1IM6
CRYSTAL STRUCTURE OF UNLIGATED HPPK(R82A) FROM E.COLI AT 1.74 ANGSTROM RESOLUTION
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1HKA | PDB ID 1HKA |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.4 | 292 | PEG4000, MAGNESIUM CHLORIDE, ACETATE, FORMATE, pH 8.40, VAPOR DIFFUSION, HANGING DROP, temperature 292.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.97 | 35.1 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 36.106 | ¦Á = 90 |
b = 47.178 | ¦Â = 109.44 |
c = 43.816 | ¦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 4 | MIRROR | 2001-02-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X9B | 0.97125 | NSLS | X9B |
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 | 1.74 | 30 | 95.9 | 0.108 | 11.4195 | 3.508 | 14272 | 14272 | 23.3 |
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) | |||||||||||
1.74 | 1.8 | 93.9 | 0.403 | 2.183 | 3.072 | 1382 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | 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 | FREE R | PDB ID 1HKA | 1.74 | 30 | 2 | 4 | 13121 | 10417 | 655 | 91.4 | 0.1907 | 0.1641 | 0.172 | 0.206 | RANDOM | 22.307 |
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] | |
Coordinate Error | ||
---|---|---|
Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
1 | 1260 | 1540 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_similar_adp_cmpnt | 0.074 |
s_non_zero_chiral_vol | 0.037 |
s_zero_chiral_vol | 0.034 |
s_from_restr_planes | 0.025 |
s_angle_d | 0.021 |
s_anti_bump_dis_restr | 0.015 |
s_bond_d | 0.006 |
s_similar_dist | |
s_rigid_bond_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1261 |
Nucleic Acid Atoms | |
Solvent Atoms | 279 |
Heterogen Atoms | 1 |
Software
Software | |
---|---|
Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |
SHELXL-97 | refinement |