ID P2RY1_HUMAN Reviewed; 373 AA. AC P47900; DT 01-FEB-1996, integrated into UniProtKB/Swiss-Prot. DT 01-FEB-1996, sequence version 1. DT 27-MAR-2024, entry version 202. DE RecName: Full=P2Y purinoceptor 1; DE Short=P2Y1; DE AltName: Full=ADP receptor {ECO:0000303|PubMed:9038354}; DE AltName: Full=Purinergic receptor; GN Name=P2RY1; OS Homo sapiens (Human). OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; OC Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; OC Homo. OX NCBI_TaxID=9606; RN [1] RP NUCLEOTIDE SEQUENCE [MRNA]. RC TISSUE=Placenta; RX PubMed=8666290; DOI=10.1016/0378-1119(96)00027-3; RA Leon C., Vial C., Cazenave J.-P., Gachet C.; RT "Cloning and sequencing of a human cDNA encoding endothelial P2Y1 RT purinoceptor."; RL Gene 171:295-297(1996). RN [2] RP NUCLEOTIDE SEQUENCE [MRNA]. RX PubMed=8579591; DOI=10.1006/bbrc.1996.0139; RA Ayyanathan K., Tania W., Harbansjit S., Raghbir A.S., Barnard E.A., RA Kunapuli S.P.; RT "Cloning and chromosomal localization of the human P2Y1 purinoceptor."; RL Biochem. Biophys. Res. Commun. 218:783-788(1996). RN [3] RP NUCLEOTIDE SEQUENCE [GENOMIC DNA]. RX PubMed=8630005; DOI=10.1006/bbrc.1996.0640; RA Janssens R., Communi D., Pirotton S., Samson M., Parmentier M., RA Boeynaems J.-M.; RT "Cloning and tissue distribution of the human P2Y1 receptor."; RL Biochem. Biophys. Res. Commun. 221:588-593(1996). RN [4] RP NUCLEOTIDE SEQUENCE [GENOMIC DNA]. RC TISSUE=Blood; RA Leon C., Vial C., Weber J., Cazenave J.-P., Gacher C.; RL Submitted (JUN-1998) to the EMBL/GenBank/DDBJ databases. RN [5] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. RC TISSUE=Lung; RA Puhl H.L. III, Ikeda S.R., Aronstam R.S.; RT "cDNA clones of human proteins involved in signal transduction sequenced by RT the Guthrie cDNA resource center (www.cdna.org)."; RL Submitted (JUL-2002) to the EMBL/GenBank/DDBJ databases. RN [6] RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. RC TISSUE=Brain; RX PubMed=15489334; DOI=10.1101/gr.2596504; RG The MGC Project Team; RT "The status, quality, and expansion of the NIH full-length cDNA project: RT the Mammalian Gene Collection (MGC)."; RL Genome Res. 14:2121-2127(2004). RN [7] RP NUCLEOTIDE SEQUENCE [MRNA] OF 95-373, FUNCTION, AND ACTIVITY REGULATION. RC TISSUE=Platelet; RX PubMed=9442040; DOI=10.1074/jbc.273.4.2030; RA Jin J., Daniel J.L., Kunapuli S.P.; RT "Molecular basis for ADP-induced platelet activation. II. The P2Y1 receptor RT mediates ADP-induced intracellular calcium mobilization and shape change in RT platelets."; RL J. Biol. Chem. 273:2030-2034(1998). RN [8] RP FUNCTION, AND ACTIVITY REGULATION. RX PubMed=9038354; DOI=10.1016/s0014-5793(97)00022-7; RA Leon C., Hechler B., Vial C., Leray C., Cazenave J.P., Gachet C.; RT "The P2Y1 receptor is an ADP receptor antagonized by ATP and expressed in RT platelets and megakaryoblastic cells."; RL FEBS Lett. 