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- PDB-1kmq: Crystal Structure of a Constitutively Activated RhoA Mutant (Q63L) -

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Entry
Database: PDB / ID: 1kmq
TitleCrystal Structure of a Constitutively Activated RhoA Mutant (Q63L)
ComponentsTRANSFORMING PROTEIN RHOA
KeywordsSIGNALING PROTEIN / GTPase / constitutive mutant / GTP-analog
Function / homology
Function and homology information


aortic valve formation / alpha-beta T cell lineage commitment / mitotic cleavage furrow formation / bone trabecula morphogenesis / positive regulation of lipase activity / 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 ...aortic valve formation / alpha-beta T cell lineage commitment / mitotic cleavage furrow formation / bone trabecula morphogenesis / positive regulation of lipase activity / 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 / regulation of neural precursor cell proliferation / cleavage furrow formation / regulation of modification of postsynaptic actin cytoskeleton / regulation of osteoblast proliferation / forebrain radial glial cell differentiation / cell junction assembly / apical junction assembly / regulation of systemic arterial blood pressure by endothelin / negative regulation of cell migration involved in sprouting angiogenesis / cellular response to chemokine / negative regulation of cell size / beta selection / establishment of epithelial cell apical/basal polarity / regulation of modification of postsynaptic structure / RHO GTPases Activate ROCKs / negative regulation of oxidative phosphorylation / negative regulation of motor neuron apoptotic process / RHO GTPases activate CIT / Sema4D induced cell migration and growth-cone collapse / PCP/CE pathway / RHO GTPases activate KTN1 / apolipoprotein A-I-mediated signaling pathway / positive regulation of podosome assembly / negative regulation of cell-substrate adhesion / positive regulation of alpha-beta T cell differentiation / ossification involved in bone maturation / odontogenesis / Wnt signaling pathway, planar cell polarity pathway / Sema4D mediated inhibition of cell attachment and migration / motor neuron apoptotic process / positive regulation of leukocyte adhesion to vascular endothelial cell / PI3K/AKT activation / wound healing, spreading of cells / apical junction complex / regulation of neuron projection development / regulation of focal adhesion assembly / negative chemotaxis / myosin binding / EPHA-mediated growth cone collapse / stress fiber assembly / RHOC GTPase cycle / androgen receptor signaling pathway / positive regulation of cytokinesis / cerebral cortex cell migration / cellular response to cytokine stimulus / ERBB2 Regulates Cell Motility / cleavage furrow / semaphorin-plexin signaling pathway / Rho protein signal transduction / ficolin-1-rich granule membrane / mitotic spindle assembly / RHOA GTPase cycle / endothelial cell migration / positive regulation of T cell migration / PTK6 Regulates RHO GTPases, RAS GTPase and MAP kinases / regulation of microtubule cytoskeleton organization / negative regulation of reactive oxygen species biosynthetic process / cytoplasmic microtubule organization / skeletal muscle tissue development / RHO GTPases activate PKNs / regulation of cell migration / positive regulation of stress fiber assembly / GPVI-mediated activation cascade / EPHB-mediated forward signaling / substantia nigra development / positive regulation of neuron differentiation / substrate adhesion-dependent cell spreading / cell-matrix adhesion / small monomeric GTPase / secretory granule membrane / G protein activity / TGF-beta receptor signaling in EMT (epithelial to mesenchymal transition) / kidney development / cell periphery / RHO GTPases Activate Formins / regulation of actin cytoskeleton organization / neuron migration / positive regulation of protein serine/threonine kinase activity / cell morphogenesis / cytoplasmic side of plasma membrane / ruffle membrane / VEGFA-VEGFR2 Pathway / positive regulation of non-canonical NF-kappaB signal transduction / G beta:gamma signalling through PI3Kgamma / G alpha (12/13) signalling events
Similarity search - Function
Small GTPase Rho / small GTPase Rho family 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 / P-loop containing nucleoside triphosphate hydrolase ...Small GTPase Rho / small GTPase Rho family 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 / P-loop containing nucleoside triphosphate hydrolase / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
1,4-DIETHYLENE DIOXIDE / PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER / Transforming protein RhoA
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.55 Å
AuthorsLongenecker, K. / Read, P. / Lin, S.-K. / Somlyo, A.P. / Nakamoto, R.K. / Derewenda, Z.S.
CitationJournal: Acta Crystallogr.,Sect.D / Year: 2003
Title: Structure of a constitutively activated RhoA mutant (Q63L) at 1.55 A resolution.
Authors: Longenecker, K. / Read, P. / Lin, S.K. / Somlyo, A.P. / Nakamoto, R.K. / Derewenda, Z.S.
History
DepositionDec 17, 2001Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 6, 2003Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 27, 2021Group: Database references / Derived calculations
Category: database_2 / pdbx_struct_conn_angle ...database_2 / 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_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 1.4Feb 14, 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)21,3946
Polymers20,6471
Non-polymers7475
Water3,783210
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)60.581, 73.340, 48.041
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 / H12


