ID A0A8C3KHS3_9CHAR Unreviewed; 961 AA.
AC A0A8C3KHS3;
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};
OS Calidris pygmaea (Spoon-billed sandpiper).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Archelosauria; Archosauria; Dinosauria; Saurischia; Theropoda;
OC Coelurosauria; Aves; Neognathae; Neoaves; Charadriiformes; Scolopacidae;
OC Calidris.
OX NCBI_TaxID=425635 {ECO:0000313|Ensembl:ENSCPGP00000024056.1, ECO:0000313|Proteomes:UP000694419};
RN [1] {ECO:0000313|Ensembl:ENSCPGP00000024056.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (AUG-2025) to UniProtKB.
RN [2] {ECO:0000313|Ensembl:ENSCPGP00000024056.1}
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}.
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; A0A8C3KHS3; -.
DR Ensembl; ENSCPGT00000026285.1; ENSCPGP00000024056.1; ENSCPGG00000016614.1.
DR Proteomes; UP000694419; Unplaced.
DR GO; GO:1990682; C:CSF1-CSF1R complex; IEA:TreeGrafter.
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:0005011; F:macrophage colony-stimulating factor receptor activity; IEA:TreeGrafter.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0007169; P:cell surface receptor protein tyrosine kinase signaling pathway; IEA:InterPro.
DR GO; GO:0030316; P:osteoclast differentiation; IEA:TreeGrafter.
DR GO; GO:0030335; P:positive regulation of cell migration; IEA:TreeGrafter.
DR GO; GO:0043408; P:regulation of MAPK cascade; IEA:TreeGrafter.
DR FunFam; 2.60.40.10:FF:001169; Macrophage colony-stimulating factor 1 receptor; 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; IPR030658; CSF-1_receptor.
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; 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; 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:SF47; MACROPHAGE COLONY-STIMULATING FACTOR 1 RECEPTOR; 1.
DR PANTHER; PTHR24416; TYROSINE-PROTEIN KINASE RECEPTOR; 1.
DR Pfam; PF07679; I-set; 1.
DR Pfam; PF00047; ig; 1.
DR Pfam; PF25305; Ig_PDGFR_d4; 1.
DR Pfam; PF07714; PK_Tyr_Ser-Thr; 1.
DR PIRSF; PIRSF500947; CSF-1_receptor; 1.
DR PIRSF; PIRSF000615; TyrPK_CSF1-R; 1.
DR SMART; SM00409; IG; 4.
DR SMART; SM00408; IGc2; 3.
DR SMART; SM00219; TyrKc; 1.
DR SUPFAM; SSF48726; Immunoglobulin; 5.
DR SUPFAM; SSF56112; Protein kinase-like (PK-like); 1.
DR PROSITE; PS50835; IG_LIKE; 4.
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 Developmental protein {ECO:0000256|ARBA:ARBA00022473};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157,
KW ECO:0000256|PIRSR:PIRSR500947-52};
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:UP000694419};
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 501..525
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 14..84
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 93..181
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 191..283
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 390..491
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 569..912
FT /note="Protein kinase"
FT /evidence="ECO:0000259|PROSITE:PS50011"
FT REGION 713..741
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 717..728
FT /note="Low complexity"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 776
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-1"
FT BINDING 548
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT BINDING 575..583
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-51"
FT BINDING 576..583
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 603
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2,
FT ECO:0000256|PROSITE-ProRule:PRU10141"
FT BINDING 651..657
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 780
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 781
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT BINDING 794
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT SITE 920
FT /note="Important for interaction with phosphotyrosine-
FT binding proteins"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-4"
FT DISULFID 35..73
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-52"
FT DISULFID 116..166
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-52"
FT DISULFID 213..267
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-52"
FT DISULFID 407..472
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-52"
SQ SEQUENCE 961 AA; 107407 MW; F1B20E1562B3C37A CRC64;
MGTWLLVVEG SASPVISPDL PALVVNTGDP VTLRCSGDSE VEWEGRKDTF SNHSSSTLSI
PKATYRDTGT YKCAYVNSSD KGIATVHLFV RDPNNVWNVP NFRTFVIKGD SAELPCLITA
PEYGSSVTLI RDDASPLSPE TSYSFSTERG ITLYNVQSKQ KGYYRCQAVI NGKTEKSSKI
RLIVEEALEK PVSVMMDPVD HVRIVGERFE VTCRVTAPSH KYDIRWVTAA KSVRRAKKSS
YENENYFISD TLSVPAVTME DSGKYTCVAN NSAGVRNAST MLQVVESGYV FLTPVQATSQ
EVALGESLNL QVHIEAYPKL LYWGWEHTNP LKNSGSTTFK GQMMFGNNWY NNTLFLNRLQ
EEEGGLYTFY ALNNETNASV TFSISMKSPP RVCKIKVPAN DSSILQCMAI GYPAPRIEWY
QCPIHSDRYN ENYRLLLNDS SPHVVNTLPF REVEVESVVP FQELGANFTF CCVAINREGN
ASDMFHSLTI TRSIMAPPNK LFSPILSTCI GTSVLLLLLL LFLLYKYNQK PKYQVRWKII
EACEGNNYIF IDPTQLPYNE KWEFPRNNLQ FGKTLGAGAF GKVVEATAFG LGKEDSVLKV
AVKMLKSSAD TDEQEALMSE LKIMSHLGHH ENIVNLLGAC THGGPILVIT EYCRYGDLLN
FLRKKAESII IQDSALDTSL DSTADYKNVD VEKKYIRSDS GFSSQGLETY VEMRPVSSSS
SSASSDSAQA RGKNSEEEDE IREDLRPLNL SDLLQFSSQV AQGMAFLASK NCIHRDLAAR
NVLVSDGRVA KICDFGLARD IMNDSNYVVK GNARLPVKWM APESIFDCIY TVQSDVWSYG
ILLWEIFSLG KSPYPGMVVN SKFYSMVKQG YQMARPDFAP LKMYNIMQAC WSLEPTQRPT
FDQIGCFIQQ ELEVHKEQDY TNLPTAAEED SGCDTSGCCE ESCEQEESGQ PLLKSNNYQF
C
//
