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Overview

Uniprot IDQ9UJ41
Protein NameRab5 GDP/GTP exchange factor
Gene NameRABGEF1
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
213 KIMDQIEKYIMTRLY

Function

Acts as a guanine-nucleotide releasing factor (GEF) for RAB5A by promoting the conversion of inactive RAB-GDP to the active form RAB-GTP (PubMed:15339665, PubMed:9323142). Forms a complex with RABEP1 that acts as Rab4/Rab5 effector regulating endosome fusion. Involved in endocytic membrane fusion and membrane trafficking of recycling endosomes (PubMed:11452015, PubMed:9323142). Also functions as a ubiquitin ligase (By similarity)

Protein Sequence

10 MSLKSERRGI 20 HVDQSDLLCK 30 KGCGYYGNPA 40 WQGFCSKCWR 50 EEYHKARQKQ 60 IQEDWELAER 70 LQREEEEAFA 80 SSQSSQGAQS 90 LTFSKFEEKK 100 TNEKTRKVTT 110 VKKFFSASSR 120 VGSKKEIQEA 130 KAPSPSINRQ 140 TSIETDRVSK 150 EFIEFLKTFH 160 KTGQEIYKQT 170 KLFLEGMHYK 180 RDLSIEEQSE 190 CAQDFYHNVA 200 ERMQTRGKVP 210 PERVEKIMDQ 220 IEKYIMTRLY 230 KYVFCPETTD 240 DEKKDLAIQK 250 RIRALRWVTP 260 QMLCVPVNED 270 IPEVSDMVVK 280 AITDIIEMDS 290 KRVPRDKLAC 300 ITKCSKHIFN 310 AIKITKNEPA 320 SADDFLPTLI 330 YIVLKGNPPR 340 LQSNIQYITR 350 FCNPSRLMTG 360 EDGYYFTNLC 370 CAVAFIEKLD 380 AQSLNLSQED 390 FDRYMSGQTS 400 PRKQEAESWS 410 PDACLGVKQM 420 YKNLDLLSQL 430 NERQERIMNE 440 AKKLEKDLID 450 WTDGIAREVQ 460 DIVEKYPLEI 470 KPPNQPLAAI 480 DSENVENDKL 490 PPPLQPQVYA G

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005829 cytosol
Cellular Component GO:0030425 dendrite
Cellular Component GO:0005769 early endosome
Cellular Component GO:0031901 early endosome membrane
Cellular Component GO:0030139 endocytic vesicle
Cellular Component GO:0098830 presynaptic endosome
Cellular Component GO:0055037 recycling endosome
Molecular Function GO:0003677 DNA binding
Molecular Function GO:0005085 guanyl-nucleotide exchange factor activity
Molecular Function GO:0031267 small GTPase binding
Molecular Function GO:0061630 ubiquitin protein ligase activity
Molecular Function GO:0008270 zinc ion binding
Biological Process GO:0098935 dendritic transport
Biological Process GO:0006897 endocytosis
Biological Process GO:0016197 endosomal transport
Biological Process GO:0006612 protein targeting to membrane
Biological Process GO:0015031 protein transport

Reference

[1] He C, Zhang J, Bai X, Lu C, Zhang K. Lysine lactylation-based insight to understanding the characterization of cervical cancer.. Biochim Biophys Acta Mol Basis Dis 1870(7):167356. 2024 Oct. PMID: 39025375.