1SCW
TOWARD BETTER ANTIBIOTICS: CRYSTAL STRUCTURE OF R61 DD-PEPTIDASE INHIBITED BY A NOVEL MONOCYCLIC PHOSPHATE INHIBITOR
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 3PTE | PDB ENTRY 3PTE |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.8 | 298 | 20% PEG 8000, 50mM sodium phosphate, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
1.97 | 37.6 |
Crystal Data
Unit Cell | |
---|---|
Length ( ? ) | Angle ( ? ) |
a = 50.9 | ¦Á = 90 |
b = 66.7 | ¦Â = 90 |
c = 100.8 | ¦Ã = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 21 |
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 315 | Mirrors | 2003-03-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X12C | 1.0000 | NSLS | X12C |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.13 | 50 | 94.1 | 0.062 | 29.9 | 12.6 | 128693 | 120188 | 2 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.13 | 1.17 | 70.8 | 0.091 | 15.6 | 6.5 | 8991 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | FREE R | PDB ENTRY 3PTE | 1.13 | 10 | 120188 | 120188 | 2737 | 94.1 | 0.1047 | 0.104 | 0.1023 | 0.1435 | RANDOM | 8.9 |
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] | |
Coordinate Error | ||
---|---|---|
Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
29 | 326 | 3126.71 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
s_approx_iso_adps | 0.1 |
s_non_zero_chiral_vol | 0.096 |
s_zero_chiral_vol | 0.088 |
s_anti_bump_dis_restr | 0.036 |
s_angle_d | 0.033 |
s_similar_adp_cmpnt | 0.033 |
s_from_restr_planes | 0.032 |
s_bond_d | 0.024 |
s_rigid_bond_adp_cmpnt | 0.006 |
s_similar_dist |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 2601 |
Nucleic Acid Atoms | |
Solvent Atoms | 510 |
Heterogen Atoms | 51 |
Software
Software | |
---|---|
Software Name | Purpose |
SHELX | model building |
SHELXL-97 | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
SHELX | phasing |