1TF8
Streptomyces griseus aminopeptidase complexed with L-tryptophan
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 298 | PEG 4000, sodium acetate, pH 5.5, vapor diffusion, hanging drop, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.27 | 45.45 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 61.339 | α = 90 |
b = 61.339 | β = 90 |
c = 144.964 | γ = 90 |
Symmetry | |
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Space Group | P 41 21 2 |
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 | 95 | CCD | ADSC QUANTUM 4 | 2001-09-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X26C | 1.100 | NSLS | X26C |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.3 | 20 | 90.4 | 0.091 | 9.6 | 10 | 62291 | 62291 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1.3 | 1.32 | 60.2 | 0.216 | 10 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | FREE R | 1.3 | 20 | 62291 | 62291 | 3137 | 90.4 | 0.1281 | 0.1742 | RANDOM |
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 |
21 | 2494.97 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_approx_iso_adps | 0.077 |
s_zero_chiral_vol | 0.076 |
s_non_zero_chiral_vol | 0.076 |
s_from_restr_planes | 0.0288 |
s_angle_d | 0.027 |
s_similar_adp_cmpnt | 0.026 |
s_anti_bump_dis_restr | 0.018 |
s_bond_d | 0.012 |
s_rigid_bond_adp_cmpnt | 0.004 |
s_similar_dist |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2024 |
Nucleic Acid Atoms | |
Solvent Atoms | 448 |
Heterogen Atoms | 33 |
Software
Software | |
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Software Name | Purpose |
SHELXL-97 | refinement |
SCALEPACK | data scaling |
CNS | refinement |
DENZO | data reduction |
CNS | phasing |