7H5A
Crystal structure of endothiapepsin IS_cryo1 in complex with AC39729 at 100 K
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7QM0 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.6 | 293 | 0.1 M ammonium acetate, 0.1 M sodium acetate pH 4.6, and 26 - 30% (v/v) PEG 4000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.49 | 50.68 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 45.44 | α = 90 |
b = 74.11 | β = 109.97 |
c = 53.29 | γ = 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 | PIXEL | DECTRIS EIGER X 16M | 2023-09-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X10SA | 1.0 | SLS | X10SA |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | CC (Half) | 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 | 42.71 | 81.4 | 0.95 | 7.79 | 7.15 | 18374 | 29.47 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2 | 2.11 | 65.4 | 0.8 | 1.81 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2 | 42.71 | 18358 | 918 | 81.4 | 0.2149 | 0.2118 | 0.2742 | RANDOM | 32.31 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
5.9012 | 2.5596 | 9.2938 | -15.195 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_other_torsion | 14.1 |
t_omega_torsion | 3.67 |
t_angle_deg | 1.01 |
t_bond_d | 0.008 |
t_dihedral_angle_d | |
t_incorr_chiral_ct | |
t_pseud_angle | |
t_trig_c_planes | |
t_gen_planes | |
t_it |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2376 |
Nucleic Acid Atoms | |
Solvent Atoms | 287 |
Heterogen Atoms | 128 |
Software
Software | |
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Software Name | Purpose |
BUSTER | refinement |
XSCALE | data scaling |
XDS | data reduction |
PHASER | phasing |
PDB_EXTRACT | data extraction |