Crystal structure of a mandelate racemase/muconate lactonizing enzyme from Shewanella pealeana
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 3MKC | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 298 | 0.1M MgCl2, 0.1M Tris, pH 8.5, 30% PEG 4K, Dioxane, VAPOR DIFFUSION, SITTING DROP, temperature 298K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.28 | 45.94 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 111.164 | α = 98.47 | 
| b = 146.142 | β = 96.8 | 
| c = 158.71 | γ = 105.04 | 
| Symmetry | |
|---|---|
| Space Group | P 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 315 | mirrors | 2010-01-01 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | NSLS BEAMLINE X29A | 0.9791 | NSLS | X29A | 
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 | 50 | 89 | 0.12 | 6.7 | 5.1 | 484982 | 484982 | |||||||||||
| 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) | |||||||||||
| 2.1 | 2.18 | 46 | 0.62 | 2 | 3.6 | 25144 | |||||||||||||
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 (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3MKC | 2.1 | 49.33 | 484982 | 478270 | 4843 | 100 | 0.18554 | 0.18526 | 0.19 | 0.21318 | 0.22 | RANDOM | 19.086 | |||
| 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] | |
| -0.26 | -0.86 | -0.15 | 0.28 | 0.42 | -0.37 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 32.655 | 
| r_dihedral_angle_3_deg | 16.691 | 
| r_dihedral_angle_4_deg | 14.323 | 
| r_dihedral_angle_1_deg | 6.415 | 
| r_scangle_it | 6.008 | 
| r_scbond_it | 4.055 | 
| r_mcangle_it | 2.252 | 
| r_angle_refined_deg | 1.304 | 
| r_mcbond_it | 1.285 | 
| r_chiral_restr | 0.1 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 71547 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 1383 | 
| Heterogen Atoms | 12 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| CBASS | data collection | 
| CCP4 | model building | 
| MOLREP | phasing | 
| Coot | model building | 
| REFMAC | refinement | 
| HKL-2000 | data reduction | 
| HKL-2000 | data scaling | 
| CCP4 | phasing | 














