2NNO
Structure of inhibitor binding to Carbonic Anhydrase II
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2CBA |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 7.7 | 277 | (NH4)2SO4, Tris, pH 7.7, vapor diffusion, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.08 | 40.81 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 42.28 | ¦Á = 90 |
b = 41.361 | ¦Â = 104.5 |
c = 72.135 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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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 | 1.0 | ALS | 5.0.2 |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.01 | 100 | 95.4 | 0.064 | 13.7 | 3.4 | 120621 | 8.1 |
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 | 1.01 | 1.05 | 71.7 | 0.345 | 2 | 2.2 | 8965 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | FREE R | 2CBA | 1.01 | 100 | 118194 | 2407 | 93.5 | 0.121 | 0.122 | 0.148 | RANDOM | 15.679 |
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 | |
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Key | Refinement Restraint Deviation |
s_anti_bump_dis_restr | 0.1 |
s_approx_iso_adps | 0.1 |
s_non_zero_chiral_vol | 0.093 |
s_zero_chiral_vol | 0.092 |
s_similar_adp_cmpnt | 0.049 |
s_angle_d | 0.031 |
s_from_restr_planes | 0.031 |
s_bond_d | 0.015 |
s_rigid_bond_adp_cmpnt | 0.005 |
s_similar_dist |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2066 |
Nucleic Acid Atoms | |
Solvent Atoms | 340 |
Heterogen Atoms | 37 |
Software
Software | |
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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 |