1OCB
Structure of the wild-type cellobiohydrolase Cel6A from Humicolas insolens in complex with a fluorescent substrate
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2BVW | PDB ENTRY 2BVW |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 4.6 | THE PROTEIN WAS CONCENTRATED IN WATER TO 7 MG/ML IT WAS INCUBATED 1H PRIOR CRYSTALLISATION WITH THE 5MM OF THE SUBSTRATE 16% PEG5KMME AND 200 MM CALCIUM ACETATE WERE USED AS PRECIPITANT AND 100 MM SODIUM ACETATE PH 4.6 AS BUFFER. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.1 | 41.7 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 49.763 | ¦Á = 90 |
b = 155.681 | ¦Â = 118.42 |
c = 51.218 | ¦Ã = 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 | CCD | ADSC CCD | 2000-11-15 | 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 | 1.75 | 40 | 97.5 | 0.041 | 17.3 | 2.2 | 69418 | 2 |
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 | 1.75 | 1.81 | 91.3 | 0.128 | 6 | 2 |
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 2BVW | 1.75 | 38.92 | 63815 | 3394 | 97.7 | 0.135 | 0.133 | 0.168 | RANDOM | 9.06 |
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] | |
1.68 | 0.25 | -1.26 | -0.17 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_1_deg | 5.904 |
r_scangle_it | 3.5 |
r_scbond_it | 2.331 |
r_angle_refined_deg | 1.578 |
r_mcangle_it | 1.348 |
r_angle_other_deg | 0.911 |
r_mcbond_it | 0.796 |
r_symmetry_vdw_other | 0.258 |
r_nbd_other | 0.255 |
r_nbd_refined | 0.221 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5630 |
Nucleic Acid Atoms | |
Solvent Atoms | 715 |
Heterogen Atoms | 230 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |