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P62999

- RAC1_CANFA

UniProt

P62999 - RAC1_CANFA

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Protein

Ras-related C3 botulinum toxin substrate 1

Gene

RAC1

Organism
Canis familiaris (Dog) (Canis lupus familiaris)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at transcript leveli

Functioni

Plasma membrane-associated small GTPase which cycles between active GTP-bound and inactive GDP-bound states. In its active state, binds to a variety of effector proteins to regulate cellular responses such as secretory processes, phagocytosis of apoptotic cells, epithelial cell polarization and growth-factor induced formation of membrane ruffles. Rac1 p21/rho GDI heterodimer is the active component of the cytosolic factor sigma 1, which is involved in stimulation of the NADPH oxidase activity in macrophages. Essential for the SPATA13-mediated regulation of cell migration and adhesion assembly and disassembly. Stimulates PKN2 kinase activity. In concert with RAB7A, plays a role in regulating the formation of RBs (ruffled borders) in osteoclasts. In glioma cells, promotes cell migration and invasion. In podocytes, promotes nuclear shuttling of NR3C2; this modulation is required for a proper kidney functioning. Required for atypical chemokine receptor ACKR2-induced LIMK1-PAK1-dependent phosphorylation of cofilin (CFL1) and for up-regulation of ACKR2 from endosomal compartment to plasma membrane, increasing its efficiency in chemokine uptake and degradation. In synapses, seems to mediate the regulation of F-actin cluster formation performed by SHANK3 (By similarity).By similarity

Enzyme regulationi

Regulated by guanine nucleotide exchange factors (GEFs) which promote the exchange of bound GDP for free GTP, GTPase activating proteins (GAPs) which increase the GTP hydrolysis activity, and GDP dissociation inhibitors which inhibit the dissociation of the nucleotide from the GTPase. GTP hydrolysis is stimulated by ARHGAP30 (By similarity).By similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi10 – 178GTPBy similarity
Nucleotide bindingi57 – 615GTPBy similarity
Nucleotide bindingi115 – 1184GTPBy similarity

GO - Molecular functioni

  1. GTP binding Source: UniProtKB
  2. Rho GDP-dissociation inhibitor binding Source: UniProtKB

GO - Biological processi

  1. cell motility Source: UniProtKB
  2. positive regulation of protein phosphorylation Source: UniProtKB
  3. regulation of cell migration Source: UniProtKB
  4. semaphorin-plexin signaling pathway Source: UniProtKB
  5. small GTPase mediated signal transduction Source: InterPro
Complete GO annotation...

Keywords - Ligandi

GTP-binding, Nucleotide-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Ras-related C3 botulinum toxin substrate 1
Alternative name(s):
Rac2
p21-Rac1
Gene namesi
Name:RAC1
OrganismiCanis familiaris (Dog) (Canis lupus familiaris)
Taxonomic identifieri9615 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaCarnivoraCaniformiaCanidaeCanis
ProteomesiUP000002254: Unplaced

Subcellular locationi

Cell membrane By similarity; Lipid-anchor By similarity; Cytoplasmic side By similarity. Melanosome By similarity. Cytoplasm By similarity
Note: Inner surface of plasma membrane possibly with attachment requiring prenylation of the C-terminal cysteine. Found in the ruffled border (a late endosomal-like compartment in the plasma membrane) of bone-resorbing osteoclasts (By similarity).By similarity

GO - Cellular componenti

  1. cytosol Source: UniProtKB
  2. membrane Source: UniProtKB
  3. plasma membrane Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Cell membrane, Cytoplasm, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 189189Ras-related C3 botulinum toxin substrate 1PRO_0000042034Add
BLAST
Propeptidei190 – 1923Removed in mature formBy similarityPRO_0000042035

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Cross-linki147 – 147Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)By similarity
Modified residuei189 – 1891Cysteine methyl esterBy similarity
Lipidationi189 – 1891S-geranylgeranyl cysteineBy similarity

Post-translational modificationi

GTP-bound active form is ubiquitinated by HACE1, leading to its degradation by the proteasome.By similarity

Keywords - PTMi

Isopeptide bond, Lipoprotein, Methylation, Prenylation, Ubl conjugation

Proteomic databases

PaxDbiP62999.
PRIDEiP62999.

Interactioni

Subunit structurei

Interacts with NISCH. Interacts with PIP5K1A. Interacts with the GTP-bound form of RAB7A. Interacts with SRGAP2. Interacts with CYFIP1/SRA-1. Interacts with PLXNB3. Interacts with ARHGDIA; the interaction is induced by SEMA5A, mediated through PLXNB3 and inactivates and stabilizes RAC1. Interacts (GTP-bound form preferentially) with PKN2 (via the REM repeats); the interaction stimulates autophosphorylation and phosphorylation of PKN2. Interacts with the GEF proteins PREX1, RASGRF2, FARP1, FARP2, DOCK1, DOCK2 and DOCK7, which promote the exchange between GDP and GTP, and therefore activate it. Interacts with PARD6A, PARD6B and PARD6G in a GTP-dependent manner. Part of a quaternary complex containing PARD3, some PARD6 protein (PARD6A, PARD6B or PARD6G) and some atypical PKC protein (PRKCI or PRKCZ), which plays a central role in epithelial cell polarization. Found in a trimeric complex composed of DOCK1 and ELMO1, which plays a central role in phagocytosis of apoptotic cells. Interacts with RALBP1 via its effector domain. Interacts with PLXNB1. Probably found in a ternary complex composed of DSCAM, PAK1 and RAC1. Interacts with DSCAM; the interaction requires PAK1. Part of a complex with MAP2K3, MAP3K3, CCM2 and DEF6. Interacts with BAIAP2, BAIAP2L1 and DEF6. Interacts with Y.pseudotuberculosis YPKA and PLCB2. Interacts with NOXA1. Interacts with ARHGEF2. Interacts with TBC1D2. Interacts with UNKL. Interacts with USP6. Interacts with SPATA13. Interacts with ARHGEF16; mediates activation of RAC1 by EPHA2. Interacts with ITGB4. Interacts with S100A8 and calprotectin (S100A8/9). Interacts with PACSIN2. Interacts with ITGB1BP1. Interacts (when active) with PPP5C (via TPR repeats); activates PPP5C phosphatase activity and translocates PPP5C to the cell membrane (By similarity).By similarity

