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Overview

Uniprot IDP50398
Protein NameRab GDP dissociation inhibitor alpha
Gene NameGdi1
OrganismRattus norvegicus

Kla Sites from experimental identification

Position Flanking peptide
112 VEGSFVYKGGKIYKV
269 NGKVVGVKSEGEVAR
29 IMSVNGKKVLHMDRN
293 YIPDRVRKAGQVIRI
435 AFDFENMKRKQNDVF
437 DFENMKRKQNDVFGE

Function

Regulates the GDP/GTP exchange reaction of most Rab proteins by inhibiting the dissociation of GDP from them, and the subsequent binding of GTP to them. Promotes the dissociation of GDP-bound Rab proteins from the membrane and inhibits their activation. Promotes the dissociation of RAB1A, RAB3A, RAB5A and RAB10 from membranes

Protein Sequence

10 MDEEYDVIVL 20 GTGLTECILS 30 GIMSVNGKKV 40 LHMDRNPYYG 50 GESSSITPLE 60 ELYKRFQLLE 70 GPPESMGRGR 80 DWNVDLIPKF 90 LMANGQLVKM 100 LLYTEVTRYL 110 DFKVVEGSFV 120 YKGGKIYKVP 130 STETEALASN 140 LMGMFEKRRF 150 RKFLVFVANF 160 DENDPKTFEG 170 VDPQTTSMRD 180 VYRKFDLGQD 190 VIDFTGHALA 200 LYRTDDYLDQ 210 PCLETINRIK 220 LYSESLARYG 230 KSPYLYPLYG 240 LGELPQGFAR 250 LSAIYGGTYM 260 LNKPVDDIIM 270 ENGKVVGVKS 280 EGEVARCKQL 290 ICDPSYIPDR 300 VRKAGQVIRI 310 ICILSHPIKN 320 TNDANSCQII 330 IPQNQVNRKS 340 DIYVCMISYA 350 HNVAAQGKYI 360 AIASTTVETA 370 EPEKEVEPAL 380 ELLEPIDQKF 390 VAISDLYEPI 400 DDGSESQVFC 410 SCSYDATTHF 420 ETTCNDIKDI 430 YKRMAGSAFD 440 FENMKRKQND VFGEADQ

Gene Ontology

Classification GO ID Description
Cellular Component GO:0030424 axon
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005829 cytosol
Cellular Component GO:0005783 endoplasmic reticulum
Cellular Component GO:0005794 Golgi apparatus
Cellular Component GO:0030496 midbody
Cellular Component GO:0043209 myelin sheath
Cellular Component GO:0043025 neuronal cell body
Cellular Component GO:0099523 presynaptic cytosol
Cellular Component GO:0032991 protein-containing complex
Molecular Function GO:0005092 GDP-dissociation inhibitor activity
Molecular Function GO:0005096 GTPase activator activity
Molecular Function GO:0005093 Rab GDP-dissociation inhibitor activity
Molecular Function GO:0031267 small GTPase binding
Biological Process GO:0050771 negative regulation of axonogenesis
Biological Process GO:0090315 negative regulation of protein targeting to membrane
Biological Process GO:0045773 positive regulation of axon extension
Biological Process GO:0034123 positive regulation of toll-like receptor signaling pathway
Biological Process GO:0015031 protein transport
Biological Process GO:0032482 Rab protein signal transduction
Biological Process GO:0051592 response to calcium ion
Biological Process GO:0016192 vesicle-mediated transport

Reference

[1] Chen Y, Sun W, Sun Z, Zhao H, Wu T et al.. Effect of electroacupuncture on hippocampal protein lactylation in a rat model of vascular dementia.. Front Neurol 16:1629474. 2025. PMID: 40963935.