UniProtKB - Q9QUI0 (RHOA_MOUSE)
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Protein
Transforming protein RhoA
Gene
Rhoa
Organism
Mus musculus (Mouse)
Status
Functioni
Regulates a signal transduction pathway linking plasma membrane receptors to the assembly of focal adhesions and actin stress fibers. Involved in a microtubule-dependent signal that is required for the myosin contractile ring formation during cell cycle cytokinesis. Plays an essential role in cleavage furrow formation. May be an activator of PLCE1. Activated by ARHGEF2, which promotes the exchange of GDP for GTP. Essential for the SPATA13-mediated regulation of cell migration and adhesion assembly and disassembly. The MEMO1-RHOA-DIAPH1 signaling pathway plays an important role in ERBB2-dependent stabilization of microtubules at the cell cortex. It controls the localization of APC and CLASP2 to the cell membrane, via the regulation of GSK3B activity. In turn, membrane-bound APC allows the localization of the MACF1 to the cell membrane, which is required for microtubule capture and stabilization (By similarity). Required for the apical junction formation of keratinocyte cell-cell adhesion. Regulates KCNA2 potassium channel activity by reducing its location at the cell surface in response to CHRM1 activation; promotes KCNA2 endocytosis (PubMed:9635436).By similarity3 Publications
Enzyme regulationi
GTP hydrolysis is stimulated by ARHGAP30.By similarity
Regions
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Nucleotide bindingi | 12 – 19 | GTPBy similarity | 8 | |
| Nucleotide bindingi | 59 – 63 | GTPBy similarity | 5 | |
| Nucleotide bindingi | 117 – 120 | GTPBy similarity | 4 |
GO - Molecular functioni
- GDP binding Source: Ensembl
- GTPase activity Source: MGI
- GTP binding Source: UniProtKB
- myosin binding Source: MGI
- protein domain specific binding Source: Ensembl
- Rho GDP-dissociation inhibitor binding Source: Ensembl
GO - Biological processi
- actin cytoskeleton organization Source: MGI
- actin cytoskeleton reorganization Source: UniProtKB
- alpha-beta T cell lineage commitment Source: CACAO
- androgen receptor signaling pathway Source: MGI
- angiotensin-mediated vasoconstriction involved in regulation of systemic arterial blood pressure Source: MGI
- apical junction assembly Source: UniProtKB
- apolipoprotein A-I-mediated signaling pathway Source: MGI
- beta selection Source: CACAO
- cell adhesion Source: MGI
- cell differentiation Source: MGI
- cell-matrix adhesion Source: MGI
- cell migration Source: UniProtKB
- cell morphogenesis Source: MGI
- cellular response to chemokine Source: UniProtKB
- cerebral cortex cell migration Source: MGI
- cleavage furrow formation Source: UniProtKB
- cytoskeleton organization Source: MGI
- endothelial cell migration Source: MGI
- endothelial tube lumen extension Source: MGI
- forebrain radial glial cell differentiation Source: MGI
- GTP metabolic process Source: Ensembl
- integrin-mediated signaling pathway Source: MGI
- mitotic cleavage furrow formation Source: UniProtKB
- mitotic spindle assembly Source: MGI
- negative chemotaxis Source: MGI
- negative regulation of cell migration involved in sprouting angiogenesis Source: MGI
- negative regulation of cell size Source: MGI
- negative regulation of I-kappaB kinase/NF-kappaB signaling Source: Ensembl
- negative regulation of intracellular steroid hormone receptor signaling pathway Source: MGI
- negative regulation of neuron apoptotic process Source: MGI
- negative regulation of neuron projection development Source: Ensembl
- negative regulation of oxidative phosphorylation Source: CACAO
- negative regulation of reactive oxygen species biosynthetic process Source: CACAO
- neuron projection morphogenesis Source: Ensembl
- odontogenesis Source: UniProtKB
- ossification involved in bone maturation Source: BHF-UCL
- positive regulation of actin filament polymerization Source: Ensembl
- positive regulation of alpha-beta T cell differentiation Source: CACAO
- positive regulation of cell growth Source: Ensembl
