1ALQ

CIRCULARLY PERMUTED BETA-LACTAMASE FROM STAPHYLOCOCCUS AUREUS PC1


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18PROTEIN WAS CRYSTALLIZED FROM 70% SATURATED AMMONIUM SULFATE SOLUTION, 0.3M KCL, 100MM NAHCO3 AT PH8.0, 0.5% V/V PEG600
Crystal Properties
Matthew coefficientSolvent content
2.9657

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.9α = 90
b = 94.2β = 90
c = 138.3γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray300AREA DETECTORSIEMENSCOLLIMATOR1996-10-01M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH2R

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
11.830890.07920.44.929813
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)
1.81.91660.4081.82.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONDIFFERENCE FOURIERFREE R-VALUEPDB ENTRY 3BLM1.83029777298188.80.1960.1910.256EVERY 10TH REFLECTION
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
21222203.5
RMS Deviations
KeyRefinement Restraint Deviation
s_anti_bump_dis_restr0.118
s_non_zero_chiral_vol0.109
s_zero_chiral_vol0.102
s_similar_adp_cmpnt0.082
s_angle_d0.04
s_from_restr_planes0.034
s_bond_d0.02
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2033
Nucleic Acid Atoms
Solvent Atoms212
Heterogen Atoms9

Software

Software
Software NamePurpose
SHELXL-97model building
X-PLORmodel building
SHELXL-97refinement
X-PLORrefinement
XENGENdata reduction
XENGENdata scaling
SHELXL-97phasing
X-PLORphasing