7XQV | pdb_00007xqv

The complex of nanobody Rh57 binding to GTP-bound RhoA active form

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Ras-like P-loop GTPases	8089846	3002022	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e7xqvB1	A: Family A G protein-coupled receptor-like	X: Family A G protein-coupled receptor-like	H: Family A G protein-coupled receptor-like	T: Beta-prism_lec	F:	ECOD (20:10:01)
A		e7xqvA1	A: Family A G protein-coupled receptor-like	X: Family A G protein-coupled receptor-like	H: Family A G protein-coupled receptor-like	T: Beta-prism_lec	F:	ECOD (20:10:01)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B	Heavy Chain	IGHV3	-	rhoa	SAbDab (2026-03-13)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00071	Ras family (Ras)	Ras family	Includes sub-families Ras, Rab, Rac, Ral, Ran, Rap Ypt1 and more. Shares P-loop motif with GTP_EFTU, arf and myosin_head. See Pfam:PF00009 Pfam:PF00025, Pfam:PF00063. As regards Rab GTPases, these are important regulators of vesicle formation, motili ...	Includes sub-families Ras, Rab, Rac, Ral, Ran, Rap Ypt1 and more. Shares P-loop motif with GTP_EFTU, arf and myosin_head. See Pfam:PF00009 Pfam:PF00025, Pfam:PF00063. As regards Rab GTPases, these are important regulators of vesicle formation, motility and fusion. They share a fold in common with all Ras GTPases: this is a six-stranded beta-sheet surrounded by five alpha-helices [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Rh57	-	-	-
A	RhoA	pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity protein binding binding protein domain specific binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity protein binding binding protein domain specific binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding GDP binding kinase binding enzyme binding protein kinase binding cytoskeletal protein binding myosin binding Rho GDP-dissociation inhibitor binding GDP-dissociation inhibitor binding G protein activity molecular function regulator activity	response to stimulus response to chemical response to xenobiotic stimulus developmental process multicellular organism development multicellular organismal process embryonic cleavage anatomical structure development cellular process cell division embryo development membrane organization cytoskeleton-dependent cytokinesis cytokinesis response to stimulus response to chemical response to xenobiotic stimulus developmental process multicellular organism development multicellular organismal process embryonic cleavage anatomical structure development cellular process cell division embryo development membrane organization cytoskeleton-dependent cytokinesis cytokinesis cleavage furrow formation cellular component organization cytokinetic process membrane invagination cell cycle cellular component organization or biogenesis plasma membrane invagination cell cycle process regulation of cytokinesis regulation of biological process regulation of cellular process positive regulation of cell division regulation of cell cycle process biological regulation positive regulation of biological process positive regulation of cell cycle regulation of cell division positive regulation of cytokinesis positive regulation of cell cycle process regulation of cell cycle positive regulation of cellular process head development cellular developmental process forebrain generation of neurons forebrain development animal organ development brain development nervous system development forebrain radial glial cell differentiation generation of neurons neurogenesis gliogenesis central nervous system development glial cell differentiation cell differentiation radial glial cell differentiation system development cell population proliferation regulation of cell population proliferation regulation of osteoblast proliferation osteoblast proliferation response to peptide response to chemokine response to cytokine cellular response to cytokine stimulus cellular response to chemokine sexual reproduction reproductive process organelle fission meiotic cell cycle multicellular organismal reproductive process female gamete generation meiotic cell cycle process meiotic cytokinesis gamete generation nuclear division organelle organization female meiotic nuclear division polar body extrusion after meiotic divisions meiotic nuclear division regulation of tube diameter system process regulation of tube size regulation of system process positive regulation of vasoconstriction circulatory system process regulation of blood circulation vascular process in circulatory system regulation of vasoconstriction positive regulation of multicellular organismal process regulation of multicellular organismal process blood vessel diameter maintenance regulation of biological quality vasoconstriction blood circulation regulation of anatomical structure size cellular response to stimulus intracellular receptor signaling pathway response to lipid signaling hormone-mediated signaling pathway intracellular signal transduction cell communication cellular response to endogenous stimulus response to hormone response to steroid hormone androgen receptor signaling pathway signal transduction nuclear receptor-mediated steroid hormone signaling pathway cellular response to steroid hormone stimulus steroid hormone receptor signaling pathway cellular response to hormone stimulus response to endogenous stimulus cellular response to chemical stimulus cellular response to lipid nuclear receptor-mediated signaling pathway endothelial cell migration cell migration cell motility cell adhesion substrate adhesion-dependent cell spreading cell-substrate adhesion cerebral cortex cell migration pallium development cerebral cortex development telencephalon cell migration forebrain cell migration telencephalon development regulation of cytoskeleton organization regulation of cellular component organization regulation of actin filament-based process regulation of cellular component size actin filament-based process actin polymerization or depolymerization regulation of actin filament organization actin cytoskeleton organization regulation of actin polymerization or depolymerization actin filament organization regulation of organelle organization regulation of actin filament length regulation of actin cytoskeleton organization regulation of supramolecular fiber organization supramolecular fiber organization cytoskeleton organization anatomical structure morphogenesis cell morphogenesis microtubule cytoskeleton organization meiotic spindle organization microtubule-based process spindle organization chemotaxis negative chemotaxis taxis response to external stimulus locomotion odontogenesis animal organ morphogenesis negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of biological process regulation of signal transduction negative regulation of cell communication negative regulation of intracellular steroid hormone receptor signaling pathway regulation of intracellular signal transduction regulation of intracellular steroid hormone receptor signaling pathway negative regulation of cellular process regulation of signaling negative regulation of response to stimulus negative regulation of signal transduction regulation of response to stimulus regulation of cell communication negative regulation of locomotion regulation of cell motility cell migration involved in sprouting angiogenesis regulation of blood vessel endothelial cell migration angiogenesis negative regulation of endothelial cell migration negative regulation of blood vessel endothelial cell migration tube morphogenesis regulation of cell migration regulation of endothelial cell migration blood vessel endothelial cell migration negative regulation of cell migration blood vessel development blood vessel morphogenesis tube development regulation of cell migration involved in sprouting angiogenesis sprouting angiogenesis vasculature development circulatory system development regulation of locomotion anatomical structure formation involved in morphogenesis negative regulation of cell motility negative regulation of cell migration involved in sprouting angiogenesis regulation of protein modification process positive regulation of phosphorylation regulation of catalytic activity regulation of protein phosphorylation positive regulation of protein metabolic process regulation of transferase activity positive regulation of phosphate metabolic process regulation of primary metabolic process positive regulation of protein serine/threonine kinase activity positive regulation of metabolic process positive regulation of molecular function positive regulation of protein modification process phosphate-containing compound metabolic process positive regulation of macromolecule metabolic process protein metabolic process positive regulation of protein kinase activity phosphorus metabolic process protein modification process positive regulation of protein phosphorylation protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation regulation of protein metabolic process positive regulation of catalytic activity primary metabolic process regulation of protein kinase activity regulation of macromolecule metabolic process regulation of molecular function positive regulation of kinase activity regulation of kinase activity macromolecule modification regulation of protein serine/threonine kinase activity regulation of phosphorylation regulation of phosphorus metabolic process metabolic process macromolecule metabolic process regulation of metabolic process small GTPase-mediated signal transduction Rho protein signal transduction intracellular signaling cassette heart development heart valve development aortic valve development heart valve morphogenesis aortic valve formation semi-lunar valve development aortic valve morphogenesis heart valve formation nucleoside phosphate metabolic process ribose phosphate metabolic process purine nucleoside triphosphate metabolic process GTP metabolic process carbohydrate derivative metabolic process nucleotide metabolic process purine-containing compound metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process ribonucleotide metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process purine ribonucleoside triphosphate metabolic process small molecule metabolic process nucleoside triphosphate metabolic process purine ribonucleotide metabolic process localization organelle localization spindle localization