Mass: 20646.635 Da / Num. of mol.: 1 / Mutation: Q63L, F25N
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) / References: UniProt: P61586
#2: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg
#3: Chemical ChemComp-GNP / PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER


Mass: 522.196 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H17N6O13P3
Comment: GppNHp, GMPPNP, energy-carrying molecule analogue*YM
#4: Chemical ChemComp-DIO / 1,4-DIETHYLENE DIOXIDE


Mass: 88.105 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C4H8O2
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 210 / 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: 2.58 Å3/Da / Density % sol: 52.38 %
Crystal growTemperature: 282 K / Method: vapor diffusion / pH: 6.9
Details: PEG 8000, HEPES, dioxane, magnesium chloride, 2-mercaptoethanol, pH 6.9, VAPOR DIFFUSION, temperature 282K
Crystal grow
*PLUS
Temperature: 277 K
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
18 mg/mlprotein1drop
221 %PEG80001reservoir
3100 mMHEPES1reservoirpH6.9
420 %dioxane1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X9B / Wavelength: 0.9671 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Jun 19, 2001
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9671 Å / Relative weight: 1
ReflectionResolution: 1.55→30 Å / Num. obs: 30966 / % possible obs: 97.3 % / Observed criterion σ(F): 0 / Redundancy: 5 % / Rsym value: 0.036 / Net I/σ(I): 18.9
Reflection shellResolution: 1.55→1.61 Å / Mean I/σ(I) obs: 5.4 / Rsym value: 0.28 / % possible all: 84.6
Reflection
*PLUS
Lowest resolution: 30 Å / % possible obs: 97 % / Num. measured all: 154149 / Rmerge(I) obs: 0.036
Reflection shell
*PLUS
% possible obs: 85 % / Rmerge(I) obs: 0.28

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
REFMAC5refinement
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.55→48 Å / Cor.coef. Fo:Fc: 0.964 / Cor.coef. Fo:Fc free: 0.957 / SU B: 3.121 / SU ML: 0.059 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.086 / ESU R Free: 0.072 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.19023 1562 5.1 %RANDOM
Rwork0.16101 ---
obs0.16251 29355 97.35 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å
Displacement parametersBiso mean: 20.907 Å2
Baniso -1Baniso -2Baniso -3
1--0.9 Å20 Å20 Å2
2--0.25 Å20 Å2
3---0.65 Å2
Refinement stepCycle: LAST / Resolution: 1.55→48 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1386 0 46 210 1642
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0060.0221459
X-RAY DIFFRACTIONr_bond_other_d00.021301
X-RAY DIFFRACTIONr_angle_refined_deg2.3432.0051980
X-RAY DIFFRACTIONr_angle_other_deg1.24733037
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.0963176
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.68715274
X-RAY DIFFRACTIONr_chiral_restr0.1050.2218
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.021575
X-RAY DIFFRACTIONr_gen_planes_other0.0020.02269
X-RAY DIFFRACTIONr_nbd_refined0.2360.3304
X-RAY DIFFRACTIONr_nbd_other0.1890.31283
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1890.5160
X-RAY DIFFRACTIONr_xyhbond_nbd_other0.2660.54
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2480.36
X-RAY DIFFRACTIONr_symmetry_vdw_other0.1730.320
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1710.530
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_mcbond_it2.6972885
X-RAY DIFFRACTIONr_mcangle_it3.94731432
X-RAY DIFFRACTIONr_scbond_it3.4892574
X-RAY DIFFRACTIONr_scangle_it5.2933548
X-RAY DIFFRACTIONr_rigid_bond_restr1.70821459
X-RAY DIFFRACTIONr_sphericity_free3.5782212
X-RAY DIFFRACTIONr_sphericity_bonded2.88421430
LS refinement shellResolution: 1.55→1.59 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.191 93
Rwork0.157 1832
Software
*PLUS
Version: 5 / Classification: refinement
Refinement
*PLUS
% reflection Rfree: 5 % / Rfactor Rfree: 0.19 / Rfactor Rwork: 0.161
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONr_bond_d0.006
X-RAY DIFFRACTIONr_angle_d
X-RAY DIFFRACTIONr_angle_deg2.3

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