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- PDB-3kw4: Crystal structure of cytochrome 2B4 in complex with the anti-plat... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3kw4 | ||||||
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Title | Crystal structure of cytochrome 2B4 in complex with the anti-platelet drug ticlopidine | ||||||
![]() | Cytochrome P450 2B4 | ||||||
![]() | OXIDOREDUCTASE / P450 / cytochrome P450 2B4 / monooxygenase / membrane protein / CYP 2B4 / CYP LM2 / Endoplasmic reticulum / Heme / Iron / Membrane / Metal-binding / Microsome | ||||||
Function / homology | ![]() arachidonate epoxygenase activity / epoxygenase P450 pathway / unspecific monooxygenase / aromatase activity / xenobiotic metabolic process / iron ion binding / endoplasmic reticulum membrane / heme binding Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() ![]() | ||||||
![]() | Gay, S.C. / Maekawa, K. / Roberts, A.G. / Hong, W.-X. / Zhang, Q. / Stout, C.D. / Halpert, J.R. | ||||||
![]() | ![]() Title: Structures of cytochrome P450 2B4 complexed with the antiplatelet drugs ticlopidine and clopidogrel. Authors: Gay, S.C. / Roberts, A.G. / Maekawa, K. / Talakad, J.C. / Hong, W.X. / Zhang, Q. / Stout, C.D. / Halpert, J.R. #1: ![]() Title: Structure of microsomal cytochrome P450 2B4 complexed with the antifungal drug bifonazole: insight into P450 conformational plasticity and membrane interaction. Authors: Zhao, Y. / White, M.A. / Muralidhara, B.K. / Sun, L. / Halpert, J.R. / Stout, C.D. #2: ![]() Title: Structure of mammalian cytochrome P450 2B4 complexed with 4-(4-chlorophenyl)imidazole at 1.9 {angstrom} resolution: Insight into the range of P450 conformations and coordination of redox partner binding. Authors: Scott, E.E. / White, M.A. / He, Y.A. / Johnson, E.F. / Stout, C.D. / Halpert, J.R. #3: ![]() Title: An open conformation of mammalian cytochrome P450 2B4 at 1.6 A resolution. Authors: Scott, E.E. / He, Y.A. / Wester, M.R. / White, M.A. / Chin, C.C. / Halpert, J.R. / Johnson, E.F. / Stout, C.D. #4: ![]() Title: Structural and thermodynamic consequences of 1-(4-chlorophenyl)imidazole binding to cytochrome P450 2B4. Authors: Zhao, Y. / Sun, L. / Muralidhara, B.K. / White, M.A. / Stout, C.D. / Halpert, J.R. #5: ![]() Title: Crystal Structures of Cytochrome P450 2B4 in Complex with the Inhibitor 1-Biphenyl-4-methyl-1H-imidazole: Ligand-Induced Structural Response through Alpha-Helical Repositioning Authors: Gay, S.C. / Sun, L. / Maekawa, K. / Halpert, J.R. / Stout, C.D. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 120.1 KB | Display | ![]() |
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PDB format | ![]() | 87.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 3me6C ![]() 1suoS S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
-Protein , 1 types, 1 molecules A
#1: Protein | Mass: 54169.082 Da / Num. of mol.: 1 Mutation: E2A, G22K, H23K, P24T, K25S, A26S, H27K, R29K, H226Y Source method: isolated from a genetically manipulated source Details: Deleted residues 3-21, E2A, G22K, H23K, P24T, K25S, A26S, H27K, R29K, 4x Cterm His tag Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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-Non-polymers , 5 types, 36 molecules ![](data/chem/img/HEM.gif)
![](data/chem/img/TIC.gif)
![](data/chem/img/CM5.gif)
![](data/chem/img/CH0.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/TIC.gif)
![](data/chem/img/CM5.gif)
![](data/chem/img/CH0.gif)
![](data/chem/img/HOH.gif)
#2: Chemical | ChemComp-HEM / | ||||
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#3: Chemical | ChemComp-TIC / | ||||
#4: Chemical | #5: Chemical | ChemComp-CH0 / | #6: Water | ChemComp-HOH / | |
-Details
Sequence details | AUTHORS INDICATE THAT THERE IS AN ERROR IN THE SEQUENCE DATABASE REFERENCE AT RESIDUE 221 |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.19 Å3/Da / Density % sol: 61.48 % |
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Crystal grow | Temperature: 291 K / pH: 8.5 Details: 20% (w/v) PEG 8000, 0.2 M MgCl2 and 0.1 M Tris, pH 8.5, vapor diffusion, sitting drop, temperature 291K |
-Data collection
Diffraction | Mean temperature: 100 K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: MARMOSAIC 325 mm CCD / Detector: CCD / Date: Aug 8, 2009 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Monochromator: SI(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.98 Å / Relative weight: 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Redundancy: 7.1 % / Av σ(I) over netI: 4.2 / Number: 173539 / Rmerge(I) obs: 0.108 / Rsym value: 0.108 / D res high: 2.5 Å / D res low: 80.973 Å / Num. obs: 24553 / % possible obs: 99.8 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Diffraction reflection shell |
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Reflection | Resolution: 2.67→80.973 Å / Num. obs: 20223 / % possible obs: 99.8 % / Observed criterion σ(I): 0 / Redundancy: 7.2 % / Rmerge(I) obs: 0.101 / Rsym value: 0.101 / Net I/σ(I): 4.9 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell | Resolution: 2.67→2.81 Å / Redundancy: 7.2 % / Rmerge(I) obs: 0.416 / Mean I/σ(I) obs: 1.7 / Rsym value: 0.416 / % possible all: 100 |
-Phasing
Phasing | Method: ![]() | |||||||||
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Phasing MR | Model details: Phaser MODE: MR_AUTO
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1SUO Resolution: 2.67→68.54 Å / Cor.coef. Fo:Fc: 0.944 / Cor.coef. Fo:Fc free: 0.916 / Occupancy max: 1 / Occupancy min: 0.5 / SU B: 12.152 / SU ML: 0.253 / SU R Cruickshank DPI: 0.407 / Cross valid method: THROUGHOUT / ESU R: 0.626 / ESU R Free: 0.33 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 67.3 Å2
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Refinement step | Cycle: LAST / Resolution: 2.67→68.54 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.67→2.74 Å / Total num. of bins used: 20
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