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Overview

Uniprot IDQ13905
Protein NameRap guanine nucleotide exchange factor 1
Gene NameRAPGEF1
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
640 AVSGVPGKDSRDGSE

Function

Guanine nucleotide-releasing protein that binds to SH3 domain of CRK and GRB2/ASH. Transduces signals from CRK to activate RAS. Involved in cell branching and adhesion mediated by BCAR1-CRK-RAPGEF1 signaling and activation of RAP1 (PubMed:12432078). Plays a role in the establishment of basal endothelial barrier function. Plays a role in nerve growth factor (NGF)-induced sustained activation of Rap1 and neurite outgrowth

Protein Sequence

10 MDTDSQRSHL 20 SSFTMKLMDK 30 FHSPKIKRTP 40 SKKGKPAEVS 50 VKIPEKPVNK 60 EATDRFLPEG 70 YPLPLDLEQQ 80 AVEFMSTSAV 90 ASRSQRQKNL 100 SWLEEKEKEV 110 VSALRYFKTI 120 VDKMAIDKKV 130 LEMLPGSASK 140 VLEAILPLVQ 150 NDPRIQHSSA 160 LSSCYSRVYQ 170 SLANLIRWSD 180 QVMLEGVNSE 190 DKEMVTTVKG 200 VIKAVLDGVK 210 ELVRLTIEKQ 220 GRPSPTSPVK 230 PSSPASKPDG 240 PAELPLTDRE 250 VEILNKTTGM 260 SQSTELLPDA 270 TDEEVAPPKP 280 PLPGIRVVDN 290 SPPPALPPKK 300 RQSAPSPTRV 310 AVVAPMSRAT 320 SGSSLPVGIN 330 RQDFDVDCYA 340 QRRLSGGSHS 350 YGGESPRLSP 360 CSSIGKLSKS 370 DEQLSSLDRD 380 SGQCSRNTSC 390 ETLDHYDPDY 400 EFLQQDLSNA 410 DQIPQQTAWN 420 LSPLPESLGE 430 SGSPFLGPPF 440 QLPLGGHPQP 450 DGPLAPGQQT 460 DTPPALPEKK 470 RRSAASQTAD 480 GSGCRVSYER 490 HPSQYDNISG 500 EDLQSTAPIP 510 SVPYAPFAAI 520 LPFQHGGSSA 530 PVEFVGDFTA 540 PESTGDPEKP 550 PPLPEKKNKH 560 MLAYMQLLED 570 YSEPQPSMFY 580 QTPQNEHIYQ 590 QKNKLLMEVY 600 GFSDSFSGVD 610 SVQELAPPPA 620 LPPKQRQLEP 630 PAGKDGHPRD 640 PSAVSGVPGK 650 DSRDGSERAP 660 KSPDALESAQ 670 SEEEVDELSL 680 IDHNEIMSRL 690 TLKQEGDDGP 700 DVRGGSGDIL 710 LVHATETDRK 720 DLVLYCEAFL 730 TTYRTFISPE 740 ELIKKLQYRY 750 EKFSPFADTF 760 KKRVSKNTFF 770 VLVRVVDELC 780 LVELTEEILK 790 LLMELVFRLV 800 CNGELSLARV 810 LRKNILDKVD 820 QKKLLRCATS 830 SQPLAARGVA 840 ARPGTLHDFH 850 SHEIAEQLTL 860 LDAELFYKIE 870 IPEVLLWAKE 880 QNEEKSPNLT 890 QFTEHFNNMS 900 YWVRSIIMLQ 910 EKAQDRERLL 920 LKFIKIMKHL 930 RKLNNFNSYL 940 AILSALDSAP 950 IRRLEWQKQT 960 SEGLAEYCTL 970 IDSSSSFRAY 980 RAALSEVEPP 990 CIPYLGLILQ 1000 DLTFVHLGNP 1010 DYIDGKVNFS 1020 KRWQQFNILD 1030 SMRCFQQAHY 1040 DMRRNDDIIN 1050 FFNDFSDHLA 1060 EEALWELSLK 1070 IKPRNITRRK TDREEKT

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005829 cytosol
Cellular Component GO:0005769 early endosome
Cellular Component GO:0005886 plasma membrane
Molecular Function GO:0005085 guanyl-nucleotide exchange factor activity
Molecular Function GO:0017124 SH3 domain binding
Biological Process GO:0007169 cell surface receptor protein tyrosine kinase signaling pathway
Biological Process GO:0071320 cellular response to cAMP
Biological Process GO:1990090 cellular response to nerve growth factor stimulus
Biological Process GO:0061028 establishment of endothelial barrier
Biological Process GO:0038180 nerve growth factor signaling pathway
Biological Process GO:0007399 nervous system development
Biological Process GO:0043547 positive regulation of GTPase activity
Biological Process GO:0010976 positive regulation of neuron projection development
Biological Process GO:0032486 Rap protein signal transduction
Biological Process GO:0007265 Ras protein signal transduction
Biological Process GO:1901888 regulation of cell junction assembly
Biological Process GO:0007165 signal transduction

Reference

[1] Yang YH, Wang QC, Kong J, Yang JT, Liu JF. Global profiling of lysine lactylation in human lungs.. Proteomics 23(15):e2200437. 2023 Aug. PMID: 37170646.