3BUB
Golgi alpha-mannosidase II with an empty active site
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1HTY | PDB entry 1HTY |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | Tris, NaCl, PEG6000, MPD; Tris found in the active site under normal crystallization conditions was removed by soaking crystals in phosphate buffered resevoir solution, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.18 | 43.65 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 68.765 | ¦Á = 90 |
b = 109.624 | ¦Â = 90 |
c = 138.649 | ¦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 | 2007-04-20 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CHESS BEAMLINE A1 | 0.9770 | CHESS | A1 |
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 | 1.38 | 20 | 98.5 | 0.06 | 20.7 | 6.4 | 214738 | 211715 | 18 |
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 | 1.38 | 1.4 | 82 | 0.33 | 3.5 | 2.3 | 3723 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 1HTY | 1.38 | 19.81 | 214738 | 210432 | 3138 | 97.99 | 0.18 | 0.18 | 0.204 | RANDOM | 14.616 |
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] | |
0.01 | -0.01 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.699 |
r_dihedral_angle_4_deg | 18.041 |
r_dihedral_angle_3_deg | 12.552 |
r_dihedral_angle_1_deg | 6.08 |
r_scangle_it | 3.72 |
r_scbond_it | 2.411 |
r_mcangle_it | 1.68 |
r_angle_refined_deg | 1.544 |
r_mcbond_it | 1.044 |
r_nbtor_refined | 0.316 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8196 |
Nucleic Acid Atoms | |
Solvent Atoms | 1470 |
Heterogen Atoms | 39 |
Software
Software | |
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Software Name | Purpose |
SAINT | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
ADSC | data collection |
DENZO | data reduction |
SCALEPACK | data scaling |
SADABS | data scaling |
CNS | phasing |