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- PDB-3a4v: Crystal structure of pyruvate bound L-Threonine dehydrogenase fro... -

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Basic information

Entry
Database: PDB / ID: 3a4v
TitleCrystal structure of pyruvate bound L-Threonine dehydrogenase from Hyperthermophilic Archaeon Thermoplasma volcanium
ComponentsNDP-sugar epimerase
KeywordsOXIDOREDUCTASE / L-Threonine dehydrogenase / pyruvate
Function / homology
Function and homology information


L-threonine 3-dehydrogenase activity / L-threonine catabolic process / nucleotide binding
Similarity search - Function
: / NAD-dependent epimerase/dehydratase / NAD dependent epimerase/dehydratase family / NAD(P)-binding Rossmann-like Domain / NAD(P)-binding domain superfamily / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
NICOTINAMIDE-ADENINE-DINUCLEOTIDE / PYRUVIC ACID / NDP-sugar epimerase
Similarity search - Component
Biological speciesThermoplasma volcanium (archaea)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.78 Å
AuthorsYoneda, K. / Sakuraba, H. / Ohshima, T.
CitationJournal: J.Biol.Chem. / Year: 2012
Title: Crystal Structure of Binary and Ternary Complexes of Archaeal UDP-galactose 4-Epimerase-like L-Threonine Dehydrogenase from Thermoplasma volcanium.
Authors: Yoneda, K. / Sakuraba, H. / Araki, T. / Ohshima, T.
History
DepositionJul 20, 2009Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jul 28, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2May 2, 2012Group: Database references
Revision 1.3Nov 1, 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
Revision 2.0Nov 15, 2023Group: Atomic model / Data collection / Category: atom_site / chem_comp_atom / chem_comp_bond
Item: _atom_site.auth_atom_id / _atom_site.label_atom_id ..._atom_site.auth_atom_id / _atom_site.label_atom_id / _chem_comp_atom.atom_id / _chem_comp_bond.atom_id_1 / _chem_comp_bond.atom_id_2

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: NDP-sugar epimerase
B: NDP-sugar epimerase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)73,5158
Polymers71,7762
Non-polymers1,7396
Water5,332296
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6340 Å2
ΔGint-46 kcal/mol
Surface area22330 Å2
MethodPISA
Unit cell
Length a, b, c (Å)149.803, 45.988, 89.778
Angle α, β, γ (deg.)90.00, 113.37, 90.00
Int Tables number5
Space group name H-MC121
Components on special symmetry positions
IDModelComponents
11A-477-

HOH

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Components

#1: Protein NDP-sugar epimerase / L-threonine dehydrogenase


Mass: 35887.891 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Thermoplasma volcanium (archaea) / Gene: TV0452, TVG0440460 / Plasmid: PET11A / Production host: Escherichia coli (E. coli) / References: UniProt: Q97BK3, L-threonine 3-dehydrogenase
#2: Chemical ChemComp-NAD / NICOTINAMIDE-ADENINE-DINUCLEOTIDE


Mass: 663.425 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C21H27N7O14P2 / Comment: NAD*YM
#3: Chemical ChemComp-PYR / PYRUVIC ACID


Mass: 88.062 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H4O3
#4: Chemical ChemComp-MPD / (4S)-2-METHYL-2,4-PENTANEDIOL


Mass: 118.174 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C6H14O2 / Comment: precipitant*YM
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 296 / 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: 1.98 Å3/Da / Density % sol: 37.8 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 6.4
Details: 48% MPD, 0.1M Sodium Cacodylate (pH6.4), 5% PEG8000, VAPOR DIFFUSION, SITTING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: BL-17A / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Jun 2, 2009
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.78→50 Å / Num. obs: 53908 / Biso Wilson estimate: 18.7 Å2

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Processing

Software
NameVersionClassification
HKL-2000data collection
MOLREPphasing
CNS1.1refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 3A1N

3a1n


Resolution: 1.78→43.8 Å /
RfactorNum. reflection
Rfree0.209 -
Rwork0.203 -
obs-53908
Refinement stepCycle: LAST / Resolution: 1.78→43.8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4944 0 116 296 5356

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