- positive regulation of cysteine-type endopeptidase activity involved in apoptotic process Source: Ensembl
- positive regulation of cytokinesis Source: UniProtKB
- positive regulation of I-kappaB kinase/NF-kappaB signaling Source: UniProtKB
- positive regulation of lipase activity Source: MGI
- positive regulation of neuron apoptotic process Source: Ensembl
- positive regulation of neuron differentiation Source: MGI
- positive regulation of podosome assembly Source: MGI
- positive regulation of protein serine/threonine kinase activity Source: UniProtKB
- positive regulation of stress fiber assembly Source: MGI
- positive regulation of T cell migration Source: UniProtKB
- positive regulation of translation Source: Ensembl
- positive regulation of vascular smooth muscle contraction Source: MGI
- regulation of actin cytoskeleton organization Source: CACAO
- regulation of calcium ion transport Source: Ensembl
- regulation of cell migration Source: UniProtKB
- regulation of dendrite development Source: Ensembl
- regulation of microtubule cytoskeleton organization Source: CACAO
- regulation of modification of synaptic structure Source: Ensembl
- regulation of neural precursor cell proliferation Source: MGI
- regulation of neuron projection development Source: MGI
- regulation of osteoblast proliferation Source: BHF-UCL
- regulation of systemic arterial blood pressure by endothelin Source: MGI
- regulation of transcription from RNA polymerase II promoter Source: MGI
- response to amino acid Source: Ensembl
- response to drug Source: Ensembl
- response to ethanol Source: Ensembl
- response to glucocorticoid Source: Ensembl
- response to glucose Source: Ensembl
- response to hypoxia Source: Ensembl
- response to mechanical stimulus Source: Ensembl
- Rho protein signal transduction Source: UniProtKB
- Roundabout signaling pathway Source: UniProtKB
- skeletal muscle satellite cell migration Source: AgBase
- skeletal muscle tissue development Source: MGI
- stress-activated protein kinase signaling cascade Source: Ensembl
- stress fiber assembly Source: MGI
- substantia nigra development Source: Ensembl
- trabecula morphogenesis Source: BHF-UCL
- wound healing, spreading of cells Source: AgBase
Keywordsi
| Biological process | Cell cycle, Cell division |
| Ligand | GTP-binding, Nucleotide-binding |
Enzyme and pathway databases
| Reactomei | R-MMU-5625900. RHO GTPases activate CIT. R-MMU-5666185. RHO GTPases Activate Rhotekin and Rhophilins. |
Names & Taxonomyi
| Protein namesi | Recommended name: Transforming protein RhoA |
| Gene namesi | Name:Rhoa Synonyms:Arha, Arha2 |
| Organismi | Mus musculus (Mouse) |
| Taxonomic identifieri | 10090 [NCBI] |
| Taxonomic lineagei | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Glires › Rodentia › Myomorpha › Muroidea › Muridae › Murinae › Mus › Mus |
| Proteomesi |
|
Organism-specific databases
| MGIi | MGI:1096342. Rhoa. |
Subcellular locationi
- Cell membrane By similarity; Lipid-anchor By similarity; Cytoplasmic side By similarity
- Cytoplasm › cytoskeleton By similarity
- Cleavage furrow By similarity
- Cytoplasm › cell cortex By similarity
- Midbody By similarity
- Cell projection › lamellipodium 2 Publications
Note: Translocates to the equatorial region before furrow formation in a ECT2-dependent manner. Localizes to the equatorial cell cortex (at the site of the presumptive furrow) in early anaphase in a activated form and in a myosin- and actin-independent manner (By similarity). Localized to cell-cell contacts in calcium-treated keratinocytes.By similarity
GO - Cellular componenti
- apical junction complex Source: MGI
- axon Source: Ensembl
- cell cortex Source: UniProtKB
- cell periphery Source: MGI
- cleavage furrow Source: UniProtKB-SubCell
- cytoskeleton Source: UniProtKB-SubCell
- cytosol Source: MGI
- dendritic spine Source: MGI
- endosome Source: MGI
- extracellular exosome Source: MGI
- extrinsic component of cytoplasmic side of plasma membrane Source: UniProtKB
- focal adhesion Source: MGI
- lamellipodium Source: UniProtKB
- midbody Source: UniProtKB-SubCell
