2B5A
C.BclI, Control Element of the BclI Restriction-Modification System
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 298 | 25% (w/v) Polyethylene glyco 400, 25 mM ammonium sulfate, 50 mM citrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.19 | 43.3 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 63.205 | α = 90 |
b = 65.016 | β = 90 |
c = 73.296 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | IMAGE PLATE | MARRESEARCH | 58 cm long, Pt-coated, fused silica, vertical focusmirror, Cyclindrically bent triangular Si(111) asymmetric cut, horizontal focus monochromator | 2002-03-27 | M | SINGLE WAVELENGTH | |||||
2 | 1 | x-ray | CCD | ADSC QUANTUM 4 | 2002-05-24 | M | MAD | |||||||
3 | 1 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | 1.08 | SSRL | BL7-1 |
2 | SYNCHROTRON | SSRL BEAMLINE BL1-5 | 1.0061, 1.0088, 0.9076 | SSRL | BL1-5 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.54 | 99 | 98.3 | 0.051 | 38 | 5.9 | 44934 | 44934 | 28.3 |
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 | 1.54 | 1.56 | 68.4 | 68.4 | 0.457 | 3.2 | 1526 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MAD | THROUGHOUT | 1.543 | 19.741 | 44881 | 44881 | 2259 | 99.453 | 0.167 | 0.167 | 0.1652 | 0.2005 | random | 20.264 |
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] | |
0.008 | -0.001 | -0.006 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 21.239 |
r_dihedral_angle_4_deg | 18.859 |
r_dihedral_angle_3_deg | 12.008 |
r_scangle_it | 6.081 |
r_dihedral_angle_1_deg | 3.986 |
r_scbond_it | 3.876 |
r_mcangle_it | 3.414 |
r_scangle_other | 2.814 |
r_mcbond_it | 2.802 |
r_mcangle_other | 2.022 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 2461 |
Nucleic Acid Atoms | |
Solvent Atoms | 229 |
Heterogen Atoms | 8 |
Software
Software | |
---|---|
Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
MLPHARE | phasing |
DM | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
Blu-Ice | data collection |