ID A0A6I9I7K3_VICPA Unreviewed; 965 AA.
AC A0A6I9I7K3;
DT 07-OCT-2020, integrated into UniProtKB/TrEMBL.
DT 08-OCT-2025, sequence version 2.
DT 28-JAN-2026, entry version 27.
DE RecName: Full=receptor protein-tyrosine kinase {ECO:0000256|ARBA:ARBA00011902};
DE EC=2.7.10.1 {ECO:0000256|ARBA:ARBA00011902};
GN Name=CSF1R {ECO:0000313|RefSeq:XP_006204512.2};
OS Vicugna pacos (Alpaca) (Lama pacos).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Laurasiatheria; Artiodactyla; Tylopoda; Camelidae; Vicugna.
OX NCBI_TaxID=30538 {ECO:0000313|Proteomes:UP001652581, ECO:0000313|RefSeq:XP_006204512.2};
RN [1] {ECO:0000313|RefSeq:XP_006204512.2}
RP IDENTIFICATION.
RG RefSeq;
RL Submitted (AUG-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 RefSeq; XP_006204512.2; XM_006204450.4.
DR FunCoup; A0A6I9I7K3; 570.
DR GeneID; 102545389; -.
DR KEGG; vpc:102545389; -.
DR CTD; 1436; -.
DR InParanoid; A0A6I9I7K3; -.
DR OrthoDB; 6077854at2759; -.
DR Proteomes; UP001652581; Chromosome 3.
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:0009653; P:anatomical structure morphogenesis; IEA:UniProtKB-ARBA.
DR GO; GO:0048513; P:animal organ development; IEA:UniProtKB-ARBA.
DR GO; GO:0008283; P:cell population proliferation; IEA:UniProtKB-ARBA.
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:0008284; P:positive regulation of cell population proliferation; IEA:UniProtKB-ARBA.
DR GO; GO:0010604; P:positive regulation of macromolecule metabolic process; IEA:UniProtKB-ARBA.
DR GO; GO:0022604; P:regulation of cell 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 GO; GO:0006950; P:response to stress; IEA:UniProtKB-ARBA.
DR CDD; cd00096; Ig; 2.
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; 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; 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; 5.
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; 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};
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:UP001652581};
KW Repeat {ECO:0000256|ARBA:ARBA00022737}; Signal {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}.
FT SIGNAL 1..19
FT /evidence="ECO:0000256|SAM:SignalP"
FT CHAIN 20..965
FT /note="receptor protein-tyrosine kinase"
FT /evidence="ECO:0000256|SAM:SignalP"
FT /id="PRO_5046293019"
FT TRANSMEM 511..535
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 21..85
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 203..294
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 400..499
FT /note="Ig-like"
FT /evidence="ECO:0000259|PROSITE:PS50835"
FT DOMAIN 579..914
FT /note="Protein kinase"
FT /evidence="ECO:0000259|PROSITE:PS50011"
FT REGION 916..944
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 776
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-1"
FT BINDING 558
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-3"
FT BINDING 585..593
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-51"
FT BINDING 586..593
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2"
FT BINDING 613
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-2,
FT ECO:0000256|PROSITE-ProRule:PRU10141"
FT BINDING 661..667
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 921
FT /note="Important for interaction with phosphotyrosine-
FT binding proteins"
FT /evidence="ECO:0000256|PIRSR:PIRSR000615-4"
FT DISULFID 42..84
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-52"
FT DISULFID 127..177
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-52"
FT DISULFID 224..278
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-52"
FT DISULFID 417..482
FT /evidence="ECO:0000256|PIRSR:PIRSR500947-52"
SQ SEQUENCE 965 AA; 107313 MW; 1A900601A548BC56 CRC64;
MGPGALLILL VATTWHGQGV PVIEPSGPEL VVEPGTTVTL RCVSNGSVEW DGPISSYWTL
DPDAPSSVLT TNNATFQNTG TYRCTELGDP LGGSATIHLY VKDPVRPWKI LAQEVTVLEG
QDALLPCLLT DPELEASVSL VRVRGRPVLR QTNYSFSPWN GFTIHKAKFI ESQDYQCSAR
VGGRTVTSIG IRLKVQRVVP GPPTLTLKPA ELVQIQGEAA QIVCSASDVD VNFDVFLQRG
DTKLAISQQS DFHENRYQKV LTLGLDHVGF RDAGNYTCVA INSQGVRSTS MVFRVVESAY
LNLTSEQNLL QEVTVGEKLE LKVKVEAYPS LKGFNWTYQG PFFGHQPKLN FVTIKDTYRY
TSILTLPRLK PSEAGRYSFL ASNARHEESL TFELTLLYPP EVKVTWTLIN GSKALLCEAS
GYPQPSVTWV QCRGHTDRCD ETQMLVLEDP NPEVLSQEPF HKVIVQSLLA TGTLEHNRTY
ECRAHNSVGN SSQAFWPISV GAHTQPLDEP LFTPVLMACL CIMALLLLLL VLLLYKYKQK
PKYQVRWKII ESYEGNSYTF IDPTQLPYNE KWEFPRNNLQ FGKTLGAGAF GKVVEATAFG
LGKEDAVLKV AVKMLKSTAH ADEKEALMSE LKIMSHLGQH ENIVNLLGAC THGGPVLVIT
EYCCYGDLLN FLRRKAEAML VPSLSPGQDP EVTTGYKNIH LEKKYIHRDS GFSSQGVDTY
VEMRPVSTSS SNDSFSEQDL DKEDGRPLEL CDLLHFSSQV AQGMAFLASK NCIHRDVAAR
NVLLTSGRVA KIGDFGLARD IMNDSNYIVK GNARLPVKWM APESIFDCVY TVQSDVWSYG
ILLWEIFSLG LNPYPGILVN SKFYKLVKDG YQMAQPAFAP KNIYSIMQAC WALEPTHRPT
FQQICSLLQE QTQMDRRERD YSNLPSSSSG GSSEPEEESS SEHLACCEQG DVAQPLLQPN
NYQFC
//
