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- PDB-1lfk: Crystal structure of OxyB, a Cytochrome P450 Implicated in an Oxi... -

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Basic information

Entry
Database: PDB / ID: 1lfk
TitleCrystal structure of OxyB, a Cytochrome P450 Implicated in an Oxidative Phenol Coupling Reaction During Vancomycin Biosynthesis
ComponentsP450 monooxygenaseCytochrome P450
KeywordsOXIDOREDUCTASE / OXIDATIVE PHENOL COUPLING REACTION P450 VANCOMYCIN
Function / homology
Function and homology information


vancomycin biosynthetic process / Oxidoreductases; Acting on paired donors, with incorporation or reduction of molecular oxygen / cholest-4-en-3-one 26-monooxygenase activity / steroid hydroxylase activity / cholesterol catabolic process / iron ion binding / heme binding
Similarity search - Function
Cytochrome P450, B-class / Cytochrome p450 / Cytochrome P450 / Cytochrome P450, conserved site / Cytochrome P450 cysteine heme-iron ligand signature. / Cytochrome P450 / Cytochrome P450 superfamily / Cytochrome P450 / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
PROTOPORPHYRIN IX CONTAINING FE / Cytochrome P450 165B3
Similarity search - Component
Biological speciesAmycolatopsis orientalis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MIR / Resolution: 1.7 Å
AuthorsPylypenko, O. / Zerbe, K. / Vitali, F. / Zhang, W. / Vrijbloed, J.W. / Robinson, J.A. / Schlichting, I.
CitationJournal: J.Biol.Chem. / Year: 2002
Title: Crystal Structure of OxyB, a Cytochrome P450 Implicated in an Oxidative Phenol Coupling Reaction during Vancomycin Biosynthesis.
Authors: Zerbe, K. / Pylypenko, O. / Vitali, F. / Zhang, W. / Rouset, S. / Heck, M. / Vrijbloed, J.W. / Bischoff, D. / Bister, B. / Sussmuth, R.D. / Pelzer, S. / Wohlleben, W. / Robinson, J.A. / Schlichting, I.
History
DepositionApr 11, 2002Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Dec 11, 2002Provider: repository / Type: Initial release
Revision 1.1Apr 28, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 11, 2017Group: Refinement description / Category: software
Revision 1.4Mar 13, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _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

Downloads & links

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Assembly

Deposited unit
A: P450 monooxygenase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)45,0462
Polymers44,4301
Non-polymers6161
Water6,666370
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)100.40, 60.400, 90.30
Angle α, β, γ (deg.)90.00, 122.7, 90.00
Int Tables number5
Space group name H-MC121

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Components

#1: Protein P450 monooxygenase / Cytochrome P450 / OxyB


Mass: 44429.711 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Amycolatopsis orientalis (bacteria) / Plasmid: pET14b / Production host: Escherichia coli (E. coli) / References: UniProt: Q8RN04
#2: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME / Heme B


Mass: 616.487 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 370 / 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: 2.45 Å3/Da / Density % sol: 49.46 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: Ammonium Sulphate, K-Hepes, DTE, pottasium chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal grow
*PLUS
Temperature: 20 ℃
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formulaDetails
130 mg/mlprotein1drop
220 mM1dropKCl
35 mMdithiothreitol1drop
420 mMK-Hepes1droppH7.5
51 Mammonium sulfate1reservoir
610 mM1reservoirKCl
75 mMdithiothreitol1reservoir
8100 mMK-Hepes1reservoirpH7.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID14-1 / Wavelength: 0.93 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.93 Å / Relative weight: 1
ReflectionResolution: 1.7→28.8 Å / Num. all: 166149 / Num. obs: 49572 / % possible obs: 98.6 % / Redundancy: 3.4 % / Biso Wilson estimate: 24.1 Å2 / Rsym value: 0.066 / Net I/σ(I): 15.6
Reflection shellResolution: 1.7→1.8 Å / Redundancy: 3.4 % / Mean I/σ(I) obs: 5 / Rsym value: 0.255 / % possible all: 99.5
Reflection
*PLUS
% possible obs: 98.7 % / Num. measured all: 166149 / Rmerge(I) obs: 0.066
Reflection shell
*PLUS
% possible obs: 99.7 % / Rmerge(I) obs: 0.255 / Mean I/σ(I) obs: 5.3

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Processing

Software
NameClassification
ProDCdata collection
XDSdata reduction
CNSrefinement
XDSdata scaling
CNSphasing
RefinementMethod to determine structure: MIR / Resolution: 1.7→28.8 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 2494352.16 / Cross valid method: THROUGHOUT / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.235 2479 5 %RANDOM
Rwork0.203 ---
all0.203 49565 --
obs0.203 49565 98.7 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 39.7601 Å2 / ksol: 0.361238 e/Å3
Displacement parametersBiso mean: 27.8 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.25 Å0.21 Å
Luzzati d res low-5 Å
Luzzati sigma a0.18 Å0.17 Å
Refinement stepCycle: LAST / Resolution: 1.7→28.8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2942 0 43 370 3355
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.016
X-RAY DIFFRACTIONc_angle_deg1.7
X-RAY DIFFRACTIONc_dihedral_angle_d22.2
X-RAY DIFFRACTIONc_improper_angle_d1.13
LS refinement shellResolution: 1.7→1.81 Å / Rfactor Rfree error: 0.016 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.321 413 5 %
Rwork0.31 7843 -
obs--99.7 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2WATER_REP.PARAM
Refinement
*PLUS
Highest resolution: 1.7 Å / % reflection Rfree: 5 %
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg22.2
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg1.13
LS refinement shell
*PLUS
Highest resolution: 1.7 Å / Lowest resolution: 1.8 Å

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