7A3H
NATIVE ENDOGLUCANASE CEL5A CATALYTIC CORE DOMAIN AT 0.95 ANGSTROMS RESOLUTION
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1A3H |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 5.5 | pH 5.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.95 | 36.4 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 54.71 | ¦Á = 90 |
b = 69.57 | ¦Â = 90 |
c = 77.04 | ¦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 | IMAGE PLATE | MARRESEARCH | 1997-03-16 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX9.6 | SRS | PX9.6 |
Data Collection
Overall | |||||||||||||||||||
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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 | 0.95 | 20 | 97 | 0.043 | 0.043 | 31 | 5 | 170547 | 6.7 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 0.95 | 0.97 | 83.8 | 0.3 | 0.3 | 3.5 | 4 |
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-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 1A3H | 0.95 | 20 | 176480 | 8854 | 99.6 | 0.11 | 0.13 | 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 | |
---|---|
Key | Refinement Restraint Deviation |
p_transverse_tor | 29 |
p_staggered_tor | 12.4 |
p_planar_tor | 6.1 |
p_scangle_it | 3.7 |
p_scbond_it | 2.7 |
p_mcangle_it | 2.3 |
p_mcbond_it | 1.7 |
p_multtor_nbd | 0.262 |
p_singtor_nbd | 0.171 |
p_chiral_restr | 0.116 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2377 |
Nucleic Acid Atoms | |
Solvent Atoms | 483 |
Heterogen Atoms | 9 |
Software
Software | |
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Software Name | Purpose |
CCP4 | model building |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
CCP4 | phasing |