5AC5
GH20C, Beta-hexosaminidase from Streptococcus pneumoniae in complex with GlcNAc
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2EPN | PDB ENTRY 2EPN |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 10.2 | 12% (W/V) PEG 3350, 0.2 M MAGNESIUM CHLORIDE, 0.05 M CAPS, PH 10.2, 1% GLYCEROL |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.99 | 38.08 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 87.74 | ¦Á = 90 |
b = 98.09 | ¦Â = 90 |
c = 132.87 | ¦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 | 291 | CCD | MARMOSAIC 225 mm CCD | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CLSI BEAMLINE 08ID-1 | CLSI | 08ID-1 |
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 | 1.84 | 46.6 | 100 | 0.08 | 18 | 8.1 | 100651 | 2 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.84 | 1.94 | 100 | 0.32 | 6.2 | 8 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 2EPN | 1.84 | 78.92 | 95549 | 5023 | 99.98 | 0.17134 | 0.16956 | 0.2047 | RANDOM | 18.297 |
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] | |
0.79 | -0.34 | -0.45 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.23 |
r_dihedral_angle_4_deg | 18.925 |
r_dihedral_angle_3_deg | 12.71 |
r_dihedral_angle_1_deg | 6.327 |
r_scbond_it | 1.737 |
r_mcangle_it | 1.719 |
r_angle_refined_deg | 1.145 |
r_mcbond_it | 1.102 |
r_chiral_restr | 0.092 |
r_bond_refined_d | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 9851 |
Nucleic Acid Atoms | |
Solvent Atoms | 593 |
Heterogen Atoms | 46 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
PHASER | phasing |