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- PDB-1zui: Structural Basis for Shikimate-binding Specificity of Helicobacte... -

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Basic information

Entry
Database: PDB / ID: 1zui
TitleStructural Basis for Shikimate-binding Specificity of Helicobacter pylori Shikimate Kinase
ComponentsShikimate kinase
KeywordsTRANSFERASE / alpha-beta protein
Function / homology
Function and homology information


shikimate kinase / shikimate kinase activity / chorismate biosynthetic process / aromatic amino acid family biosynthetic process / amino acid biosynthetic process / magnesium ion binding / ATP binding / cytosol
Similarity search - Function
Shikimate kinase, conserved site / Shikimate kinase signature. / Shikimate kinase/Threonine synthase-like 1 / Shikimate kinase/gluconokinase / Shikimate kinase / P-loop containing nucleotide triphosphate hydrolases / Rossmann fold / P-loop containing nucleoside triphosphate hydrolase / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
PHOSPHATE ION / Chem-SKM / Shikimate kinase
Similarity search - Component
Biological speciesHelicobacter pylori (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.3 Å
AuthorsCheng, W.C. / Chang, Y.N. / Wang, W.C.
CitationJournal: J.Bacteriol. / Year: 2005
Title: Structural basis for shikimate-binding specificity of Helicobacter pylori shikimate kinase
Authors: Cheng, W.C. / Chang, Y.N. / Wang, W.C.
History
DepositionMay 31, 2005Deposition site: RCSB / Processing site: PDBJ
Revision 1.0May 31, 2006Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Source and taxonomy / Version format compliance
Revision 1.3Oct 11, 2017Group: Refinement description / Category: software
Revision 1.4Mar 13, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / 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 / _struct_ref_seq_dif.details / _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: Shikimate kinase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)19,5343
Polymers19,2651
Non-polymers2692
Water1,18966
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)97.286, 97.286, 46.909
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number169
Space group name H-MP61

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Components

#1: Protein Shikimate kinase


Mass: 19265.336 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Helicobacter pylori (bacteria) / Strain: 26695 / Gene: AroK / Plasmid: pQE30 / Production host: Escherichia coli (E. coli) / Strain (production host): JM109 / References: UniProt: P56073, shikimate kinase
#2: Chemical ChemComp-PO4 / PHOSPHATE ION


Mass: 94.971 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: PO4
#3: Chemical ChemComp-SKM / (3R,4S,5R)-3,4,5-TRIHYDROXYCYCLOHEX-1-ENE-1-CARBOXYLIC ACID / SHIKIMATE


Mass: 174.151 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C7H10O5
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 66 / 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: 2

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Sample preparation

CrystalDensity Matthews: 3.6 Å3/Da / Density % sol: 65.2 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: Lithium sulfate, sodium cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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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 / Date: Nov 22, 2004
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.3→84.51 Å / Num. all: 11460 / Num. obs: 11417 / % possible obs: 99.7 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 / Rmerge(I) obs: 0.093 / Χ2: 1.13
Reflection shellResolution: 2.3→2.38 Å / % possible obs: 97.9 % / Rmerge(I) obs: 0.451 / Num. measured obs: 1116 / Χ2: 0.997 / % possible all: 97.9

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Phasing

Phasing MRRfactor: 0.42 / Cor.coef. Fo:Fc: 0.652
Highest resolutionLowest resolution
Rotation3 Å20.92 Å
Translation3 Å20.92 Å

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACT1.601data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.3→30 Å / Cor.coef. Fo:Fc: 0.949 / Cor.coef. Fo:Fc free: 0.902 / SU B: 8.083 / SU ML: 0.185 / Cross valid method: THROUGHOUT / σ(F): 2 / ESU R: 0.236 / ESU R Free: 0.231 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.28 548 4.8 %RANDOM
Rwork0.203 ---
all0.207 11460 --
obs0.207 10842 99.56 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 50.345 Å2
Baniso -1Baniso -2Baniso -3
1--4.82 Å2-2.41 Å20 Å2
2---4.82 Å20 Å2
3---7.23 Å2
Refinement stepCycle: LAST / Resolution: 2.3→30 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1261 0 17 66 1344
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0420.0221291
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg3.252.0011728
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg10.2685156
X-RAY DIFFRACTIONr_dihedral_angle_2_deg
X-RAY DIFFRACTIONr_dihedral_angle_3_deg
X-RAY DIFFRACTIONr_dihedral_angle_4_deg
X-RAY DIFFRACTIONr_chiral_restr0.2430.2201
X-RAY DIFFRACTIONr_gen_planes_refined0.0150.02927
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2990.2704
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.2130.279
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2540.217
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.6261.5777
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it3.01821245
X-RAY DIFFRACTIONr_scbond_it5.4793514
X-RAY DIFFRACTIONr_scangle_it8.1134.5483
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.3→2.36 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.324 32
Rwork0.327 795

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