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- PDB-1uxi: Large improvement in the thermal stability of a tetrameric malate... -

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Basic information

Entry
Database: PDB / ID: 1uxi
TitleLarge improvement in the thermal stability of a tetrameric malate dehydrogenase by single point mutations at the dimer-dimer interface
ComponentsMALATE DEHYDROGENASE
KeywordsOXIDOREDUCTASE / TRICARBOXYLIC ACID CYCLE / MALATE DEHYDROGENASE
Function / homology
Function and homology information


malate dehydrogenase / L-malate dehydrogenase (NAD+) activity / lactate metabolic process / L-lactate dehydrogenase activity / pyruvate metabolic process / tricarboxylic acid cycle / cytoplasm
Similarity search - Function
Malate dehydrogenase, type 3 / L-2-Hydroxyisocaproate Dehydrogenase; Chain A, domain 2 / Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal / L-lactate/malate dehydrogenase / Lactate/malate dehydrogenase, N-terminal / Lactate/malate dehydrogenase, C-terminal / lactate/malate dehydrogenase, NAD binding domain / lactate/malate dehydrogenase, alpha/beta C-terminal domain / Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal / NAD(P)-binding Rossmann-like Domain ...Malate dehydrogenase, type 3 / L-2-Hydroxyisocaproate Dehydrogenase; Chain A, domain 2 / Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal / L-lactate/malate dehydrogenase / Lactate/malate dehydrogenase, N-terminal / Lactate/malate dehydrogenase, C-terminal / lactate/malate dehydrogenase, NAD binding domain / lactate/malate dehydrogenase, alpha/beta C-terminal domain / Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal / NAD(P)-binding Rossmann-like Domain / NAD(P)-binding domain superfamily / Alpha-Beta Complex / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
FUMARIC ACID / NICOTINAMIDE-ADENINE-DINUCLEOTIDE / Malate dehydrogenase
Similarity search - Component
Biological speciesCHLOROFLEXUS AURANTIACUS (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.1 Å
AuthorsBjork, A. / Dalhus, B. / Mantzilas, D. / Eijsink, V.G.H. / Sirevag, R.
CitationJournal: J.Mol.Biol. / Year: 2004
Title: Large Improvement in the Thermal Stability of a Tetrameric Malate Dehydrogenase by Single Point Mutations at the Dimer-Dimer Interface.
Authors: Bjork, A. / Dalhus, B. / Mantzilas, D. / Sirevag, R. / Eijsink, V.G.H.
History
DepositionFeb 25, 2004Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 26, 2004Provider: repository / Type: Initial release
Revision 1.1Jul 18, 2012Group: Atomic model / Derived calculations ...Atomic model / Derived calculations / Non-polymer description / Other / Version format compliance
Revision 1.2Apr 15, 2015Group: Database references
Revision 1.3May 22, 2019Group: Data collection / Other / Refinement description
Category: pdbx_database_proc / pdbx_database_status / refine
Item: _pdbx_database_status.recvd_author_approval / _refine.pdbx_ls_cross_valid_method
Revision 1.4Jul 24, 2019Group: Data collection / Category: diffrn_source / Item: _diffrn_source.pdbx_synchrotron_site
Revision 2.0Nov 15, 2023Group: Atomic model / Data collection ...Atomic model / Data collection / Database references / Derived calculations / Other
Category: atom_site / chem_comp_atom ...atom_site / chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / struct_site
Item: _atom_site.auth_atom_id / _atom_site.label_atom_id ..._atom_site.auth_atom_id / _atom_site.label_atom_id / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 2.1Dec 13, 2023Group: Refinement description / Category: pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: MALATE DEHYDROGENASE
B: MALATE DEHYDROGENASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)67,0787
Polymers65,4962
Non-polymers1,5825
Water8,107450
1
A: MALATE DEHYDROGENASE
B: MALATE DEHYDROGENASE
hetero molecules

A: MALATE DEHYDROGENASE
B: MALATE DEHYDROGENASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)134,15514
Polymers130,9914
Non-polymers3,16410
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation7_556y,x,-z+11
MethodPQS
Unit cell
Length a, b, c (Å)149.383, 149.383, 113.866
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number96
Space group name H-MP43212
Components on special symmetry positions
IDModelComponents
11B-1312-

NA

21A-2053-

HOH

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Components

#1: Protein MALATE DEHYDROGENASE


Mass: 32747.811 Da / Num. of mol.: 2 / Mutation: YES
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) CHLOROFLEXUS AURANTIACUS (bacteria) / Production host: ESCHERICHIA COLI (E. coli) / References: UniProt: P80040, malate 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-FUM / FUMARIC ACID


Mass: 116.072 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C4H4O4
#4: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Na
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 450 / Source method: isolated from a natural source / Formula: H2O
Compound detailsENGINEERED MUTATION IN CHAIN A GLU 165 TO LYS 165 ENGINEERED MUTATION IN CHAIN B GLU 165 TO LYS 165

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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: 4.85 Å3/Da / Density % sol: 74 %
Crystal growpH: 6.5 / Details: 20-40% PEG400, 100 MM NASUCCINATE, PH 6.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: X31 / Wavelength: 1
DetectorType: MARRESEARCH / Detector: IMAGE PLATE
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.1→25 Å / Num. obs: 74855 / % possible obs: 91.4 % / Redundancy: 5.4 % / Rmerge(I) obs: 0.089 / Net I/σ(I): 20.5
Reflection shellResolution: 2.1→2.18 Å / Rmerge(I) obs: 0.53 / Mean I/σ(I) obs: 3.7 / % possible all: 83.5

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Processing

Software
NameVersionClassification
CNS1refinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1GUY

1guy


Resolution: 2.1→25 Å / Cross valid method: THROUGHOUT / σ(F): 2
RfactorNum. reflection% reflectionSelection details
Rfree0.276 6893 9.4 %RANDOM
Rwork0.243 ---
obs0.243 61970 91.4 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 66.7 Å2
Displacement parametersBiso mean: 28.7 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.35 Å0.33 Å
Refinement stepCycle: LAST / Resolution: 2.1→25 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4574 0 105 450 5129
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
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_deg1.27
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d21.5
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
LS refinement shellResolution: 2.1→2.18 Å / Total num. of bins used: 10
RfactorNum. reflection% reflection
Rfree0.406 600 9 %
Rwork0.354 5606 -
obs--83.5 %

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