1TQH

Covalent Reaction intermediate Revealed in Crystal Structure of the Geobacillus stearothermophilus Carboxylesterase Est30


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5297LITHIUM SULFATE, PEG400, DIOXANE, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 297K
Crystal Properties
Matthews coefficientSolvent content
2.2445

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 55.654α = 90
b = 58.205β = 90
c = 179.045γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray95CCDMARMOSAIC 225 mm CCD2003-10-22MSINGLE WAVELENGTH
21x-ray95CCDMAR CCD 165 mm2003-03-06MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-IDAPS22-ID
2SYNCHROTRONAPS BEAMLINE 22-ID0.97920, 0.97933, 0.971602, 0.987072APS22-ID

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
1,21.635097.50.1556.236452
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)
1,21.631.6990.50.18114.36.235555

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADFREE R1.631035376176896.70.17140.16810.2279RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
92115
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.087
s_non_zero_chiral_vol0.051
s_zero_chiral_vol0.038
s_similar_adp_cmpnt0.038
s_from_restr_planes0.0245
s_angle_d0.024
s_anti_bump_dis_restr0.011
s_bond_d0.008
s_rigid_bond_adp_cmpnt0.002
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1959
Nucleic Acid Atoms
Solvent Atoms153
Heterogen Atoms17

Software

Software
Software NamePurpose
HKL-2000data collection
HKL-2000data reduction
SOLVEphasing
RESOLVEmodel building
ARP/wARPmodel building
SHELXL-97refinement
MAR345data collection
HKL-2000data scaling
RESOLVEphasing