403:26-30(1997). RN [9] RP IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. RC TISSUE=Platelet; RX PubMed=18088087; DOI=10.1021/pr0704130; RA Zahedi R.P., Lewandrowski U., Wiesner J., Wortelkamp S., Moebius J., RA Schuetz C., Walter U., Gambaryan S., Sickmann A.; RT "Phosphoproteome of resting human platelets."; RL J. Proteome Res. 7:526-534(2008). RN [10] {ECO:0007744|PDB:4XNV, ECO:0007744|PDB:4XNW} RP X-RAY CRYSTALLOGRAPHY (2.20 ANGSTROMS) OF 2-247 AND 253-373 IN COMPLEXES RP WITH ATP ANALOG MRS2500 AND SYNTHETIC ANTAGONIST BPTU, SUBCELLULAR RP LOCATION, TOPOLOGY, DISULFIDE BONDS, AND MUTAGENESIS OF LEU-44; TYR-110; RP TYR-203; THR-205; ASN-283 AND TYR-306. RX PubMed=25822790; DOI=10.1038/nature14287; RA Zhang D., Gao Z.G., Zhang K., Kiselev E., Crane S., Wang J., Paoletta S., RA Yi C., Ma L., Zhang W., Han G.W., Liu H., Cherezov V., Katritch V., RA Jiang H., Stevens R.C., Jacobson K.A., Zhao Q., Wu B.; RT "Two disparate ligand-binding sites in the human P2Y1 receptor."; RL Nature 520:317-321(2015). CC -!- FUNCTION: Receptor for extracellular adenine nucleotides such as ADP CC (PubMed:9442040, PubMed:9038354, PubMed:25822790). In platelets, CC binding to ADP leads to mobilization of intracellular calcium ions via CC activation of phospholipase C, a change in platelet shape, and CC ultimately platelet aggregation (PubMed:9442040). CC {ECO:0000269|PubMed:25822790, ECO:0000269|PubMed:9038354, CC ECO:0000269|PubMed:9442040}. CC -!- ACTIVITY REGULATION: ATP functions as antagonist and inhibits ADP- CC induced mobilization of Ca(2+) (PubMed:9038354). The P2Y1 receptor- CC specific antagonists A3P5PS, A3P5P and A2P5P inhibit downstream CC signaling mediated by mobilization of Ca(2+) from intracellular stores, CC and platelet shape changes in response to extracellular ADP CC (PubMed:9442040). {ECO:0000269|PubMed:9038354, CC ECO:0000269|PubMed:9442040}. CC -!- INTERACTION: CC P47900; O14745: NHERF1; NbExp=2; IntAct=EBI-8677223, EBI-349787; CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000269|PubMed:25822790}; CC Multi-pass membrane protein {ECO:0000269|PubMed:25822790}. CC -!- SIMILARITY: Belongs to the G-protein coupled receptor 1 family. CC {ECO:0000255|PROSITE-ProRule:PRU00521}. 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 EMBL; Z49205; CAA89066.1; -; mRNA. DR EMBL; U42030; AAA97873.1; -; mRNA. DR EMBL; U42029; AAA97872.1; -; mRNA. DR EMBL; S81950; AAB47091.1; -; Genomic_DNA. DR EMBL; AJ006945; CAA07339.1; -; Genomic_DNA. DR EMBL; AY136752; AAN01278.1; -; mRNA. DR EMBL; BC074784; AAH74784.1; -; mRNA. DR EMBL; BC074785; AAH74785.1; -; mRNA. DR EMBL; AF018284; AAB94556.1; -; mRNA. DR CCDS; CCDS3169.1; -. DR PIR; JC4737; JC4737. DR RefSeq; NP_002554.1; NM_002563.4. DR PDB; 4XNV; X-ray; 2.20 A; A=2-247, A=253-373. DR PDB; 4XNW; X-ray; 2.70 A; A/C=2-247, A/C=253-373. DR PDB; 7XXH; EM; 2.90 A; R=2-373. DR