Pyridine Nucleotide Complexes with Bacillus anthracis Coenzyme A-Disulfide Reductase: A Structural Analysis of Dual NAD(P)H Specificity
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 288 | 16-26% 2-methyl-2,4-pentanediol, 0.2 M magnesium acetate, 0.1 M sodium cacodylate, pH 6.5, and 2 mM NAD(P)+, VAPOR DIFFUSION, SITTING DROP, temperature 288K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.02 | 59.24 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 170.258 | α = 90 |
| b = 80.763 | β = 103.98 |
| c = 98.37 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 2 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2004-11-05 | M | MAD | ||||||
| 2 | 1 | |||||||||||||
| 3 | 1 | |||||||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSLS BEAMLINE X26C | 0.9791 | NSLS | X26C |
| 2 | SYNCHROTRON | NSLS BEAMLINE X26C | 0.9796 | NSLS | X26C |
| 3 | SYNCHROTRON | NSLS BEAMLINE X26C | 0.9500 | NSLS | X26C |
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 | 1.9 | 38.22 | 97.5 | 0.08 | 8.6 | 3.85 | 200403 | 195454 | |||||||||||
| 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 | 1.9 | 1.97 | 96.4 | 0.413 | 2.9 | 3.87 | 20110 | ||||||||||||
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 (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MAD | THROUGHOUT | 1.9 | 38.22 | 96824 | 94336 | 5014 | 97.43 | 0.20064 | 0.19909 | 0.2 | 0.22976 | 0.23 | RANDOM | 33.447 | ||||
| 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] | |
| -0.9 | -0.98 | 1.93 | -1.5 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.694 |
| r_dihedral_angle_4_deg | 19.916 |
| r_dihedral_angle_3_deg | 15.977 |
| r_dihedral_angle_1_deg | 6.132 |
| r_scangle_it | 3.894 |
| r_scbond_it | 2.388 |
| r_angle_refined_deg | 1.492 |
| r_mcangle_it | 1.46 |
| r_mcbond_it | 0.948 |
| r_nbtor_refined | 0.312 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6958 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 551 |
| Heterogen Atoms | 202 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| CBASS | data collection |
| d*TREK | data reduction |
| d*TREK | data scaling |
| SOLVE | phasing |














