3F7B
Crystal Structure of soluble domain of CA4 in complex with small molecule.
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1ZNC | PDB ENTRY 1ZNC |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.5 | 286 | 20% PEG 3350, 0.1M Na Acetate, 0.32M Ammonium sulfate , pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 286K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.04 | 59.59 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 125.91 | α = 90 |
b = 128.556 | β = 99.88 |
c = 46.365 | 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 | 95 | IMAGE PLATE | MAR scanner 345 mm plate | mirrors | 2005-02-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200 | 1.54 |
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 | 2.05 | 19.68 | 91.7 | 0.059 | 18.6 | 2.56 | 41673 | 1 | 2 | 33.2 |
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) | |||||||||||
2.05 | 2.12 | 94.6 | 0.323 | 2.38 | 2.4 | 4299 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | 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 | THROUGHOUT | PDB ENTRY 1ZNC | 2.05 | 19.68 | 1 | 39564 | 39564 | 2094 | 91.58 | 0.2091 | 0.19368 | 0.19062 | 0.25197 | RANDOM | 30.158 |
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] | |
0.16 | 0.69 | -0.61 | 0.69 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.501 |
r_dihedral_angle_3_deg | 17.28 |
r_dihedral_angle_4_deg | 11.268 |
r_dihedral_angle_1_deg | 7.287 |
r_scangle_it | 5.741 |
r_scbond_it | 3.673 |
r_mcangle_it | 2.372 |
r_angle_refined_deg | 2.072 |
r_mcbond_it | 1.371 |
r_chiral_restr | 0.171 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4002 |
Nucleic Acid Atoms | |
Solvent Atoms | 263 |
Heterogen Atoms | 58 |
Software
Software | |
---|---|
Software Name | Purpose |
HKL-2000 | data collection |
AMoRE | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |