ID A0A6Q2X3I7_ESOLU Unreviewed; 811 AA.
AC A0A6Q2X3I7;
DT 02-DEC-2020, integrated into UniProtKB/TrEMBL.
DT 05-FEB-2025, sequence version 2.
DT 28-JAN-2026, entry version 23.
DE RecName: Full=receptor protein-tyrosine kinase {ECO:0000256|ARBA:ARBA00011902};
DE EC=2.7.10.1 {ECO:0000256|ARBA:ARBA00011902};
OS Esox lucius (Northern pike).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Protacanthopterygii; Esociformes;
OC Esocidae; Esox.
OX NCBI_TaxID=8010 {ECO:0000313|Ensembl:ENSELUP00000048569.2, ECO:0000313|Proteomes:UP000265140};
RN [1] {ECO:0000313|Proteomes:UP000265140}
RP NUCLEOTIDE SEQUENCE.
RX PubMed=25069045;
RA Rondeau E.B., Minkley D.R., Leong J.S., Messmer A.M., Jantzen J.R.,
RA von Schalburg K.R., Lemon C., Bird N.H., Koop B.F.;
RT "The genome and linkage map of the northern pike (Esox lucius): conserved
RT synteny revealed between the salmonid sister group and the Neoteleostei.";
RL PLoS ONE 9:e102089-e102089(2014).
RN [2] {ECO:0000313|Ensembl:ENSELUP00000048569.2}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA Myers G., Karagic N., Meyer A., Pippel M., Reichard M., Winkler S.,
RA Tracey A., Sims Y., Howe K., Rhie A., Formenti G., Durbin R., Fedrigo O.,
RA Jarvis E.D.;
RT "Esox lucius (northern pike) genome, fEsoLuc1, primary haplotype.";
RL Submitted (FEB-2020) to the EMBL/GenBank/DDBJ databases.
RN [3] {ECO:0000313|Ensembl:ENSELUP00000048569.2}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (AUG-2025) to UniProtKB.
RN [4] {ECO:0000313|Ensembl:ENSELUP00000048569.2}
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}.
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|RuleBase:RU000311}.
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DR AlphaFoldDB; A0A6Q2X3I7; -.
DR Ensembl; ENSELUT00000052331.2; ENSELUP00000048569.2; ENSELUG00000009687.3.
DR GeneTree; ENSGT00940000155626; -.
DR Proteomes; UP000265140; Chromosome 25.
DR Bgee; ENSELUG00000009687; Expressed in camera-type eye and 11 other cell types or tissues.
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: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:0001667; P:ameboidal-type cell migration; IEA:UniProtKB-ARBA.
DR GO; GO:0030183; P:B cell differentiation; IEA:TreeGrafter.
DR GO; GO:0002244; P:hematopoietic progenitor cell differentiation; IEA:TreeGrafter.
DR GO; GO:0038109; P:Kit signaling pathway; IEA:TreeGrafter.
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 CDD; cd00096; Ig; 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; 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:SF599; MAST_STEM CELL GROWTH FACTOR RECEPTOR; 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; PF21339; VEGFR-1-like_Ig-like; 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; 3.
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|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 ECO:0000256|RuleBase:RU000311}; Kinase {ECO:0000256|ARBA:ARBA00022777};
KW Magnesium {ECO:0000256|PIRSR:PIRSR000615-3};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Metal-binding {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, ECO:0000256|RuleBase:RU000311};
KW Reference proteome {ECO:0000313|Proteomes:UP000265140};
KW Repeat {ECO:0000256|ARBA:ARBA00022737};
KW Transferase {ECO:0000256|ARBA:ARBA00022679};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692,
KW ECO:0000256|RuleBase:RU000311};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius};
KW Tyrosine-protein kinase {ECO:0000256|ARBA:ARBA00023137}.
FT TRANSMEM 505..529
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 12..94
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 199..279
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 390..492
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 573..811
FT /note="Protein kinase"
FT /evidence="ECO:0000259|PROSITE:PS50011"
FT ACT_SITE 755
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-1"
FT BINDING 552
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT BINDING 580..587
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 607
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2,
FT ECO:0000256|PROSITE-ProRule:PRU10141"
FT BINDING 655..661
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 759
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 760
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT BINDING 773
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
SQ SEQUENCE 811 AA; 90993 MW; 24559309AD8E862A CRC64;
MGVACFTGWS NPVISPRGAH LVVPKGGVLE LRCHDDNTTT HRGLRWQRER GRRLEGEVEE
AGGAVSIRVA SALGYHMGRY TCINNSTKEH SSIYVYIRDP QSPFQRSMVN GILVREGEEL
ILPCLVTDPE VTLITLQTCD RNPLPSGLHY HADPQRGITI GNARKEYEGC YECEGQLGGD
TVRSSQYTVD VRLVPEHPPK ISVSQSERVI LRRGEPFEIS CSSSNLNPDF SVEWDVPVGA
VRLAPVKLHA RIKSQRSASV WVTSVNQSDA GTYRCHAQNE RGSNCMCVFV PPERGFISIL
GDSRPTPSTV REGESLSLRV ELEAYPRPSA LSWSYNGKTL HNGTGHVITI YRHRYRYVSE
LRLVRVLGSE GGIYMFLANH KDASVNRSFP VYVNSKPVII SQEGPVDGQV RCVAAGYPTP
KITWFYCEPP HTRCSHLTNT TQWEQKEADT ETVSHTSFGR SRVESRLNVT KELMRYGTLE
CVASAQGEEA FSLFSVRERT VPHQLFTPLL SGVVVTAVGL SVLLVMLLYK YLQKPKFQIQ
WKVIDSIHGN NYVYIDPTQL PYDPKWEFPR QKLRFGKTLG SGAFGKVVRA TAYGLCSADS
VTTVAVKMLK PSAHSTEKEA LMSELKVLSY LGNHINIVNL LGACTVGGPT LVITEYCCYG
DLLNFLRRKR ESFFSAQVSD GYYRNVPDPR EPQRDGDVGY VPMRSFDKER LSSQSDKDCL
SLDELSVDTE DLLSFSYQVA KGMEYISSKN CIHRDLAARN ILLTQGRVAK ICDFGLARDI
NTDSNYILLS ENTRNVRRRV RQQQGYFRKK I
//
