2AH6
Crystal structure of a putative cobalamin adenosyltransferase (bh1595) from bacillus halodurans c-125 at 1.60 A resolution
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1RTY |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 6.9 | 277 | 0.2M K2NO3, 20.0% PEG-3350, No Buffer pH 6.9 , VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.1 | 40.89 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 53.61 | α = 90 |
b = 84.38 | β = 90 |
c = 113.48 | γ = 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 | MARMOSAIC 325 mm CCD | 2005-07-03 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | SSRL | BL9-2 |
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 | 1.6 | 50 | 99.8 | 0.063 | 3.7 | 68629 |
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 | 1.6 | 1.63 | 99.9 | 0.591 | 3.6 |
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-Factor (All) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MR | THROUGHOUT | 1RTY | 1.6 | 29.02 | 65054 | 3503 | 99.8 | 0.152 | 0.15 | 0.179 | RANDOM | 30.31 |
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] | |
0.28 | -0.68 | 0.4 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 30.916 |
r_dihedral_angle_4_deg | 17.208 |
r_dihedral_angle_3_deg | 11.839 |
r_scangle_it | 6.381 |
r_dihedral_angle_1_deg | 4.782 |
r_scbond_it | 4.497 |
r_mcangle_it | 2.823 |
r_mcbond_it | 1.939 |
r_angle_refined_deg | 1.498 |
r_angle_other_deg | 0.874 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3735 |
Nucleic Acid Atoms | |
Solvent Atoms | 549 |
Heterogen Atoms | 24 |
Software
Software | |
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Software Name | Purpose |
SCALEPACK | data scaling |
PDB_EXTRACT | data extraction |
HKL-2000 | data reduction |
PHASER | phasing |
REFMAC | refinement |