1JKX

Unexpected formation of an epoxide-derived multisubstrate adduct inhibitor on the active site of GAR transformylase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.4295PEG 3350, CaCl2, MPD, imidazole malate, PH 7.4, VAPOR DIFFUSION, SITTING DROP at 295K
Crystal Properties
Matthews coefficientSolvent content
2.3647.93

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 55.14α = 80.83
b = 56.01β = 71.71
c = 76.13γ = 83.69
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray95IMAGE PLATEMARRESEARCHMIRRORS1998-04-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-10.980SSRLBL9-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
11.63094.40.056.21.9106828-322.1
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.61.6476.40.3252.21.56398

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPBD ENTRY 1C2T1.6301067441069094.40.2210.2210.243RANDOM23.8
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]
-0.64-0.472.66-4.03-1.773.39
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23
c_scangle_it2.62
c_scbond_it1.89
c_mcangle_it1.73
c_angle_deg1.2
c_mcbond_it1.16
c_improper_angle_d0.75
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6468
Nucleic Acid Atoms
Solvent Atoms607
Heterogen Atoms208

Software

Software
Software NamePurpose
EPMRphasing
CNSrefinement
MAR345data collection
MOSFLMdata reduction
CCP4data scaling
TRUNCATEdata scaling