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- PDB-1a2b: HUMAN RHOA COMPLEXED WITH GTP ANALOGUE -

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Basic information

Entry
Database: PDB / ID: 1a2b
TitleHUMAN RHOA COMPLEXED WITH GTP ANALOGUE
ComponentsTRANSFORMING PROTEIN RHOA
KeywordsONCOGENE PROTEIN / SMALL G-PROTEIN / SIGNAL TRANSDUCTION / GTPASE / RAS SUPERFAMILY
Function / homology
Function and homology information


alpha-beta T cell lineage commitment / aortic valve formation / mitotic cleavage furrow formation / positive regulation of lipase activity / bone trabecula morphogenesis / endothelial tube lumen extension / skeletal muscle satellite cell migration / positive regulation of vascular associated smooth muscle contraction / angiotensin-mediated vasoconstriction involved in regulation of systemic arterial blood pressure / SLIT2:ROBO1 increases RHOA activity ...alpha-beta T cell lineage commitment / aortic valve formation / mitotic cleavage furrow formation / positive regulation of lipase activity / bone trabecula morphogenesis / endothelial tube lumen extension / skeletal muscle satellite cell migration / positive regulation of vascular associated smooth muscle contraction / angiotensin-mediated vasoconstriction involved in regulation of systemic arterial blood pressure / SLIT2:ROBO1 increases RHOA activity / RHO GTPases Activate Rhotekin and Rhophilins / Roundabout signaling pathway / negative regulation of intracellular steroid hormone receptor signaling pathway / Axonal growth inhibition (RHOA activation) / Axonal growth stimulation / cleavage furrow formation / regulation of neural precursor cell proliferation / regulation of modification of postsynaptic actin cytoskeleton / regulation of osteoblast proliferation / forebrain radial glial cell differentiation / regulation of modification of postsynaptic structure / cell junction assembly / apical junction assembly / negative regulation of cell migration involved in sprouting angiogenesis / cellular response to chemokine / establishment of epithelial cell apical/basal polarity / beta selection / regulation of systemic arterial blood pressure by endothelin / negative regulation of oxidative phosphorylation / negative regulation of motor neuron apoptotic process / RHO GTPases activate CIT / RHO GTPases Activate ROCKs / negative regulation of cell size / PCP/CE pathway / Sema4D induced cell migration and growth-cone collapse / RHO GTPases activate KTN1 / positive regulation of podosome assembly / positive regulation of alpha-beta T cell differentiation / Sema4D mediated inhibition of cell attachment and migration / apolipoprotein A-I-mediated signaling pathway / wound healing, spreading of cells / positive regulation of leukocyte adhesion to vascular endothelial cell / PI3K/AKT activation / odontogenesis / Wnt signaling pathway, planar cell polarity pathway / motor neuron apoptotic process / ossification involved in bone maturation / regulation of focal adhesion assembly / negative chemotaxis / EPHA-mediated growth cone collapse / apical junction complex / stress fiber assembly / androgen receptor signaling pathway / myosin binding / positive regulation of cytokinesis / RHOC GTPase cycle / regulation of neuron projection development / cellular response to cytokine stimulus / cerebral cortex cell migration / ERBB2 Regulates Cell Motility / semaphorin-plexin signaling pathway / cleavage furrow / ficolin-1-rich granule membrane / positive regulation of protein serine/threonine kinase activity / negative regulation of cell-substrate adhesion / RHOA GTPase cycle / mitotic spindle assembly / positive regulation of T cell migration / endothelial cell migration / PTK6 Regulates RHO GTPases, RAS GTPase and MAP kinases / skeletal muscle tissue development / GPVI-mediated activation cascade / Rho protein signal transduction / RHO GTPases activate PKNs / positive regulation of stress fiber assembly / negative regulation of reactive oxygen species biosynthetic process / cytoplasmic microtubule organization / EPHB-mediated forward signaling / positive regulation of neuron differentiation / substantia nigra development / substrate adhesion-dependent cell spreading / regulation of microtubule cytoskeleton organization / regulation of cell migration / secretory granule membrane / cell-matrix adhesion / small monomeric GTPase / TGF-beta receptor signaling in EMT (epithelial to mesenchymal transition) / cell periphery / regulation of actin cytoskeleton organization / kidney development / RHO GTPases Activate Formins / positive regulation of non-canonical NF-kappaB signal transduction / VEGFA-VEGFR2 Pathway / ruffle membrane / cytoplasmic side of plasma membrane / neuron migration / cell morphogenesis / Ovarian tumor domain proteases / cell junction / G beta:gamma signalling through PI3Kgamma
Similarity search - Function
Small GTPase Rho / Small GTPase Rho domain profile. / Rho (Ras homology) subfamily of Ras-like small GTPases / Ras subfamily of RAS small GTPases / Small GTPase / Ras family / Rab subfamily of small GTPases / Small GTP-binding protein domain / P-loop containing nucleotide triphosphate hydrolases / Rossmann fold ...Small GTPase Rho / Small GTPase Rho domain profile. / Rho (Ras homology) subfamily of Ras-like small GTPases / Ras subfamily of RAS small GTPases / Small GTPase / Ras family / Rab subfamily of small GTPases / Small GTP-binding protein domain / P-loop containing nucleotide triphosphate hydrolases / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE / Transforming protein RhoA
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.4 Å
AuthorsIhara, K. / Muraguchi, S. / Kato, M. / Shimizu, T. / Shirakawa, M. / Kuroda, S. / Kaibuchi, K. / Hakoshima, T.
Citation
Journal: J.Biol.Chem. / Year: 1998
Title: Crystal structure of human RhoA in a dominantly active form complexed with a GTP analogue.
Authors: Ihara, K. / Muraguchi, S. / Kato, M. / Shimizu, T. / Shirakawa, M. / Kuroda, S. / Kaibuchi, K. / Hakoshima, T.
#1: Journal: Embo J. / Year: 1990
Title: Refined Crystal Structure of the Triphosphate Conformation of H-Ras P21 at 1.35 A Resolution: Implications for the Mechanism of GTP Hydrolysis
Authors: Pai, E.F. / Krengel, U. / Petsko, G.A. / Goody, R.S. / Kabsch, W. / Wittinghofer, A.
History
DepositionDec 26, 1997Processing site: BNL
Revision 1.0Jun 17, 1998Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Nov 3, 2021Group: Database references / Derived calculations / Other
Category: database_2 / pdbx_database_status ...database_2 / pdbx_database_status / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.process_site / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Aug 2, 2023Group: Refinement description / Category: pdbx_initial_refinement_model
Revision 1.5May 22, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: TRANSFORMING PROTEIN RHOA
hetero molecules


Theoretical massNumber of molelcules
Total (without water)21,1603
Polymers20,5971
Non-polymers5642
Water68538
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)62.020, 74.780, 50.520
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212

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Components

#1: Protein TRANSFORMING PROTEIN RHOA


Mass: 20596.615 Da / Num. of mol.: 1 / Fragment: RESIDUES 1 - 181
Mutation: G14V, RESIDUES 1 - 181 WERE CLONED, THE N-TERMINUS CONTAINS A HIS-TAG
Source method: isolated from a genetically manipulated source
Details: COMPLEXED WITH ONE GTPGAMMAS AND ONE MG ION / Source: (gene. exp.) Homo sapiens (human) / Plasmid: PRSET B (INVITROGEN CO.) / Species (production host): Escherichia coli / Cellular location (production host): CYTOSOL / Production host: Escherichia coli BL21 (bacteria) / Strain (production host): BL21 / References: UniProt: P61586
#2: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#3: Chemical ChemComp-GSP / 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE


Mass: 539.246 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H16N5O13P3S
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 38 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.77 Å3/Da / Density % sol: 56 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: CRYSTALS WERE OBTAINED AT 277 K BY THE HANGING-DROP VAPOR DIFFUSION METHOD FROM SOLUTIONS CONTAINING 10 MG/ML(PROTEIN,GTPGAMMAS,MG2+ MIXTURE), 10% PEG 8000,7.5% 14-DIOXANE, 50 MM TRIS-HCL PH ...Details: CRYSTALS WERE OBTAINED AT 277 K BY THE HANGING-DROP VAPOR DIFFUSION METHOD FROM SOLUTIONS CONTAINING 10 MG/ML(PROTEIN,GTPGAMMAS,MG2+ MIXTURE), 10% PEG 8000,7.5% 14-DIOXANE, 50 MM TRIS-HCL PH 8.5, EQUILIBRATED AGAINST 20% PEG 8000,15% 14-DIOXANE, 100 MM TRIS-HCL PH 8.5, vapor diffusion - hanging drop
PH range: 7.5-8.5
Crystal grow
*PLUS
Temperature: 4 ℃ / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
110 mg/mlprotein1drop
250 mMTris/HCl1drop
310 %PEG80001drop
47.5 %1,4-dioxane1drop
5100 mMTris-HCl1reservoir
620 %PEG80001reservoir
715 %1,4-dioxane1reservoir

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Data collection

DiffractionMean temperature: 283 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RUH3R / Wavelength: 1.5418
DetectorType: RIGAKU RAXIS IIC / Detector: IMAGE PLATE / Date: Mar 1, 1997
RadiationMonochromator: GRAPHITE(002) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionHighest resolution: 2.4 Å / Num. obs: 8683 / % possible obs: 89.3 % / Observed criterion σ(I): 1 / Biso Wilson estimate: 31.6 Å2 / Rmerge(I) obs: 0.0875 / Net I/σ(I): 7.91
Reflection shellResolution: 2.4→2.5 Å / Rmerge(I) obs: 0.267 / Mean I/σ(I) obs: 2.04 / % possible all: 74.8
Reflection
*PLUS
Num. measured all: 61579
Reflection shell
*PLUS
% possible obs: 74.8 %

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Processing

Software
NameVersionClassification
PROCESSdata collection
PROCESSdata reduction
X-PLOR3.8model building
X-PLOR3.8refinement
PROCESSdata scaling
X-PLOR3.8phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 5P21

5p21


Resolution: 2.4→15 Å / Data cutoff high absF: 10000000 / Data cutoff low absF: 0.0001 / Cross valid method: THROUGHOUT / σ(F): 1
RfactorNum. reflection% reflectionSelection details
Rfree0.268 893 10 %RANDOM
Rwork0.195 ---
obs0.195 8382 86.7 %-
Displacement parametersBiso mean: 43.5 Å2
Refinement stepCycle: LAST / Resolution: 2.4→15 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1417 0 33 38 1488
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.01
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.314
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d22.36
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.099
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
LS refinement shellResolution: 2.4→2.51 Å / Total num. of bins used: 8
RfactorNum. reflection% reflection
Rfree0.381 77 9.7 %
Rwork0.306 717 -
obs--66.4 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PARHCSDX.PROTOPHCSDX.PRO
X-RAY DIFFRACTION2
Software
*PLUS
Name: X-PLOR / Version: 3.8 / Classification: refinement
Refinement
*PLUS
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg22.36
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.099
LS refinement shell
*PLUS
Rfactor obs: 0.306

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