PDBsum; 4XNV; -. DR PDBsum; 4XNW; -. DR PDBsum; 7XXH; -. DR AlphaFoldDB; P47900; -. DR EMDB; EMD-33503; -. DR SMR; P47900; -. DR BioGRID; 111067; 51. DR IntAct; P47900; 8. DR MINT; P47900; -. DR STRING; 9606.ENSP00000304767; -. DR BindingDB; P47900; -. DR ChEMBL; CHEMBL4315; -. DR DrugBank; DB01069; Promethazine. DR DrugCentral; P47900; -. DR GuidetoPHARMACOLOGY; 323; -. DR TCDB; 9.A.14.13.22; the g-protein-coupled receptor (gpcr) family. DR GlyCosmos; P47900; 4 sites, No reported glycans. DR GlyGen; P47900; 4 sites. DR iPTMnet; P47900; -. DR PhosphoSitePlus; P47900; -. DR BioMuta; P2RY1; -. DR DMDM; 1352692; -. DR MassIVE; P47900; -. DR PaxDb; 9606-ENSP00000304767; -. DR PeptideAtlas; P47900; -. DR ProteomicsDB; 55818; -. DR TopDownProteomics; P47900; -. DR Antibodypedia; 2952; 453 antibodies from 36 providers. DR DNASU; 5028; -. DR Ensembl; ENST00000305097.6; ENSP00000304767.3; ENSG00000169860.7. DR GeneID; 5028; -. DR KEGG; hsa:5028; -. DR MANE-Select; ENST00000305097.6; ENSP00000304767.3; NM_002563.5; NP_002554.1. DR UCSC; uc003ezq.4; human. DR AGR; HGNC:8539; -. DR CTD; 5028; -. DR DisGeNET; 5028; -. DR GeneCards; P2RY1; -. DR HGNC; HGNC:8539; P2RY1. DR HPA; ENSG00000169860; Tissue enhanced (placenta). DR MIM; 601167; gene. DR neXtProt; NX_P47900; -. DR OpenTargets; ENSG00000169860; -. DR PharmGKB; PA32868; -. DR VEuPathDB; HostDB:ENSG00000169860; -. DR eggNOG; ENOG502QWPV; Eukaryota. DR GeneTree; ENSGT01030000234621; -. DR HOGENOM; CLU_009579_8_2_1; -. DR InParanoid; P47900; -. DR OMA; GFCVPFI; -. DR OrthoDB; 5347340at2759; -. DR PhylomeDB; P47900; -. DR TreeFam; TF350009; -. DR PathwayCommons; P47900; -. DR Reactome; R-HSA-416476; G alpha (q) signalling events. DR Reactome; R-HSA-417957; P2Y receptors. DR Reactome; R-HSA-418592; ADP signalling through P2Y purinoceptor 1. DR SignaLink; P47900; -. DR SIGNOR; P47900; -. DR BioGRID-ORCS; 5028; 9 hits in 1145 CRISPR screens. DR ChiTaRS; P2RY1; human. DR GeneWiki; P2RY1; -. DR GenomeRNAi; 5028; -. DR Pharos; P47900; Tchem. DR PRO; PR:P47900; -. DR Proteomes; UP000005640; Chromosome 3. DR RNAct; P47900; Protein. DR Bgee; ENSG00000169860; Expressed in gingival epithelium and 160 other cell types or tissues. DR GO; GO:0016324; C:apical plasma membrane; IEA:Ensembl. DR GO; GO:0016323; C:basolateral plasma membrane; IEA:Ensembl. DR GO; GO:0044297; C:cell body; ISS:BHF-UCL. DR GO; GO:0009986; C:cell surface; HDA:UniProtKB. DR GO; GO:0005929; C:cilium; IDA:MGI. DR GO; GO:0030425; C:dendrite; ISS:BHF-UCL. DR GO; GO:0098978; C:glutamatergic synapse; IEA:Ensembl. DR GO; GO:0005886; C:plasma membrane; IDA:UniProtKB. DR GO; GO:0014069; C:postsynaptic density; ISS:BHF-UCL. DR GO; GO:0045211; C:postsynaptic membrane; ISS:BHF-UCL. DR GO; GO:0048787; C:presynaptic active zone membrane; IEA:Ensembl. DR GO; GO:0031686; F:A1 adenosine receptor binding; IBA:GO_Central. DR GO; GO:0043531; F:ADP