- mitochondrion Source: MGI
- nucleus Source: MGI
- plasma membrane Source: MGI
- ruffle membrane Source: MGI
- vesicle Source: MGI
Keywords - Cellular componenti
Cell membrane, Cell projection, Cytoplasm, Cytoskeleton, MembranePTM / Processingi
Molecule processing
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| ChainiPRO_0000030413 | 1 – 190 | Transforming protein RhoAAdd BLAST | 190 | |
| PropeptideiPRO_0000030414 | 191 – 193 | Removed in mature formBy similarity | 3 |
Amino acid modifications
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Modified residuei | 188 | Phosphoserine; by PKG/PRKG1By similarity | 1 | |
| Modified residuei | 190 | Cysteine methyl esterBy similarity | 1 | |
| Lipidationi | 190 | S-geranylgeranyl cysteineBy similarity | 1 |
Post-translational modificationi
Substrate for botulinum ADP-ribosyltransferase.By similarity
Ubiquitinated by the BCR(BACURD1) and BCR(BACURD2) E3 ubiquitin ligase complexes, leading to its degradation by the proteasome, thereby regulating the actin cytoskeleton and cell migration.By similarity
Phosphorylation by PRKG1 at Ser-188 inactivates RHOA signaling (By similarity). Phosphorylation by SLK at Ser-188 in response to AGTR2 activation (By similarity).By similarity
Keywords - PTMi
Lipoprotein, Methylation, Phosphoprotein, Prenylation, Ubl conjugationProteomic databases
| EPDi | Q9QUI0. |
| MaxQBi | Q9QUI0. |
| PaxDbi | Q9QUI0. |
| PRIDEi | Q9QUI0. |
PTM databases
| iPTMneti | Q9QUI0. |
| PhosphoSitePlusi | Q9QUI0. |
| SwissPalmi | Q9QUI0. |
Expressioni
Inductioni
Up-regulated during keratinocyte differentiation.1 Publication
Gene expression databases
| Bgeei | ENSMUSG00000007815. |
| CleanExi | MM_RHOA. |
| ExpressionAtlasi | Q9QUI0. baseline and differential. |
| Genevisiblei | Q9QUI0. MM. |
Interactioni
Subunit structurei
Binds PRKCL1, ROCK1 and ROCK2. Interacts with ARHGEF2 and ARHGEF3. Interacts with PLCE1 and AKAP13. Interacts with DIAPH1. Interacts (in the constitutively activated, GTP-bound form) with DGKQ. Interacts with RACK1; enhances RHOA activation. Interacts with PKP4; the interaction is detected at the midbody. Interacts (GTP-bound form preferentially) with PKN2; the interaction stimulates autophosphorylation and phosphorylation of PKN2 (By similarity). Interacts with NET1, ARHGEF28 and RTKN. Interacts with ARHGDIA; this interaction inactivates and stabilizes RHOA. Interacts with ARHGDIB (By similarity). Interacts (GTP-bound form) with KCNA2 (via cytoplasmic N-terminal domain) (PubMed:9635436). Interacts (via GTP-bound form) with RIPOR1 (via N-terminus); this interaction links RHOA to STK24 and STK26 kinases (By similarity). Interacts with RIPOR2 (via active GTP- or inactive GDP-bound forms); this interaction is direct, blocks the loading of GTP to RHOA and decreases upon chemokine CCL19 stimulation in primary T lymphocytes (By similarity).By similarity1 Publication
Binary interactionsi
| With | Entry | #Exp. | IntAct | Notes |
|---|---|---|---|---|
| RTKN | Q9BST9 | 2 | EBI-643583,EBI-446694 | From Homo sapiens. |
GO - Molecular functioni
- myosin binding Source: MGI
- protein domain specific binding Source: Ensembl
- Rho GDP-dissociation inhibitor binding Source: Ensembl
Protein-protein interaction databases
| BioGridi | 198192. 37 interactors. |
| DIPi | DIP-29984N. |
| IntActi | Q9QUI0. 34 interactors. |
| MINTi | MINT-118662. |
| STRINGi | 10090.ENSMUSP00000007959. |
Structurei
Secondary structure
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Beta strandi | 4 – 11 | Combined sources | 8 | |
| Helixi | 18 – 26 | Combined sources | 9 | |
| Beta strandi | 42 – 47 | Combined sources | 6 | |
| Beta strandi | 52 – 58 | Combined sources | 7 | |
| Helixi | 64 – 66 | Combined sources | 3 | |
| Turni | 67 – 69 | Combined sources | 3 | |
| Helixi | 70 – 73 | Combined sources | 4 | |
| Beta strandi | 78 – 85 | Combined sources | 8 | |
| Helixi | 89 – 93 | Combined sources | 5 | |
| Turni | 94 – 98 | Combined sources | 5 | |
| Helixi | 99 – 106 | Combined sources | 8 | |
| Beta strandi | 112 – 117 | Combined sources | 6 | |
