7PTI
STRUCTURAL EFFECTS INDUCED BY REMOVAL OF A DISULFIDE BRIDGE. THE X-RAY STRUCTURE OF THE C30A(SLASH)C51A MUTANT OF BASIC PANCREATIC TRYPSIN INHIBITOR AT 1.6 ANGSTROMS
X-RAY DIFFRACTION
Crystallization
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.93 | 36.3 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 74.36 | α = 90 |
b = 23.26 | β = 90 |
c = 28.88 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | 1.6 | 8 | 2 | 5510 | 0.17 |
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 | |
---|---|
Key | Refinement Restraint Deviation |
p_scangle_it | 5.231 |
p_scbond_it | 3.518 |
p_mcangle_it | 3.077 |
p_mcbond_it | 2.194 |
p_chiral_restr | 0.159 |
p_planar_d | 0.07 |
p_angle_d | 0.06 |
p_bond_d | 0.02 |
p_plane_restr | 0.02 |
p_angle_deg |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 462 |
Nucleic Acid Atoms | |
Solvent Atoms | 70 |
Heterogen Atoms | 5 |
Software
Software | |
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Software Name | Purpose |
PROLSQ | refinement |