binding; IEA:Ensembl. DR GO; GO:0005524; F:ATP binding; IMP:UniProtKB. DR GO; GO:0001621; F:G protein-coupled ADP receptor activity; IMP:UniProtKB. DR GO; GO:0045031; F:G protein-coupled ATP receptor activity; ISS:BHF-UCL. DR GO; GO:0045028; F:G protein-coupled purinergic nucleotide receptor activity; ISS:BHF-UCL. DR GO; GO:0046982; F:protein heterodimerization activity; IEA:Ensembl. DR GO; GO:0097110; F:scaffold protein binding; ISS:BHF-UCL. DR GO; GO:0038023; F:signaling receptor activity; TAS:ProtInc. DR GO; GO:0007193; P:adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway; IEA:Ensembl. DR GO; GO:0097746; P:blood vessel diameter maintenance; IEA:Ensembl. DR GO; GO:0007166; P:cell surface receptor signaling pathway; TAS:ProtInc. DR GO; GO:0071318; P:cellular response to ATP; TAS:ARUK-UCL. DR GO; GO:0071415; P:cellular response to purine-containing compound; IMP:UniProtKB. DR GO; GO:0042755; P:eating behavior; IEA:Ensembl. DR GO; GO:0051649; P:establishment of localization in cell; IEA:Ensembl. DR GO; GO:0001973; P:G protein-coupled adenosine receptor signaling pathway; IEA:Ensembl. DR GO; GO:0007186; P:G protein-coupled receptor signaling pathway; ISS:BHF-UCL. DR GO; GO:0008347; P:glial cell migration; IEA:Ensembl. DR GO; GO:0006811; P:monoatomic ion transport; IEA:Ensembl. DR GO; GO:0010700; P:negative regulation of norepinephrine secretion; IEA:Ensembl. DR GO; GO:0007200; P:phospholipase C-activating G protein-coupled receptor signaling pathway; IMP:UniProtKB. DR GO; GO:0030168; P:platelet activation; IEA:InterPro. DR GO; GO:0007204; P:positive regulation of cytosolic calcium ion concentration; ISS:BHF-UCL. DR GO; GO:0070374; P:positive regulation of ERK1 and ERK2 cascade; ISS:BHF-UCL. DR GO; GO:0046887; P:positive regulation of hormone secretion; IEA:Ensembl. DR GO; GO:0032962; P:positive regulation of inositol trisphosphate biosynthetic process; IEA:Ensembl. DR GO; GO:0043270; P:positive regulation of monoatomic ion transport; IEA:Ensembl. DR GO; GO:0060406; P:positive regulation of penile erection; IEA:Ensembl. DR GO; GO:0001934; P:positive regulation of protein phosphorylation; ISS:BHF-UCL. DR GO; GO:0045944; P:positive regulation of transcription by RNA polymerase II; IEA:Ensembl. DR GO; GO:0072659; P:protein localization to plasma membrane; ISS:BHF-UCL. DR GO; GO:0008360; P:regulation of cell shape; IMP:UniProtKB. DR GO; GO:0099509; P:regulation of presynaptic cytosolic calcium ion concentration; IEA:Ensembl. DR GO; GO:2000300; P:regulation of synaptic vesicle exocytosis; IEA:Ensembl. DR GO; GO:0090075; P:relaxation of muscle; IEA:InterPro. DR GO; GO:0070848; P:response to growth factor; IEA:Ensembl. DR GO; GO:0009612; P:response to mechanical stimulus; IEA:Ensembl. DR GO; GO:0023019; P:signal transduction involved in regulation of gene expression; ISS:BHF-UCL. DR CDD; cd15377; 7tmA_P2Y1; 1. DR Gene3D; 