2NNG
Structure of inhibitor binding to Carbonic Anhydrase II
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 7.7 | 277 | (NH4)2SO4, Tris, pH 7.7, vapor diffusion, temperature 277K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.08 | 40.78 |
Crystal Data
Unit Cell | |
---|---|
Length ( ? ) | Angle ( ? ) |
a = 42.289 | ¦Á = 90 |
b = 41.44 | ¦Â = 104.56 |
c = 71.975 | ¦Ã = 90 |
Symmetry | |
---|---|
Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | 2005-11-10 | SINGLE WAVELENGTH | |||||||
2 | 1 | x-ray |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.2 | 1.1 | ALS | 5.0.2 |
2 |
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 | 1.2 | 70 | 98.8 | 0.076 | 12.4 | 3.3 | 74655 | 12.58 |
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 | 1.2 | 1.24 | 95.3 | 0.27 | 2.57 | 2.2 | 7174 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | AB INITIO | FREE R | 1.2 | 70 | 73136 | 1502 | 96 | 0.13 | 0.132 | 0.165 | RANDOM | 19.83 |
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 |
s_approx_iso_adps | 0.092 |
s_zero_chiral_vol | 0.08 |
s_non_zero_chiral_vol | 0.079 |
s_anti_bump_dis_restr | 0.075 |
s_similar_adp_cmpnt | 0.053 |
s_angle_d | 0.03 |
s_from_restr_planes | 0.03 |
s_bond_d | 0.013 |
s_rigid_bond_adp_cmpnt | 0.004 |
s_similar_dist |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 2060 |
Nucleic Acid Atoms | |
Solvent Atoms | 273 |
Heterogen Atoms | 20 |
Software
Software | |
---|---|
Software Name | Purpose |
SHELXL-97 | refinement |
SCALEPACK | data scaling |
CNS | refinement |
PDB_EXTRACT | data extraction |
Blu-Ice | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
PHASER | phasing |
DENZO | data reduction |