regulation of vascular associated smooth muscle cell proliferation negative regulation of cell population proliferation regulation of smooth muscle cell proliferation negative regulation of vascular associated smooth muscle cell proliferation smooth muscle cell proliferation negative regulation of smooth muscle cell proliferation muscle cell proliferation vascular associated smooth muscle cell proliferation regulation of leukocyte differentiation regulation of leukocyte activation regulation of alpha-beta T cell activation regulation of cell activation mononuclear cell differentiation regulation of cell differentiation lymphocyte differentiation positive regulation of T cell differentiation regulation of cell development positive regulation of developmental process positive regulation of cell activation T cell activation positive regulation of leukocyte activation alpha-beta T cell activation T cell differentiation regulation of immune system process positive regulation of immune system process positive regulation of T cell activation positive regulation of cell development positive regulation of alpha-beta T cell activation regulation of leukocyte cell-cell adhesion leukocyte differentiation positive regulation of alpha-beta T cell differentiation regulation of developmental process cell development positive regulation of leukocyte cell-cell adhesion regulation of alpha-beta T cell differentiation lymphocyte activation leukocyte cell-cell adhesion leukocyte activation positive regulation of cell-cell adhesion regulation of T cell differentiation positive regulation of lymphocyte activation alpha-beta T cell differentiation cell-cell adhesion positive regulation of hemopoiesis positive regulation of cell differentiation regulation of cell-cell adhesion regulation of lymphocyte differentiation regulation of multicellular organismal development hemopoiesis positive regulation of cell adhesion regulation of cell adhesion cell activation regulation of T cell activation immune system process regulation of hemopoiesis positive regulation of leukocyte differentiation positive regulation of lymphocyte differentiation regulation of lymphocyte activation alpha-beta T cell lineage commitment T cell lineage commitment cell fate commitment regulation of growth growth positive regulation of cell growth regulation of cell growth cell growth positive regulation of growth positive regulation of cell communication positive regulation of signal transduction positive regulation of canonical NF-kappaB signal transduction positive regulation of response to stimulus positive regulation of intracellular signal transduction canonical NF-kappaB signal transduction regulation of canonical NF-kappaB signal transduction positive regulation of signaling vascular associated smooth muscle contraction positive regulation of smooth muscle contraction regulation of vascular associated smooth muscle contraction smooth muscle contraction regulation of smooth muscle contraction muscle contraction positive regulation of vascular associated smooth muscle contraction muscle system process regulation of muscle system process regulation of muscle contraction positive regulation of muscle contraction skeletal muscle satellite cell migration regulation of systemic arterial blood pressure by endothelin regulation of systemic arterial blood pressure by hormone regulation of systemic arterial blood pressure mediated by a chemical signal regulation of blood pressure regulation of systemic arterial blood pressure endocrine process bone trabecula morphogenesis trabecula morphogenesis regulation of vascular associated smooth muscle cell migration vascular associated smooth muscle cell migration negative regulation of vascular associated smooth muscle cell migration regulation of smooth muscle cell migration smooth muscle cell migration muscle cell migration negative regulation of smooth muscle cell migration polarized epithelial cell differentiation establishment of monopolar cell polarity establishment or maintenance of monopolar cell polarity establishment or maintenance of cell polarity epithelial cell differentiation morphogenesis of a polarized epithelium establishment or maintenance of apical/basal cell polarity establishment or maintenance of bipolar cell polarity epithelium development establishment of epithelial cell apical/basal polarity morphogenesis of an epithelium tissue development establishment of cell polarity tissue morphogenesis establishment or maintenance of epithelial cell apical/basal polarity establishment of apical/basal cell polarity establishment of epithelial cell polarity response to hexose response to monosaccharide response to carbohydrate response to glucose response to oxygen-containing compound cytoplasmic microtubule organization positive regulation of organelle organization positive regulation of cellular component organization cellular component biogenesis regulation of protein-containing complex assembly positive regulation of protein-containing complex assembly cellular component assembly positive regulation of protein polymerization protein-containing complex assembly regulation of actin filament polymerization protein polymerization actin filament