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- PDB-6a1a: Mandelate oxidase mutant-Y128F with 4-hydroxymandelic acid -

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Basic information

Entry
Database: PDB / ID: 6a1a
TitleMandelate oxidase mutant-Y128F with 4-hydroxymandelic acid
Components4-hydroxymandelate oxidase
KeywordsFLAVOPROTEIN / FMN-dependent oxidase
Function / homology
Function and homology information


4-hydroxymandelate oxidase / oxidoreductase activity, acting on the CH-OH group of donors, oxygen as acceptor / vancomycin biosynthetic process / FMN binding
Similarity search - Function
Alpha-hydroxy acid dehydrogenase, FMN-dependent / FMN-dependent alpha-hydroxy acid dehydrogenase, active site / FMN hydroxy acid dehydrogenase domain / FMN-dependent alpha-hydroxy acid dehydrogenases active site. / FMN-dependent alpha-hydroxy acid dehydrogenase domain profile. / FMN-dependent dehydrogenase / FMN-dependent dehydrogenase / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel ...Alpha-hydroxy acid dehydrogenase, FMN-dependent / FMN-dependent alpha-hydroxy acid dehydrogenase, active site / FMN hydroxy acid dehydrogenase domain / FMN-dependent alpha-hydroxy acid dehydrogenases active site. / FMN-dependent alpha-hydroxy acid dehydrogenase domain profile. / FMN-dependent dehydrogenase / FMN-dependent dehydrogenase / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
FLAVIN MONONUCLEOTIDE / (2S)-hydroxy(4-hydroxyphenyl)ethanoic acid / 4-hydroxymandelate oxidase
Similarity search - Component
Biological speciesAmycolatopsis orientalis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.35 Å
AuthorsLi, T.L. / Lin, K.H.
CitationJournal: Acta Crystallogr D Struct Biol / Year: 2019
Title: Biochemical and structural explorations of alpha-hydroxyacid oxidases reveal a four-electron oxidative decarboxylation reaction.
Authors: Yeh, H.W. / Lin, K.H. / Lyu, S.Y. / Li, Y.S. / Huang, C.M. / Wang, Y.L. / Shih, H.W. / Hsu, N.S. / Wu, C.J. / Li, T.L.
History
DepositionJun 7, 2018Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jun 19, 2019Provider: repository / Type: Initial release
Revision 1.1Aug 14, 2019Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.journal_abbrev / _citation.journal_id_CSD ..._citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year
Revision 1.2Nov 22, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: 4-hydroxymandelate oxidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)40,8224
Polymers40,0301
Non-polymers7933
Water7,188399
1
A: 4-hydroxymandelate oxidase
hetero molecules

A: 4-hydroxymandelate oxidase
hetero molecules

A: 4-hydroxymandelate oxidase
hetero molecules

A: 4-hydroxymandelate oxidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)163,28916
Polymers160,1184
Non-polymers3,17112
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_555-x,-y,z1
crystal symmetry operation3_555-y,x,z1
crystal symmetry operation4_555y,-x,z1
Buried area14030 Å2
ΔGint-106 kcal/mol
Surface area43340 Å2
MethodPISA
Unit cell
Length a, b, c (Å)137.836, 137.836, 111.469
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number97
Space group name H-MI422

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Components

#1: Protein 4-hydroxymandelate oxidase


Mass: 40029.562 Da / Num. of mol.: 1 / Mutation: Y128F
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Amycolatopsis orientalis (bacteria) / Gene: hmo / Production host: Escherichia coli (E. coli) / References: UniProt: O52792, 4-hydroxymandelate oxidase
#2: Chemical ChemComp-FMN / FLAVIN MONONUCLEOTIDE / RIBOFLAVIN MONOPHOSPHATE


Mass: 456.344 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C17H21N4O9P
#3: Chemical ChemComp-HHH / (2S)-hydroxy(4-hydroxyphenyl)ethanoic acid


Mass: 168.147 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C8H8O4
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 399 / 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: 3.5 Å3/Da / Density % sol: 64.82 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7 / Details: 35% Tascimate, 0.1M Bis-Tris propane pH 7.0

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSRRC / Beamline: BL15A1 / Wavelength: 1 Å
DetectorType: RAYONIX MX300HE / Detector: CCD / Date: Jul 8, 2017
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.35→30 Å / Num. obs: 116144 / % possible obs: 100 % / Redundancy: 12.2 % / Rmerge(I) obs: 0.051 / Rpim(I) all: 0.02 / Χ2: 0.95 / Net I/σ(I): 36.09
Reflection shellResolution: 1.35→1.4 Å / Redundancy: 12 % / Rmerge(I) obs: 0.746 / Mean I/σ(I) obs: 2.69 / Num. unique obs: 11478 / CC1/2: 0.844 / Rpim(I) all: 0.269 / Χ2: 0.824 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.8.0189refinement
HKL-2000data reduction
HKL-2000data scaling
PHENIXphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3SGZ

3sgz


Resolution: 1.35→30 Å / Cor.coef. Fo:Fc: 0.972 / Cor.coef. Fo:Fc free: 0.968 / SU B: 0.68 / SU ML: 0.028 / Cross valid method: THROUGHOUT / ESU R: 0.042 / ESU R Free: 0.043 / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.1796 5435 4.9 %RANDOM
Rwork0.1668 ---
obs0.16742 106077 95.92 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso mean: 17.726 Å2
Baniso -1Baniso -2Baniso -3
1--0.05 Å20 Å20 Å2
2---0.05 Å20 Å2
3---0.09 Å2
Refinement stepCycle: 1 / Resolution: 1.35→30 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2498 0 55 401 2954
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0080.0192756
X-RAY DIFFRACTIONr_bond_other_d0.0020.022647
X-RAY DIFFRACTIONr_angle_refined_deg1.3811.993775
X-RAY DIFFRACTIONr_angle_other_deg0.92436078
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.675372
X-RAY DIFFRACTIONr_dihedral_angle_2_deg29.94422.288118
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.10115440
X-RAY DIFFRACTIONr_dihedral_angle_4_deg14.2521534
X-RAY DIFFRACTIONr_chiral_restr0.0770.2433
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.023176
X-RAY DIFFRACTIONr_gen_planes_other0.0020.02604
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_it0.9541.5211405
X-RAY DIFFRACTIONr_mcbond_other0.9511.5181404
X-RAY DIFFRACTIONr_mcangle_it1.6372.2721770
X-RAY DIFFRACTIONr_mcangle_other1.6372.2751771
X-RAY DIFFRACTIONr_scbond_it1.3111.8051351
X-RAY DIFFRACTIONr_scbond_other1.311.8061352
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other2.1272.6321994
X-RAY DIFFRACTIONr_long_range_B_refined5.97320.7423409
X-RAY DIFFRACTIONr_long_range_B_other5.45719.4523275
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.351→1.386 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.246 252 -
Rwork0.235 5492 -
obs--67.53 %

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