2BLS

AMPC BETA-LACTAMASE FROM ESCHERICHIA COLI


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.7PROTEIN WAS CRYSTALLIZED FROM 1.7M NA/K PHOSPHATE, PH 8.7. LARGER CRYSTALS WERE GROWN BY MICRO-SEEDING TECHNIQUE
Crystal Properties
Matthews coefficientSolvent content
2.550

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 117.73α = 90
b = 77.35β = 116.45
c = 97.59γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray105IMAGE PLATERIGAKUCOLLIMATOR1994-01-19M
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
122577.40.0710.81.841301124.2
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)
122.2558.10.1833.1

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 2BLT2251413014130177.40.2160.216
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
t_dihedral_angle_d19.2
t_it7.76
t_angle_deg2.82
t_nbd0.027
t_bond_d0.019
t_gen_planes0.018
t_trig_c_planes0.014
t_incorr_chiral_ct
t_pseud_angle
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5580
Nucleic Acid Atoms
Solvent Atoms82
Heterogen Atoms

Software

Software
Software NamePurpose
AMoREphasing
TNTrefinement
MSCdata reduction
MSCdata scaling