3BLS
AMPC BETA-LACTAMASE FROM ESCHERICHIA COLI
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 2BLS | PDB ENTRY 2BLS |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 8.7 | PROTEIN WAS CRYSTALLIZED FROM 1.7M NA/K PHOSPHATE, PH 8.7, COCRYSTALLIZED IN THE PRESENCE OF MAPB INHIBITOR. LARGER CRYSTALS WERE GROWN BY MICRO-SEEDING TECHNIQUE. |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.5 | 50 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 119.38 | α = 90 |
b = 78.97 | β = 116.3 |
c = 99.3 | γ = 90 |
Symmetry | |
---|---|
Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 293 | AREA DETECTOR | XUONG-HAMLIN MULTIWIRE | COLLIMATOR | 1995-11-06 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2.3 | 25 | 95.5 | 0.088 | 10.1 | 3.2 | 35225 | 18.6 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.3 | 2.48 | 88.3 | 0.216 | 2.7 | 2 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR SUBSTITUTION | PDB ENTRY 2BLS | 2.3 | 25 | 35707 | 35707 | 96 | 0.216 | 0.159 | 0.159 |
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 | |
---|---|
Key | Refinement Restraint Deviation |
t_dihedral_angle_d | 18.4 |
t_it | 8.01 |
t_angle_deg | 2.69 |
t_nbd | 0.023 |
t_bond_d | 0.019 |
t_gen_planes | 0.019 |
t_trig_c_planes | 0.013 |
t_incorr_chiral_ct | |
t_pseud_angle |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 5580 |
Nucleic Acid Atoms | |
Solvent Atoms | 107 |
Heterogen Atoms | 20 |
Software
Software | |
---|---|
Software Name | Purpose |
TNT | refinement |
UCSD | data reduction |
UCSD | data scaling |
TNT | phasing |