polymerization protein-containing complex organization positive regulation of cellular component biogenesis positive regulation of cytoskeleton organization regulation of cellular component biogenesis positive regulation of supramolecular fiber organization regulation of protein polymerization positive regulation of actin filament polymerization positive regulation of locomotion positive regulation of cell migration positive regulation of cell motility regulation of cell-substrate adhesion negative regulation of cell adhesion negative regulation of cell-substrate adhesion membraneless organelle assembly mitotic cell cycle mitotic sister chromatid segregation chromosome segregation microtubule cytoskeleton organization involved in mitosis mitotic nuclear division organelle assembly chromosome organization sister chromatid segregation spindle assembly mitotic spindle organization mitotic spindle assembly mitotic cell cycle process nuclear chromosome segregation cell surface receptor signaling pathway Roundabout signaling pathway regulation of modification of postsynaptic actin cytoskeleton regulation of modification of synaptic structure regulation of synapse organization cell junction organization modification of postsynaptic actin cytoskeleton regulation of synapse structure or activity regulation of modification of postsynaptic structure synapse organization modification of synaptic structure modification of postsynaptic structure regulation of neuron projection development cell projection organization neuron projection development neuron differentiation plasma membrane bounded cell projection organization regulation of cell projection organization neuron development regulation of plasma membrane bounded cell projection organization regulation of actin filament bundle assembly positive regulation of actin filament bundle assembly actin filament bundle organization positive regulation of stress fiber assembly stress fiber assembly actomyosin structure organization regulation of stress fiber assembly contractile actin filament bundle assembly regulation of actomyosin structure organization actin filament bundle assembly negative regulation of cell size regulation of cell size positive regulation of leukocyte adhesion to vascular endothelial cell regulation of leukocyte adhesion to vascular endothelial cell leukocyte adhesion to vascular endothelial cell negative regulation of cell differentiation negative regulation of developmental process negative regulation of neuron differentiation regulation of neuron differentiation beta selection T cell selection regulation of calcium ion transport regulation of localization transport regulation of transport regulation of monoatomic ion transport establishment of localization metal ion transport calcium ion transport monoatomic ion transport regulation of metal ion transport monoatomic cation transport response to ketone response to progesterone cellular response to oxygen-containing compound cellular response to progesterone stimulus cellular response to ketone neural precursor cell proliferation regulation of neural precursor cell proliferation neuron apoptotic process positive regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death cell death positive regulation of apoptotic process apoptotic process positive regulation of neuron apoptotic process programmed cell death regulation of neuron apoptotic process cell junction assembly apical junction assembly cell-cell junction assembly cell-cell junction organization cellular component disassembly protein-containing complex disassembly microtubule polymerization or depolymerization microtubule depolymerization protein depolymerization negative regulation of cell projection organization negative regulation of cellular component organization negative regulation of neuron projection development regulation of systemic arterial blood pressure by renin-angiotensin positive regulation of systemic arterial blood pressure maintenance of blood vessel diameter homeostasis by renin-angiotensin angiotensin-mediated vasoconstriction involved in regulation of systemic arterial blood pressure positive regulation of blood pressure regulation of lymphocyte migration positive regulation of mononuclear cell migration regulation of mononuclear cell migration positive regulation of lymphocyte migration regulation of leukocyte migration positive regulation of T cell migration lymphocyte migration positive regulation of leukocyte migration leukocyte migration regulation of T cell migration mononuclear cell migration T cell migration response to decreased oxygen levels response to hypoxia response to stress response to oxygen levels response to abiotic stimulus positive regulation of podosome assembly regulation of podosome assembly podosome assembly regulation of organelle assembly positive regulation of organelle assembly endothelium development morphogenesis of an endothelium endothelial tube lumen extension endothelial tube morphogenesis epithelial tube morphogenesis kidney development renal system development response to acid chemical response to amino acid cell-matrix adhesion apolipoprotein A-I-mediated signaling pathway establishment or maintenance of