| Helixi | 119 – 121 | Combined sources | 3 | |
| Helixi | 125 – 133 | Combined sources | 9 | |
| Helixi | 141 – 150 | Combined sources | 10 | |
| Beta strandi | 154 – 158 | Combined sources | 5 | |
| Turni | 161 – 163 | Combined sources | 3 | |
| Helixi | 167 – 178 | Combined sources | 12 |
3D structure databases
| Select the link destinations: PDBei RCSB PDBi PDBji Links Updated | PDB entry | Method | Resolution (Å) | Chain | Positions | PDBsum |
| 4F38 | X-ray | 2.80 | A | 1-191 | [»] | |
| ProteinModelPortali | Q9QUI0. | |||||
| SMRi | Q9QUI0. | |||||
| ModBasei | Search... | |||||
| MobiDBi | Search... | |||||
Family & Domainsi
Motif
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Motifi | 34 – 42 | Effector regionSequence analysis | 9 |
Compositional bias
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Compositional biasi | 182 – 187 | Arg/Lys-rich (basic) | 6 |
Sequence similaritiesi
Phylogenomic databases
| eggNOGi | KOG0393. Eukaryota. COG1100. LUCA. |
| GeneTreei | ENSGT00760000119020. |
| HOGENOMi | HOG000233974. |
| HOVERGENi | HBG009351. |
| InParanoidi | Q9QUI0. |
| KOi | K04513. |
| OMAi | QKIGARH. |
| OrthoDBi | EOG091G0QVS. |
| PhylomeDBi | Q9QUI0. |
| TreeFami | TF300837. |
Family and domain databases
| InterProi | View protein in InterPro IPR027417. P-loop_NTPase. IPR005225. Small_GTP-bd_dom. IPR001806. Small_GTPase. IPR003578. Small_GTPase_Rho. |
| Pfami | View protein in Pfam PF00071. Ras. 1 hit. |
| SUPFAMi | SSF52540. SSF52540. 1 hit. |
| TIGRFAMsi | TIGR00231. small_GTP. 1 hit. |
| PROSITEi | View protein in PROSITE PS51420. RHO. 1 hit. |
Sequencei
Sequence statusi: Complete.
Sequence processingi: The displayed sequence is further processed into a mature form.
Q9QUI0-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MAAIRKKLVI VGDGACGKTC LLIVFSKDQF PEVYVPTVFE NYVADIEVDG
60 70 80 90 100
KQVELALWDT AGQEDYDRLR PLSYPDTDVI LMCFSIDSPD SLENIPEKWT
110 120 130 140 150
PEVKHFCPNV PIILVGNKKD LRNDEHTRRE LAKMKQEPVK PEEGRDMANR
160 170 180 190
IGAFGYMECS AKTKDGVREV FEMATRAALQ ARRGKKKSGC LIL
Experimental Info
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Sequence conflicti | 68 | R → C in AAC23710 (PubMed:9598304).Curated | 1 |
Sequence databases
| Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AF014371 mRNA. Translation: AAC23710.1. AF178958 mRNA. Translation: AAD52675.1. AF178959 mRNA. Translation: AAD52676.1. AF178960 mRNA. Translation: AAD52677.1. AF178961 mRNA. Translation: AAD52678.1. AK077606 mRNA. Translation: BAC36896.1. AK083624 mRNA. Translation: BAC38971.1. BC068115 mRNA. Translation: AAH68115.1. |
| CCDSi | CCDS23521.1. |
| RefSeqi | NP_001300890.1. NM_001313961.1. NP_001300891.1. NM_001313962.1. NP_058082.2. NM_016802.5. |
| UniGenei | Mm.318359. Mm.757. |
Genome annotation databases
| Ensembli | ENSMUST00000007959; ENSMUSP00000007959; ENSMUSG00000007815. |
| GeneIDi | 11848. |
| KEGGi | mmu:11848. |
| UCSCi | uc009rpe.2. mouse. |
Similar proteinsi
Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:| 100% | UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry. |
| 90% | UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence). |
| 50% | UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster. |
Entry informationi
| Entry namei | RHOA_MOUSE | |
| Accessioni | Q9QUI0Primary (citable) accession number: Q9QUI0 Secondary accession number(s): O88336 | |
| Entry historyi | Integrated into UniProtKB/Swiss-Prot: | April 27, 2001 |
| Last sequence update: | May 1, 2000 | |
| Last modified: | July 5, 2017 | |
| This is version 172 of the entry and version 1 of the sequence. See complete history. | ||
| Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
| Annotation program | Chordata Protein Annotation Program | |
Miscellaneousi
Keywords - Technical termi
3D-structure, Complete proteome, Reference proteomeDocuments
- MGD cross-references
Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot - PDB cross-references
Index of Protein Data Bank (PDB) cross-references - SIMILARITY comments
Index of protein domains and families
