT QLVVPLNHPL DLRCKSENKT QWWRESRQRP
LKTSLIDGMR RVFQLKALSV HSGRYLCRDE KSSEEASIFV FVKDPENPFR KSLLNSILIR
EGHNADIPCL ATDPSMLNLT LETCSGEALP AGLHYSTSLE QGIIIQNAKL TYGGCYVCTG
RLEGRAVKSE KYSLTVKKVP LGPPEIQMQH PRRIILTRNE NLLITCNATN VNGKFSVNWV
APPGSQPAKV DVDARILTKD YTHASSVTLQ IESVRPQDAG SYKCVAGNDK GNSTMSVWLD
VYERGFISSA EIHNRTFHVR VGDSLSLNVS MEAYPKPRAA SWSFMGENLR NTSDHVITTH
SRDYSYISEL RLVRLKATEG GIYTFEASNG DAAVKQNFSV FVISKPAIID HGGPVDGQVH
CVAEGYPAPQ IKWYYCEKHA VRCSLQKNAT QEERSVMTVM SGSTSFGKRV ESWVNVRTQF
STLECVATGD GEQAYILFSI TEERHGLFTP LLIGFISAAG ILCLIVILLL YKYMQKPKYQ
VQWKVIEGIH GNSYVYIDPT QLPYNHQWEF PRNNLRFGKT LGSGAFGKVV EATAYGLSNA
DSVMTVAVKM LKSSAHSTEK EALMSELKVL SYLGNHINIV NLLGACTVGG PTLVITEYCC
FGDLLNFLRR KRESFSTCEL KENYFYRNFI QKRAADGDSL NGYMSMRPSV AGNSPSISSS
ERRQSLRKDG LYLEADADGE MFDEDDLSLD TEDLLSFSYQ VAKGMEFLAS KNCIHRDLAA
RNILLTQGRV AKICDFGLAR DITTDSNYVV KGNARLPVKW MSPESIFECV YTFESDVWSY
GILLWEIFSL GNSPYPGMPV DAKFYKQIKE GYRMDAPEFA PTDMYQIMSS CWDADPFKRP
PFTKVVESIE QQLSHAAKHI YLNFSSRLPV LPRAREESSS QSTATLSSFS ASSKSAPTQP
LLVQHEVFVE GTILQAQWV
//
