1GKT
Neutron Laue diffraction structure of endothiapepsin complexed with transition state analogue inhibitor H261
NEUTRON DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 4.5 | AS FOR 2ER7, PH 4.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
39 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 43.1 | α = 90 |
b = 75.7 | β = 97 |
c = 42.9 | γ = 90 |
Symmetry | |
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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 | neutron | 293 | IMAGE PLATE | 1999-11-01 | L | LAUE |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | NUCLEAR REACTOR | ILL BEAMLINE LADI | 2.7-3.6 | ILL | LADI |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.1 | 20 | 85 | 0.075 | 0.075 | 5.4 | 3.4 | 13548 | 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) | |||||||||||
1 | 2.1 | 2.2 | 72.6 | 0.119 | 1.7 | 2.4 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
NEUTRON DIFFRACTION | THROUGHOUT | 2.1 | 20 | 13548 | 687 | 85 | 0.235 | 0.274 | 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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_anti_bump_dis_restr | 0.051 |
s_non_zero_chiral_vol | 0.027 |
s_from_restr_planes | 0.023 |
s_zero_chiral_vol | 0.023 |
s_angle_d | 0.014 |
s_bond_d | 0.009 |
s_similar_dist | |
s_rigid_bond_adp_cmpnt | |
s_similar_adp_cmpnt | |
s_approx_iso_adps |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 2467 |
Nucleic Acid Atoms | |
Solvent Atoms | 255 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
SHELXL-97 | refinement |
LAUEGEN | data reduction |
SCALA | data scaling |