2B33
CRYSTAL STRUCTURE OF A PUTATIVE ENDORIBONUCLEASE (TM0215) FROM THERMOTOGA MARITIMA MSB8 AT 2.30 A RESOLUTION
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION,SITTING DROP,NANODROP | 7.3 | 293 | 0.2 M Ca Acetate, 20.0% PEG 3350, No Buffer, pH 7.3, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.98 | 37.52 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 53.28 | α = 90 |
b = 53.28 | β = 90 |
c = 228.41 | γ = 120 |
Symmetry | |
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Space Group | H 3 |
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 300 mm CCD | PAIR OF BIMORPH KIRKPATRICK-BAEZ MIRRORS | 2005-08-03 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 23-ID-D | APS | 23-ID-D |
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 | 2.12 | 26.64 | 80.9 | 0.218 | 5.27 | 2.2 | 13161 |
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 | 2.12 | 2.2 | 67.3 | 0.901 | 1.76 | 1.15 |
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 | 1qahA | 2.3 | 26.64 | 9833 | 504 | 96.07 | 0.202 | 0.199 | 0.261 | RANDOM | 34.829 |
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] | |
-2.66 | -1.33 | -2.66 | 3.99 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 27.118 |
r_dihedral_angle_4_deg | 11.841 |
r_dihedral_angle_3_deg | 10.414 |
r_scangle_it | 4.013 |
r_dihedral_angle_1_deg | 2.922 |
r_scbond_it | 2.747 |
r_angle_refined_deg | 1.412 |
r_mcangle_it | 1.295 |
r_angle_other_deg | 0.994 |
r_mcbond_it | 0.858 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1937 |
Nucleic Acid Atoms | |
Solvent Atoms | 80 |
Heterogen Atoms | 13 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XSCALE | data scaling |
PDB_EXTRACT | data extraction |
XDS | data reduction |
MOLREP | phasing |