1OC5
D405N mutant of the CELLOBIOHYDROLASE CEL6A FROM HUMICOLA INSOLENS in complex with methyl-cellobiosyl-4-deoxy-4-thio-beta-D-cellobioside
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1BVW | PDB ENTRY 1BVW |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 7.5 | PROTEIN WAS CONCENTRATED TO 20 MG/ML IN WATER. CRYSTALLISATION IN 100MM MAGNESIUM ACETATE IN 100MM HEPES BUFFER AT PH 7.5. PRECIPITANT WAS 16% POLYETHYLENE GLYCOL 5000MME. THE PROTEIN WAS INCUBATED WITH 1MM OF THE INHIBITOR PRIOR CRYSTALLISATION. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.05 | 38.8 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 57.504 | ¦Á = 90 |
b = 60.148 | ¦Â = 90 |
c = 97.207 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 CCD | TOROIDAL MIRROR | 1999-09-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-4 | ESRF | ID14-4 |
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 | 1.7 | 50 | 93.9 | 0.055 | 17 | 2.9 | 33830 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.7 | 1.76 | 88.7 | 0.157 | 5.8 | 2.7 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | PDB ENTRY 1BVW | 1.7 | 50 | 33830 | 1773 | 94.1 | 0.129 | 0.127 | 0.168 | RANDOM | 9.09 |
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] | |
-0.43 | 0.21 | 0.22 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.021 |
r_dihedral_angle_4_deg | 17.508 |
r_dihedral_angle_3_deg | 11.374 |
r_dihedral_angle_1_deg | 5.279 |
r_scangle_it | 3.6 |
r_scbond_it | 2.372 |
r_angle_other_deg | 2.143 |
r_angle_refined_deg | 1.653 |
r_mcangle_it | 1.535 |
r_mcbond_it | 0.934 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2839 |
Nucleic Acid Atoms | |
Solvent Atoms | 471 |
Heterogen Atoms | 95 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |