2QKN

Crystal structure of Maize cytokinin oxidase/dehydrogenase complexed with phenylurea inhibitor CPPU


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1W1OPDB ENTRY 1W1O

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP729315.5% PEG 1500, 0.5% n-octyl beta-D-glucoside, Tris-HCl, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Crystal Properties
Matthews coefficientSolvent content
2.9157.73

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 249.544α = 90
b = 50.523β = 94.01
c = 51.257γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152004-12-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM30A0.98ESRFBM30A

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.153032292322922
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.152.286.90.2663.710.232292

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTthoroughPDB ENTRY 1W1O2.1530322923229100.1910.231random
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
c_angle_deg1.3
c_bond_d0.062
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3784
Nucleic Acid Atoms
Solvent Atoms295
Heterogen Atoms205

Software

Software
Software NamePurpose
MOLREPphasing
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling