ID A0A3Q2E102_CYPVA Unreviewed; 978 AA.
AC A0A3Q2E102;
DT 10-APR-2019, integrated into UniProtKB/TrEMBL.
DT 10-APR-2019, sequence version 1.
DT 28-JAN-2026, entry version 36.
DE RecName: Full=receptor protein-tyrosine kinase {ECO:0000256|ARBA:ARBA00011902};
DE EC=2.7.10.1 {ECO:0000256|ARBA:ARBA00011902};
OS Cyprinodon variegatus (Sheepshead minnow).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC Ovalentaria; Atherinomorphae; Cyprinodontiformes; Cyprinodontidae;
OC Cyprinodon.
OX NCBI_TaxID=28743 {ECO:0000313|Ensembl:ENSCVAP00000025797.1, ECO:0000313|Proteomes:UP000265020};
RN [1] {ECO:0000313|Ensembl:ENSCVAP00000025797.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (AUG-2025) to UniProtKB.
RN [2] {ECO:0000313|Ensembl:ENSCVAP00000025797.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (SEP-2025) to UniProtKB.
CC -!- FUNCTION: Tyrosine-protein kinase that acts as a cell-surface receptor
CC for CSF1 and plays an essential role in the regulation of survival,
CC proliferation and differentiation of hematopoietic precursor cells,
CC especially mononuclear phagocytes, such as macrophages and monocytes.
CC Plays an important role in innate immunity and in inflammatory
CC processes. Plays an important role in the regulation of osteoclast
CC proliferation and differentiation, the regulation of bone resorption,
CC and is required for normal bone development. Promotes reorganization of
CC the actin cytoskeleton, regulates formation of membrane ruffles, cell
CC adhesion and cell migration. Activates several signaling pathways in
CC response to ligand binding. {ECO:0000256|ARBA:ARBA00058066}.
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 -!- SUBUNIT: Monomer. Homodimer. Interacts with CSF1.
CC {ECO:0000256|ARBA:ARBA00062014}.
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}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR RefSeq; XP_015246436.1; XM_015390950.1.
DR RefSeq; XP_015246437.1; XM_015390951.1.
DR AlphaFoldDB; A0A3Q2E102; -.
DR STRING; 28743.ENSCVAP00000025797; -.
DR Ensembl; ENSCVAT00000000731.1; ENSCVAP00000025797.1; ENSCVAG00000010915.1.
DR GeneID; 107095001; -.
DR KEGG; cvg:107095001; -.
DR CTD; 64274; -.
DR GeneTree; ENSGT00940000155506; -.
DR OMA; CHENIKQ; -.
DR OrthoDB; 6077854at2759; -.
DR Proteomes; UP000265020; Unassembled WGS sequence.
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:0048513; P:animal organ development; IEA:UniProtKB-ARBA.
DR GO; GO:0007169; P:cell surface receptor protein tyrosine kinase signaling pathway; IEA:InterPro.
DR GO; GO:0006954; P:inflammatory response; IEA:UniProtKB-KW.
DR GO; GO:0045087; P:innate immune response; IEA:UniProtKB-KW.
DR GO; GO:0030318; P:melanocyte differentiation; IEA:UniProtKB-ARBA.
DR GO; GO:0097324; P:melanocyte migration; IEA:UniProtKB-ARBA.
DR GO; GO:0030316; P:osteoclast differentiation; IEA:TreeGrafter.
DR GO; GO:0030335; P:positive regulation of cell migration; IEA:TreeGrafter.
DR GO; GO:0022603; P:regulation of anatomical structure morphogenesis; IEA:UniProtKB-ARBA.
DR GO; GO:1905521; P:regulation of macrophage migration; IEA:UniProtKB-ARBA.
DR GO; GO:0043408; P:regulation of MAPK cascade; IEA:TreeGrafter.
DR FunFam; 2.60.40.10:FF:002103; Colony-stimulating factor 1 receptor, a; 1.
DR FunFam; 2.60.40.10:FF:001029; Macrophage colony-stimulating factor 1 receptor; 1.
DR FunFam; 2.60.40.10:FF:002322; 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; 1.
DR SMART; SM00219; TyrKc; 1.
DR SUPFAM; SSF48726; Immunoglobulin; 5.