Protein-protein interaction databases

DIPiDIP-40906N.
IntActiP62999. 1 interaction.
MINTiMINT-93844.
STRINGi9615.ENSCAFP00000002174.

Structurei

3D structure databases

ProteinModelPortaliP62999.
SMRiP62999. Positions 1-177.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Motif

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Motifi32 – 409Effector regionSequence Analysis

Domaini

The effector region mediates interaction with DEF6.By similarity

Sequence similaritiesi

Belongs to the small GTPase superfamily. Rho family.Curated

Phylogenomic databases

eggNOGiCOG1100.
HOGENOMiHOG000233974.
HOVERGENiHBG009351.
InParanoidiP62999.
KOiK04392.

Family and domain databases

Gene3Di3.40.50.300. 1 hit.
InterProiIPR027417. P-loop_NTPase.
IPR005225. Small_GTP-bd_dom.
IPR001806. Small_GTPase.
IPR003578. Small_GTPase_Rho.
[Graphical view]
PfamiPF00071. Ras. 1 hit.
[Graphical view]
PRINTSiPR00449. RASTRNSFRMNG.
SMARTiSM00174. RHO. 1 hit.
[Graphical view]
SUPFAMiSSF52540. SSF52540. 1 hit.
TIGRFAMsiTIGR00231. small_GTP. 1 hit.
PROSITEiPS51420. RHO. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P62999-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MQAIKCVVVG DGAVGKTCLL ISYTTNAFPG EYIPTVFDNY SANVMVDGKP
60 70 80 90 100
VNLGLWDTAG QEDYDRLRPL SYPQTDVFLI CFSLVSPASF ENVRAKWYPE
110 120 130 140 150
VRHHCPNTPI ILVGTKLDLR DDKDTIEKLK EKKLTPITYP QGLAMAKEIG
160 170 180 190
AVKYLECSAL TQRGLKTVFD EAIRAVLCPP PVKKRKRKCL LL
Length:192
Mass (Da):21,450
Last modified:August 31, 2004 - v1
Checksum:iACEDF83A45E5EA67
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X56390 mRNA. Translation: CAA39801.1.
PIRiG36364.
RefSeqiNP_001003274.1. NM_001003274.2.
UniGeneiCfa.40290.

Genome annotation databases

GeneIDi403955.
KEGGicfa:403955.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X56390 mRNA. Translation: CAA39801.1 .
PIRi G36364.
RefSeqi NP_001003274.1. NM_001003274.2.
UniGenei Cfa.40290.

3D structure databases

ProteinModelPortali P62999.
SMRi P62999. Positions 1-177.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

DIPi DIP-40906N.
IntActi P62999. 1 interaction.
MINTi MINT-93844.
STRINGi 9615.ENSCAFP00000002174.

Chemistry

BindingDBi P62999.

Proteomic databases

PaxDbi P62999.
PRIDEi P62999.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 403955.
KEGGi cfa:403955.

Organism-specific databases

CTDi 5879.

Phylogenomic databases

eggNOGi COG1100.
HOGENOMi HOG000233974.
HOVERGENi HBG009351.
InParanoidi P62999.
KOi K04392.

Miscellaneous databases

NextBioi 20817445.

Family and domain databases

Gene3Di 3.40.50.300. 1 hit.
InterProi IPR027417. P-loop_NTPase.
IPR005225. Small_GTP-bd_dom.
IPR001806. Small_GTPase.
IPR003578. Small_GTPase_Rho.
[Graphical view ]
Pfami PF00071. Ras. 1 hit.
[Graphical view ]
PRINTSi PR00449. RASTRNSFRMNG.
SMARTi SM00174. RHO. 1 hit.
[Graphical view ]
SUPFAMi SSF52540. SSF52540. 1 hit.
TIGRFAMsi TIGR00231. small_GTP. 1 hit.
PROSITEi PS51420. RHO. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Molecular cloning of YPT1/SEC4-related cDNAs from an epithelial cell line."
    Chavrier P., Vingron M., Sander C., Simons K., Zerial M.
    Mol. Cell. Biol. 10:6578-6585(1990) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Strain: Cocker spaniel.
    Tissue: Kidney.

Entry informationi

Entry nameiRAC1_CANFA
AccessioniPrimary (citable) accession number: P62999
Secondary accession number(s): O95501, P15154, Q9BTB4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 31, 2004
Last sequence update: August 31, 2004
Last modified: October 29, 2014
This is version 97 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3