4OVW
ENDOGLUCANASE I COMPLEXED WITH EPOXYBUTYL CELLOBIOSE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 22 % MEPEG 2K, 0.2 M MAGNESIUM CHLORIDE, PH 7.5 FOR 0.1 M TRIS. METHOD: HANGING DROP VAPOR DIFFUSION. THE PROTEIN SAMPLE HAD PREVIOUSLY BEEN INHIBITED WITH 8.25 MMOL 3,4-EPOXYBUTYL B-D-CELLOBIOSIDE FOR 3HRS., vapor diffusion - hanging drop |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.29 | 46 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 65.94 | α = 90 |
b = 82.62 | β = 94.16 |
c = 73.16 | 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 | 120 | IMAGE PLATE | RIGAKU | 1994-07-09 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU FR-C |
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 | 2.3 | 18 | 88 | 0.071 |
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 | 2.3 | 2.4 | 47 | 0.201 | 1.97 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R | NATIVE STRUCTURE (2 MOLECULES IN ASYMMETRIC UNIT) | 2.3 | 1587 | 0.18 | 0.27 | RANDOM |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
p_staggered_tor | 20.3 |
p_transverse_tor | 20.2 |
p_planar_tor | 4.7 |
p_scangle_it | 3.656 |
p_mcangle_it | 2.689 |
p_scbond_it | 2.603 |
p_mcbond_it | 1.887 |
p_multtor_nbd | 0.258 |
p_xyhbond_nbd | 0.21 |
p_singtor_nbd | 0.179 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6060 |
Nucleic Acid Atoms | |
Solvent Atoms | 699 |
Heterogen Atoms | 74 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |
REFMAC | refinement |