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- PDB-1ujc: Structure of the protein histidine phosphatase SixA complexed wit... -

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Basic information

Entry
Database: PDB / ID: 1ujc
TitleStructure of the protein histidine phosphatase SixA complexed with tungstate
ComponentsPhosphohistidine phosphatase sixA
KeywordsHYDROLASE / alpha-beta fold
Function / homology
Function and homology information


protein histidine phosphatase activity / regulation of phosphorelay signal transduction system / Hydrolases; Acting on ester bonds; Phosphoric-monoester hydrolases / protein modification process / cytoplasm
Similarity search - Function
Phosphohistidine phosphatase SixA / Phosphoglycerate mutase-like / Histidine phosphatase superfamily, clade-1 / Histidine phosphatase superfamily (branch 1) / Histidine phosphatase superfamily / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
TUNGSTATE(VI)ION / Phosphohistidine phosphatase SixA
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / MIR / Resolution: 1.9 Å
AuthorsHamada, K. / Kato, M. / Shimizu, T. / Ihara, K. / Mizuno, T. / Hakoshima, T.
Citation
Journal: Genes Cells / Year: 2005
Title: Crystal structure of the protein histidine phosphatase SixA in the multistep His-Asp phosphorelay.
Authors: Hamada, K. / Kato, M. / Shimizu, T. / Ihara, K. / Mizuno, T. / Hakoshima, T.
#1: Journal: Acta Crystallogr.,Sect.D / Year: 1999
Title: Crystallographic characterization of a novel protein SixA which exhibits phospho-histidine phosphatase activity in the multistep His-Asp phosphorelay
Authors: Hamada, K. / Kato, M. / Mizuno, T. / Hakoshima, T.
History
DepositionJul 31, 2003Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jan 25, 2005Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Dec 27, 2023Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_struct_conn_angle / struct_conn / 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.ptnr1_symmetry / _pdbx_struct_conn_angle.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_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.ptnr3_symmetry / _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.ptnr1_symmetry / _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_conn.ptnr2_symmetry / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Phosphohistidine phosphatase sixA
hetero molecules


Theoretical massNumber of molelcules
Total (without water)17,5073
Polymers17,2191
Non-polymers2882
Water4,216234
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)39.126, 47.737, 81.963
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Phosphohistidine phosphatase sixA / protein histidine phosphatase SixA / RX6


Mass: 17218.699 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3)
References: UniProt: P76502, Hydrolases; Acting on ester bonds; Phosphoric-monoester hydrolases
#2: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca
#3: Chemical ChemComp-WO4 / TUNGSTATE(VI)ION


Mass: 247.838 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: WO4
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 234 / 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: 1.95 Å3/Da / Density % sol: 36.29 %
Crystal growTemperature: 283 K / Method: vapor diffusion, hanging drop / pH: 6.6
Details: PEG6000, CaCl2, MES, WO4Na2, pH 6.6, VAPOR DIFFUSION, HANGING DROP, temperature 283K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU300 / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IV / Detector: IMAGE PLATE
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.9→50 Å / Num. obs: 12302 / % possible obs: 97 % / Biso Wilson estimate: 13 Å2
Reflection shellResolution: 1.9→1.97 Å / % possible all: 77.4

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Processing

Software
NameVersionClassification
CNS1.1refinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
RefinementMethod to determine structure: MIR / Resolution: 1.9→41.25 Å / Rfactor Rfree error: 0.007 / Data cutoff high absF: 1087869.03 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.256 1218 10.3 %RANDOM
Rwork0.199 ---
obs0.199 11829 93.5 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 36.5416 Å2 / ksol: 0.300434 e/Å3
Displacement parametersBiso mean: 17.6 Å2
Baniso -1Baniso -2Baniso -3
1--0.41 Å20 Å20 Å2
2---2.09 Å20 Å2
3---2.5 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.29 Å0.21 Å
Luzzati d res low-5 Å
Luzzati sigma a0.16 Å0.12 Å
Refinement stepCycle: LAST / Resolution: 1.9→41.25 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1165 0 6 234 1405
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.005
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.4
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d23.9
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.85
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.071.5
X-RAY DIFFRACTIONc_mcangle_it1.512
X-RAY DIFFRACTIONc_scbond_it14.352
X-RAY DIFFRACTIONc_scangle_it12.592.5
LS refinement shellResolution: 1.9→2.02 Å / Rfactor Rfree error: 0.025 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.305 148 9.6 %
Rwork0.234 1394 -
obs--74.9 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2WATER_REP.PARAMWATER.TOP
X-RAY DIFFRACTION3ION.PARAMION.TOP

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