2JLC
Crystal structure of E.coli MenD, 2-succinyl-5-enolpyruvyl-6-hydroxy- 3-cyclohexadiene-1-carboxylate synthase - native protein
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 2JLA | PDB ENTRY 2JLA |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 8 | 100 MM SODIUM CITRATE PH 5.6, 8 % ISO-PROPANOL AND 14 % PEG 6K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.3 | 46.5 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 93.425 | α = 90 |
b = 93.425 | β = 90 |
c = 465.172 | γ = 120 |
Symmetry | |
---|---|
Space Group | P 65 2 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 | CCD | ADSC CCD | 2006-11-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-1 | ESRF | ID23-1 |
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 | 2.5 | 92.8 | 99.3 | 0.08 | 18.2 | 6.7 | 42932 | 44.2 |
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 | 2.5 | 2.56 | 95.4 | 0.28 | 4.5 | 5.7 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 2JLA | 2.5 | 92.85 | 42928 | 2139 | 99.3 | 0.211 | 0.213 | 0.293 | RANDOM | 29.98 |
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] | |
2.019 | 1.01 | 2.019 | -3.029 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.408 |
r_dihedral_angle_4_deg | 19.179 |
r_dihedral_angle_3_deg | 16.705 |
r_dihedral_angle_1_deg | 7.754 |
r_scangle_it | 2.307 |
r_angle_refined_deg | 1.564 |
r_scbond_it | 1.494 |
r_mcangle_it | 1.031 |
r_mcbond_it | 0.593 |
r_nbtor_refined | 0.31 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 8649 |
Nucleic Acid Atoms | |
Solvent Atoms | 246 |
Heterogen Atoms | 54 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
SCALA | data scaling |
MOLREP | phasing |