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; 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 Immunity {ECO:0000256|ARBA:ARBA00022859};
KW Immunoglobulin domain {ECO:0000256|ARBA:ARBA00023319,
KW ECO:0000256|RuleBase:RU000311};
KW Inflammatory response {ECO:0000256|ARBA:ARBA00023198};
KW Innate immunity {ECO:0000256|ARBA:ARBA00022588};
KW 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:UP000265020};
KW Repeat {ECO:0000256|ARBA:ARBA00022737};
KW Signal {ECO:0000256|ARBA:ARBA00022729, ECO:0000256|SAM:SignalP};
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};
KW Ubl conjugation {ECO:0000256|ARBA:ARBA00022843}.
FT SIGNAL 1..18
FT /evidence="ECO:0000256|SAM:SignalP"
FT CHAIN 19..978
FT /note="receptor protein-tyrosine kinase"
FT /evidence="ECO:0000256|SAM:SignalP"
FT /id="PRO_5018702433"
FT TRANSMEM 524..548
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 216..309
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 324..411
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 592..922
FT /note="Protein kinase"
FT /evidence="ECO:0000259|PROSITE:PS50011"
FT ACT_SITE 786
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-1"
FT BINDING 571
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT BINDING 598..606
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-51"
FT BINDING 599..606
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 626
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2,
FT ECO:0000256|PROSITE-ProRule:PRU10141"
FT BINDING 674..680
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 790
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 791
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT BINDING 804
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT SITE 933
FT /note="Important for interaction with phosphotyrosine-
FT binding proteins"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-4"
FT DISULFID 50..94
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-52"
FT DISULFID 141..190
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-52"
FT DISULFID 237..293
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-52"
FT DISULFID 434..503
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-52"
SQ SEQUENCE 978 AA; 110548 MW; 7E125C9E1B973CA6 CRC64;
MMESFLTLLL ALVASAASVE WRRPIIKVNS KVVTNPEVVV RVGRPLDLRC EGNGPVSWQP
RLAKHRRFMS RSSGNVRIFR VERPSAEFTG TYKCFYTAGP KSSDLASSLH VYVKDPLRVF
WTSSTSLRVV RKEGENFLLP CLLTDPSATD LGLRMDNGTT VPPGMNFTVD RHRGILIHNL
HPSFNADYVC TAKVNGQERT SRAFSINVIQ KLRFPPYVFL ETDEYIRIVG EEIKIRCTTH
NPNFNYNVTW KYTTKSNPTI EETVRSNGEN RLDIQSILTI PAVDLADTGN ISCIGTNEAG
VNSTTTYLLV VDKPYIRLLP QLSPKLAPKG LSVVVNEGED LELSLLIEAY PHITEHRWLT
PTPPNKSSQE HKFIRYNNRY HATLQLKRMN IQEQGQYTFY ARSNSTNASI SFQVQMYQRP
NAVVRWENVT TLTCTSFGYP APRIIWYQCV GIRPTCNENT SGLQLAIPLK APTVEVQREE
YGAVEVESVL TVGPSSQRMT VECVAFNLVG VSRDTLAMEV SDKLFTTTLS GAAGILAILL
LLLVILLYKY KQKPRYEIRW KIIEARDGNN YTFIDPTQLP YNEKLEFPRD KLKLGKILGA
GAFGKVVEAT AYGLGEEDNV MRVAVKMLKA CAHSDEKEAL MSELKILSHL GHHKNIVNLL
GACTYGGPVL VITEYCSLGD LLNFLRQKAE TFVNFVMSIP DISESCNDYK NICVQKKFIR
SDSGISSVAS STYLEMRPCQ LPNAEQSQDC EETGDWPLDM DDLLRFSLQV AQGLDFLAAR
NCIHRDVAAR NVLLTNRREA KICDFGLARD IMNDSNYVVK GNARLPVKWM APESIFDCVY
TVQSDVWSYG ILLWEIFSLG QSPYPSMAVD SRFYKMVKRG YQMSQPDFAP LEMYAIMKMC
WNLEPTKRPT FSKISQMIEK LLGGHFEQGQ VIYQNLQQEV TEADAYDQPK CHDGPCDQSC
DHGEEEQPLM KTNNYQFC
//