1.20.1070.10; Rhodopsin 7-helix transmembrane proteins; 1. DR InterPro; IPR000276; GPCR_Rhodpsn. DR InterPro; IPR017452; GPCR_Rhodpsn_7TM. DR InterPro; IPR000142; P2Y1_rcpt. DR PANTHER; PTHR24231:SF2; P2Y PURINOCEPTOR 1; 1. DR PANTHER; PTHR24231; PURINOCEPTOR-RELATED G-PROTEIN COUPLED RECEPTOR; 1. DR Pfam; PF00001; 7tm_1; 1. DR PRINTS; PR00237; GPCRRHODOPSN. DR PRINTS; PR00595; P2Y1PRNOCPTR. DR PRINTS; PR01157; P2YPURNOCPTR. DR SUPFAM; SSF81321; Family A G protein-coupled receptor-like; 1. DR PROSITE; PS00237; G_PROTEIN_RECEP_F1_1; 1. DR PROSITE; PS50262; G_PROTEIN_RECEP_F1_2; 1. DR Genevisible; P47900; HS. PE 1: Evidence at protein level; KW 3D-structure; ATP-binding; Blood coagulation; Cell membrane; KW Disulfide bond; G-protein coupled receptor; Glycoprotein; Hemostasis; KW Membrane; Nucleotide-binding; Receptor; Reference proteome; Transducer; KW Transmembrane; Transmembrane helix. FT CHAIN 1..373 FT /note="P2Y purinoceptor 1" FT /id="PRO_0000070006" FT TOPO_DOM 1..51 FT /note="Extracellular" FT /evidence="ECO:0000269|PubMed:25822790" FT TRANSMEM 52..74 FT /note="Helical; Name=1" FT /evidence="ECO:0000269|PubMed:25822790" FT TOPO_DOM 75..87 FT /note="Cytoplasmic" FT /evidence="ECO:0000269|PubMed:25822790" FT TRANSMEM 88..109 FT /note="Helical; Name=2" FT /evidence="ECO:0000269|PubMed:25822790" FT TOPO_DOM 110..125 FT /note="Extracellular" FT /evidence="ECO:0000269|PubMed:25822790" FT TRANSMEM 126..147 FT /note="Helical; Name=3" FT /evidence="ECO:0000269|PubMed:25822790" FT TOPO_DOM 148..166 FT /note="Cytoplasmic" FT /evidence="ECO:0000269|PubMed:25822790" FT TRANSMEM 167..188 FT /note="Helical; Name=4" FT /evidence="ECO:0000269|PubMed:25822790" FT TOPO_DOM 189..214 FT /note="Extracellular" FT /evidence="ECO:0000269|PubMed:25822790" FT TRANSMEM 215..237 FT /note="Helical; Name=5" FT /evidence="ECO:0000269|PubMed:25822790" FT TOPO_DOM 238..260 FT /note="Cytoplasmic" FT /evidence="ECO:0000269|PubMed:25822790" FT TRANSMEM 261..284 FT /note="Helical; Name=6" FT /evidence="ECO:0000269|PubMed:25822790" FT TOPO_DOM 285..303 FT /note="Extracellular" FT /evidence="ECO:0000269|PubMed:25822790" FT TRANSMEM 304..325 FT /note="Helical; Name=7" FT /evidence="ECO:0000269|PubMed:25822790" FT TOPO_DOM 326..373 FT /note="Cytoplasmic" FT /evidence="ECO:0000269|PubMed:25822790" FT BINDING 46 FT /ligand="ADP" FT /ligand_id="ChEBI:CHEBI:456216" FT /evidence="ECO:0000305|PubMed:25822790, FT ECO:0007744|PDB:4XNW" FT BINDING 203..205 FT /ligand="ADP" FT /ligand_id="ChEBI:CHEBI:456216" FT /evidence="ECO:0000305|PubMed:25822790, FT ECO:0007744|PDB:4XNW" FT BINDING 283..287 FT /ligand="ADP" FT /ligand_id="ChEBI:CHEBI:456216" FT /evidence="ECO:0000305|PubMed:25822790, FT ECO:0007744|PDB:4XNW" FT BINDING 303..306 FT /ligand="ADP" FT /ligand_id="ChEBI:CHEBI:456216" FT /evidence="ECO:0000305|PubMed:25822790, FT ECO:0007744|PDB:4XNW" FT BINDING 310 FT /ligand="ADP" FT /ligand_id="ChEBI:CHEBI:456216" FT /evidence="ECO:0000305|PubMed:25822790, FT ECO:0007744|PDB:4XNW" FT CARBOHYD 11 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT CARBOHYD 27 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT CARBOHYD 113 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT CARBOHYD 197 FT /note="N-linked (GlcNAc...) asparagine" FT /evidence="ECO:0000255" FT DISULFID 42..296 FT /evidence="ECO:0000269|PubMed:25822790, FT ECO:0007744|PDB:4XNV, ECO:0007744|PDB:4XNW" FT DISULFID 124..202 FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00521, FT ECO:0000269|PubMed:25822790, ECO:0007744|PDB:4XNV, FT ECO:0007744|PDB:4XNW" FT MUTAGEN 44 FT /note="L->A: Loss of ADP analog binding." FT /evidence="ECO:0000269|PubMed:25822790" FT MUTAGEN 110 FT /note="Y->F: Loss of ADP analog binding." FT /evidence="ECO:0000269|PubMed:25822790" FT MUTAGEN 203 FT /note="Y->A: Loss of ADP analog binding." FT /evidence="ECO:0000269|PubMed:25822790" FT MUTAGEN 205 FT /note="T->A: Loss of ADP analog binding." FT /evidence="ECO:0000269|PubMed:25822790" FT MUTAGEN 283 FT /note="N->A: Loss of ADP analog binding." FT /evidence="ECO:0000269|PubMed:25822790" FT MUTAGEN 306 FT /note="Y->F: Strongly decreased affinity for ADP analog." FT /evidence="ECO:0000269|PubMed:25822790" FT CONFLICT 138 FT /note="Missing (in Ref. 1; CAA89066)" FT /evidence="ECO:0000305" FT HELIX 50..78 FT /evidence="ECO:0007829|PDB:4XNV" FT HELIX 85..112 FT /evidence="ECO:0007829|PDB:4XNV" FT TURN 113..115 FT /evidence="ECO:0007829|PDB:4XNV" FT HELIX 121..154 FT /evidence="ECO:0007829|PDB:4XNV" FT TURN 156..158 FT /evidence="ECO:0007829|PDB:4XNW" FT HELIX 161..183 FT /evidence="ECO:0007829|PDB:4XNV" FT HELIX 186..189 FT /evidence="ECO:0007829|PDB:4XNV" FT STRAND 191..194 FT /evidence="ECO:0007829|PDB:4XNV" FT STRAND 200..205 FT /evidence="ECO:0007829|PDB:4XNV" FT TURN 208..210 FT /evidence="ECO:0007829|PDB:4XNV" FT HELIX 211..225 FT /evidence="ECO:0007829|PDB:4XNV" FT HELIX 227..245 FT /evidence="ECO:0007829|PDB:4XNV" FT HELIX 253..271 FT /evidence="ECO:0007829|PDB:4XNV" FT HELIX 273..289 FT /evidence="ECO:0007829|PDB:4XNV" FT HELIX 293..295 FT /evidence="ECO:0007829|PDB:4XNV" FT HELIX 296..319 FT /evidence="ECO:0007829|PDB:4XNV" FT HELIX 321..326 FT /evidence="ECO:0007829|PDB:4XNV" FT STRAND 329..331 FT /evidence="ECO:0007829|PDB:7XXH" FT HELIX 332..339 FT /evidence="ECO:0007829|PDB:7XXH" SQ SEQUENCE 373 AA; 42072 MW; 4DC7C668B4145392 CRC64; MTEVLWPAVP NGTDAAFLAG PGSSWGNSTV ASTAAVSSSF KCALTKTGFQ FYYLPAVYIL VFIIGFLGNS VAIWMFVFHM KPWSGISVYM FNLALADFLY VLTLPALIFY YFNKTDWIFG DAMCKLQRFI FHVNLYGSIL FLTCISAHRY SGVVYPLKSL GRLKKKNAIC ISVLVWLIVV VAISPILFYS GTGVRKNKTI TCYDTTSDEY LRSYFIYSMC TTVAMFCVPL VLILGCYGLI VRALIYKDLD NSPLRRKSIY LVIIVLTVFA VSYIPFHVMK TMNLRARLDF QTPAMCAFND RVYATYQVTR GLASLNSCVD PILYFLAGDT FRRRLSRATR KASRRSEANL QSKSEDMTLN ILPEFKQNGD TSL //