3L4Z
Crystal complex of N-terminal Human Maltase-Glucoamylase with Salacinol
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 293 | 20% PEG 3350, 0.2M sodium sulfate, pH 6.5, vapor diffusion, hanging drop, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.81 | 56.25 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 92.422 | ¦Á = 90 |
b = 108.784 | ¦Â = 90 |
c = 111.051 | ¦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 QUANTUM 4 | 2007-04-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CHESS BEAMLINE F1 | 0.9175 | CHESS | F1 |
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 | 30 | 99.1 | 0.103 | 12.6 | 7.7 | 75286 |
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) | |||||||||||
2 | 2.07 | 99.5 | 0.498 | 6.6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 2 | 19.83 | 70880 | 3757 | 98.18 | 0.20448 | 0.2019 | 0.25295 | RANDOM | 35.45 |
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 | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.668 |
r_dihedral_angle_4_deg | 17.174 |
r_dihedral_angle_3_deg | 13.822 |
r_dihedral_angle_1_deg | 6.823 |
r_scangle_it | 3.912 |
r_scbond_it | 2.598 |
r_mcangle_it | 1.649 |
r_angle_refined_deg | 1.616 |
r_mcbond_it | 1.026 |
r_nbtor_refined | 0.316 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6934 |
Nucleic Acid Atoms | |
Solvent Atoms | 429 |
Heterogen Atoms | 114 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |