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- PDB-1wxd: Crystal Structure of Shikimate 5-Dehydrogenase (AroE) from Thermu... -

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Basic information

Entry
Database: PDB / ID: 1wxd
TitleCrystal Structure of Shikimate 5-Dehydrogenase (AroE) from Thermus Thermophilus HB8
Componentsshikimate 5-dehydrogenase
KeywordsOXIDOREDUCTASE / Shikimate / Dimer / Structural Genomics / RIKEN Structural Genomics/Proteomics Initiative / RSGI
Function / homology
Function and homology information


shikimate dehydrogenase (NADP+) / shikimate 3-dehydrogenase (NADP+) activity / shikimate metabolic process / chorismate biosynthetic process / aromatic amino acid family biosynthetic process / amino acid biosynthetic process / NADP binding / cytosol
Similarity search - Function
Shikimate dehydrogenase / Quinate/shikimate 5-dehydrogenase/glutamyl-tRNA reductase / Shikimate / quinate 5-dehydrogenase / Shikimate dehydrogenase family / SDH, C-terminal / Shikimate 5'-dehydrogenase C-terminal domain / Shikimate dehydrogenase substrate binding, N-terminal / Shikimate dehydrogenase substrate binding domain / Leucine Dehydrogenase, chain A, domain 1 / Aminoacid dehydrogenase-like, N-terminal domain superfamily ...Shikimate dehydrogenase / Quinate/shikimate 5-dehydrogenase/glutamyl-tRNA reductase / Shikimate / quinate 5-dehydrogenase / Shikimate dehydrogenase family / SDH, C-terminal / Shikimate 5'-dehydrogenase C-terminal domain / Shikimate dehydrogenase substrate binding, N-terminal / Shikimate dehydrogenase substrate binding domain / Leucine Dehydrogenase, chain A, domain 1 / Aminoacid dehydrogenase-like, N-terminal domain superfamily / NAD(P)-binding Rossmann-like Domain / NAD(P)-binding domain superfamily / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
ACETATE ION / Shikimate dehydrogenase (NADP(+))
Similarity search - Component
Biological speciesThermus thermophilus (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.1 Å
AuthorsBagautdinov, B. / Kunishima, N. / RIKEN Structural Genomics/Proteomics Initiative (RSGI)
CitationJournal: J.Mol.Biol. / Year: 2007
Title: Crystal Structures of Shikimate Dehydrogenase AroE from Thermus thermophilus HB8 and its Cofactor and Substrate Complexes: Insights into the Enzymatic Mechanism
Authors: Bagautdinov, B. / Kunishima, N.
History
DepositionJan 21, 2005Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Feb 1, 2005Provider: repository / Type: Initial release
Revision 1.1Nov 5, 2007Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Source and taxonomy / Version format compliance
Revision 1.3Oct 25, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _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 5-dehydrogenase
B: shikimate 5-dehydrogenase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)57,1589
Polymers56,6342
Non-polymers5247
Water8,665481
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)62.027, 71.606, 113.125
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 shikimate 5-dehydrogenase / AroE


Mass: 28316.791 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Thermus thermophilus (bacteria) / Strain: HB8 / Gene: AroE / Plasmid: pET11a / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3)
References: UniProt: Q5SJF8, shikimate dehydrogenase (NADP+)
#2: Chemical
ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C2H3O2
#3: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: SO4
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 481 / 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: 2.22 Å3/Da / Density % sol: 44.6 %
Crystal growTemperature: 295 K / Method: microbatch / pH: 4.6
Details: Ammonium sulfate, Sodium Acetate trihydrate, PEG4000, pH 4.6, microbatch, temperature 295K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU FR-D / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: Dec 28, 2004 / Details: mirrors
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.1→36.1 Å / Num. all: 29247 / Num. obs: 29082 / % possible obs: 96.6 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 5.4 % / Biso Wilson estimate: 21.8 Å2 / Rmerge(I) obs: 0.082 / Net I/σ(I): 10.2
Reflection shellResolution: 2.1→2.23 Å / Redundancy: 4.7 % / Rmerge(I) obs: 0.5 / Mean I/σ(I) obs: 3.7 / Num. unique all: 4211 / Rsym value: 0.263 / % possible all: 89.9

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Processing

Software
NameVersionClassification
HKL-2000data collection
SCALEPACKdata scaling
CNS1.1refinement
HKL-2000data reduction
CNS1.1phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1NVT

1nvt


Resolution: 2.1→36.1 Å / Isotropic thermal model: OVERALL / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflectionSelection details
Rfree0.266 1457 RANDOM
Rwork0.204 --
all-29247 -
obs-29082 -
Displacement parametersBiso mean: 34.7 Å2
Baniso -1Baniso -2Baniso -3
1--1.29 Å20 Å20 Å2
2--0.26 Å20 Å2
3---1.03 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.35 Å0.25 Å
Luzzati d res low-5 Å
Luzzati sigma a0.32 Å0.23 Å
Refinement stepCycle: LAST / Resolution: 2.1→36.1 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4002 0 31 481 4514
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_angle_deg1.3
X-RAY DIFFRACTIONc_dihedral_angle_d23.6
X-RAY DIFFRACTIONc_improper_angle_d0.91

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