Lipid Modification Database
Tag Content
LipidDB ID
LipidDB-3702-00878
Entry Name
UniProt Accession
Theoretical PI
9.38
Molecular Weight
21728.12
Genbank Protein ID
Genbank Nucleotide ID
Protein Name
Rac-like GTP-binding protein ARAC3
Protein Synonyms/Alias
GTPase protein ROP6;
Gene Name
ARAC3
Gene Synonyms/Alias
RAC1; ROP6; At4g35020; M4E13.80;
Created Date
01-NOV-1997
 Lipid Modification Sites 
 Position   Sequence Form   Peptide   References   Modification Type 
158
Canonical
GAPAYIECSAKTQQN
[1]
S-Palmitoylation
195
Canonical
KRKSQKGCSIL****
[1][2]
S-Geranylgeranylation
Organism
Arabidopsis thaliana (Mouse-ear cress)
NCBI Taxa ID
3702
Reference
[1] Sorek N, Poraty L, Sternberg H, Bar E, Lewinsohn E, Yalovsky S. Activationstatus-coupled transient S acylation determines membrane partitioning of a plant Rho-related GTPase. Mol Cell Biol. 2007 Mar;27(6):2144-54. Epub 2007 Jan 22.[PMID:17242203]
[2] Sorek N, Gutman O, Bar E, Abu-Abied M, Feng X, Running MP, Lewinsohn E, Ori N,Sadot E, Henis YI, Yalovsky S. Differential effects of prenylation ands-acylation on type I and II ROPS membrane interaction and function. PlantPhysiol. 2011 Feb;155(2):706-20. doi: 10.1104/pp.110.166850. Epub 2010 Dec 7.[PMID:21139084]
Functional Description
Inactive GDP-bound Rho GTPases reside in the cytosol, are found in a complex with Rho GDP-dissociation inhibitors (Rho GDIs), and are released from the GDI protein in order to translocate to membranes upon activation. May be involved in cell polarity control during the actin-dependent tip growth of root hairs.
Sequence Annotation
Nucleotide-binding: 13 20 GTP.
Nucleotide-binding: 60 64 GTP.
Nucleotide-binding: 118 121 GTP.
Motif: 35 43 Effector region.
Modified residue: 195 195 Cysteine methyl ester.
Protein Length
198 AA.
Protein Sequence
(Canonical)
MSASRFIKCV TVGDGAVGKT CLLISYTSNT FPTDYVPTVF DNFSANVIVD GNTINLGLWD  60
TAGQEDYNRL RPLSYRGADV FLLAFSLVSK ASYENVSKKW VPELRHYAPG VPIILVGTKL  120
DLRDDKQFFA EHPGAVPIST AQGEELKKLI GAPAYIECSA KTQQNVKAVF DAAIKVVLQP  180
PKNKKKKKRK SQKGCSIL                                                198
MSASRFIKCV TVGDGAVGKT CLLISYTSNT FPTDYVPTVF DNFSANVIVD GNTINLGLWD  60
TAGQEDYNRL RPLSYRGADV FLLAFSLVSK ASYENVSKKW VPELRHYAPG VPIILVGTKL  120
DLRDDKQFFA EHPGAVPIST AQGEELKKLI GAPAYIECSA KTQQNVKAVF DAAIKVVLQP  180
PKNKKKKKRK SQKGCSIL                                                198
FASTA
(Canonical)
>LipidDB-3702-00878|Q38912
MSASRFIKCVTVGDGAVGKTCLLISYTSNTFPTDYVPTVFDNFSANVIVDGNTINLGLWD
TAGQEDYNRLRPLSYRGADVFLLAFSLVSKASYENVSKKWVPELRHYAPGVPIILVGTKL
DLRDDKQFFAEHPGAVPISTAQGEELKKLIGAPAYIECSAKTQQNVKAVFDAAIKVVLQP
PKNKKKKKRKSQKGCSIL
MSASRFIKCVTVGDGAVGKTCLLISYTSNTFPTDYVPTVFDNFSANVIVDGNTINLGLWD
TAGQEDYNRLRPLSYRGADVFLLAFSLVSKASYENVSKKWVPELRHYAPGVPIILVGTKL
DLRDDKQFFAEHPGAVPISTAQGEELKKLIGAPAYIECSAKTQQNVKAVFDAAIKVVLQP
PKNKKKKKRKSQKGCSIL
Gene Ontology
GO:0005737; C:cytoplasm; IDA:TAIR
GO:0005730; C:nucleolus; IDA:TAIR
GO:0005634; C:nucleus; IDA:TAIR
GO:0005886; C:plasma membrane; IDA:TAIR
GO:0030427; C:site of polarized growth; IDA:TAIR
GO:0005819; C:spindle; IDA:TAIR
GO:0005525; F:GTP binding; IEA:UniProtKB-KW
GO:0003924; F:GTPase activity; IDA:TAIR
GO:0006184; P:GTP catabolic process; IDA:GOC
GO:0007264; P:small GTPase mediated signal transduction; IEA:InterPro
Interpro
InterPro; IPR027417; P-loop_NTPase
InterPro; IPR005225; Small_GTP-bd_dom
InterPro; IPR001806; Small_GTPase
InterPro; IPR003578; Small_GTPase_Rho
Pfam
Pfam; PF00071; Ras;
SMART
SMART; SM00174; RHO;
PROSITE
PROSITE; PS51420; RHO;
PRINTS
PRINTS; PR00449; RASTRNSFRMNG;