actin cytoskeleton polarity establishment or maintenance of cytoskeleton polarity negative regulation of canonical NF-kappaB signal transduction regulation of nervous system development negative regulation of cell junction assembly negative regulation of nervous system development regulation of synapse assembly negative regulation of synapse organization regulation of cell junction assembly negative regulation of multicellular organismal process synapse assembly negative regulation of synapse assembly reactive oxygen species biosynthetic process regulation of biosynthetic process negative regulation of metabolic process reactive oxygen species metabolic process regulation of reactive oxygen species biosynthetic process negative regulation of reactive oxygen species metabolic process biosynthetic process negative regulation of reactive oxygen species biosynthetic process negative regulation of biosynthetic process regulation of reactive oxygen species metabolic process dendrite development regulation of dendrite development biological process involved in interspecies interaction between organisms response to other organism cellular response to lipopolysaccharide cellular response to molecule of bacterial origin response to lipopolysaccharide response to biotic stimulus cellular response to biotic stimulus response to bacterium response to external biotic stimulus response to molecule of bacterial origin muscle structure development skeletal muscle organ development skeletal muscle tissue development muscle tissue development muscle organ development striated muscle tissue development aerobic respiration cellular respiration oxidative phosphorylation energy derivation by oxidation of organic compounds negative regulation of cellular respiration regulation of generation of precursor metabolites and energy generation of precursor metabolites and energy regulation of cellular respiration regulation of aerobic respiration regulation of oxidative phosphorylation negative regulation of oxidative phosphorylation plasma membrane bounded cell projection morphogenesis cell projection morphogenesis neuron projection morphogenesis response to corticosteroid response to glucocorticoid regulation of microtubule-based process regulation of microtubule cytoskeleton organization response to alcohol response to ethanol mitotic cytokinetic process mitotic cytokinesis mitotic cleavage furrow formation positive regulation of translation protein biosynthetic process positive regulation of macromolecule biosynthetic process post-transcriptional regulation of gene expression positive regulation of biosynthetic process gene expression translation macromolecule biosynthetic process regulation of gene expression positive regulation of gene expression regulation of translation regulation of macromolecule biosynthetic process response to mechanical stimulus positive regulation of neuron differentiation semaphorin-plexin signaling pathway bone maturation developmental maturation skeletal system development ossification anatomical structure maturation ossification involved in bone maturation animal organ maturation bone development stress-activated protein kinase signaling cascade cellular response to stress neuron migration RNA metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process nucleic acid metabolic process regulation of DNA-templated transcription wound healing epiboly involved in wound healing morphogenesis of an epithelial sheet epiboly wound healing, spreading of cells response to wounding negative regulation of neuron apoptotic process negative regulation of programmed cell death motor neuron apoptotic process regulation of motor neuron apoptotic process negative regulation of apoptotic process negative regulation of motor neuron apoptotic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol apical junction complex cell-cell junction anchoring junction cell junction neuron spine synapse neuron projection dendritic spine plasma membrane bounded cell projection somatodendritic compartment cellular anatomical structure intracellular anatomical structure cytoplasm cytosol apical junction complex cell-cell junction anchoring junction cell junction neuron spine synapse neuron projection dendritic spine plasma membrane bounded cell projection somatodendritic compartment cell projection postsynapse dendrite dendritic tree midbody ruffle cell leading edge plasma membrane membrane leading edge membrane cell periphery ruffle membrane plasma membrane region cell projection membrane cell division site cleavage furrow membrane-bounded organelle endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle vesicle lamellipodium glutamatergic synapse cell body neuronal cell body axon cell cortex cytoplasmic side of plasma membrane cytoplasmic side of membrane side of membrane cytoskeleton spindle membraneless organelle meiotic spindle intracellular membraneless organelle microtubule cytoskeleton nucleus

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR001806	Small GTPase	Family
A	IPR003578	Small GTPase Rho	Family
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A	IPR005225	Small GTP-binding domain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.