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- PDB-7f21: L-lactate oxidase with D-lactate -

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Basic information

Entry
Database: PDB / ID: 7f21
TitleL-lactate oxidase with D-lactate
ComponentsL-lactate oxidase
KeywordsOXIDOREDUCTASE / D-lactate / complex
Function / homologyFLAVIN MONONUCLEOTIDE / LACTIC ACID
Function and homology information
Biological speciesAerococcus viridans (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.38 Å
AuthorsMorimoto, Y. / Inaka, K.
CitationJournal: Biochem.Biophys.Res.Commun. / Year: 2021
Title: Dynamic interactions in the l-lactate oxidase active site facilitate substrate binding at pH4.5.
Authors: Furubayashi, N. / Inaka, K. / Kamo, M. / Umena, Y. / Matsuoka, T. / Morimoto, Y.
History
DepositionJun 10, 2021Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Mar 23, 2022Provider: repository / Type: Initial release
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
Revision 2.1Nov 29, 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: L-lactate oxidase
B: L-lactate oxidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)158,6796
Polymers157,5872
Non-polymers1,0934
Water13,331740
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)132.781, 132.781, 92.070
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number79
Space group name H-MI4
Components on special symmetry positions
IDModelComponents
11A-802-

HOH

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Components

#1: Protein L-lactate oxidase


Mass: 78793.289 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Aerococcus viridans (bacteria) / Production host: Aerococcus viridans (bacteria)
#2: Chemical ChemComp-FMN / FLAVIN MONONUCLEOTIDE / RIBOFLAVIN MONOPHOSPHATE


Mass: 456.344 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C17H21N4O9P
#3: Chemical ChemComp-LAC / LACTIC ACID


Mass: 90.078 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H6O3 / Feature type: SUBJECT OF INVESTIGATION
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 740 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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: 1.29 Å3/Da / Density % sol: 4.47 %
Crystal growTemperature: 298 K / Method: vapor diffusion
Details: 20 mg/ml in 50 mM sodium acetate (pH4.5) , 40% ethylene glycol

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SPring-8 / Beamline: BL44XU / Wavelength: 0.9 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Jul 20, 2020
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9 Å / Relative weight: 1
ReflectionResolution: 1.38→46.99 Å / Num. obs: 155462 / % possible obs: 99.37 % / Redundancy: 16.6 % / CC1/2: 0.96 / Net I/σ(I): 11.65
Reflection shellResolution: 1.38→1.429 Å / Num. unique obs: 16056 / CC1/2: 0.56

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Processing

Software
NameVersionClassification
REFMAC5.8.0258refinement
XDSdata reduction
Aimlessdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2DU2

2du2


Resolution: 1.38→46.99 Å / Cor.coef. Fo:Fc: 0.965 / Cor.coef. Fo:Fc free: 0.954 / SU B: 1.598 / SU ML: 0.059 / Cross valid method: THROUGHOUT / ESU R: 0.062 / ESU R Free: 0.064 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.22361 8242 5 %RANDOM
Rwork0.19583 ---
obs0.19718 155462 99.09 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 23.001 Å2
Baniso -1Baniso -2Baniso -3
1--0.04 Å2-0 Å2-0 Å2
2---0.04 Å20 Å2
3---0.07 Å2
Refinement stepCycle: 1 / Resolution: 1.38→46.99 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5682 0 74 740 6496
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0130.0135886
X-RAY DIFFRACTIONr_bond_other_d0.0010.0175358
X-RAY DIFFRACTIONr_angle_refined_deg1.8481.647986
X-RAY DIFFRACTIONr_angle_other_deg1.5381.57912418
X-RAY DIFFRACTIONr_dihedral_angle_1_deg8.0315734
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.36922.323310
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.81315942
X-RAY DIFFRACTIONr_dihedral_angle_4_deg11.4921538
X-RAY DIFFRACTIONr_chiral_restr0.10.2754
X-RAY DIFFRACTIONr_gen_planes_refined0.0120.026708
X-RAY DIFFRACTIONr_gen_planes_other0.0010.021250
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
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_it2.7832.2642942
X-RAY DIFFRACTIONr_mcbond_other2.7832.2642941
X-RAY DIFFRACTIONr_mcangle_it4.2893.3943674
X-RAY DIFFRACTIONr_mcangle_other4.2883.3943675
X-RAY DIFFRACTIONr_scbond_it32.4792944
X-RAY DIFFRACTIONr_scbond_other32.482945
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other4.6083.6134313
X-RAY DIFFRACTIONr_long_range_B_refined10.9329.4437554
X-RAY DIFFRACTIONr_long_range_B_other10.65628.547282
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.38→1.411 Å
RfactorNum. reflection% reflection
Rfree0.421 612 -
Rwork0.403 10931 -
obs--94.97 %

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