6ABV
Crystal structure of citrate synthase (Msed_0281) from Metallosphaera sedula
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1GVM |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 295 | 35% v/v (+/-)-2-Methyl-2,4- pentandiol (MPD), 0.1 M Bis-Tris, pH 5.0, and 0.2 M ammonium acetate |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.16 | 42.94 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 61.711 | α = 90 |
b = 93.622 | β = 90 |
c = 130.228 | γ = 90 |
Symmetry | |
---|---|
Space Group | C 2 2 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 270 | 2017-05-09 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PAL/PLS BEAMLINE 7A (6B, 6C1) | 0.97934 | PAL/PLS | 7A (6B, 6C1) |
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 | 1.8 | 65.12 | 98 | 0.077 | 45.7 | 7.1 | 34475 |
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 | 1.8 | 1.83 | 0.308 |
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 | 1GVM | 1.8 | 65.11 | 32700 | 1743 | 97.91 | 0.1848 | 0.1827 | 0.2234 | RANDOM | 27.804 |
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] | |
-1.09 | 2.69 | -1.6 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.526 |
r_dihedral_angle_4_deg | 18.969 |
r_dihedral_angle_3_deg | 15.398 |
r_dihedral_angle_1_deg | 6.104 |
r_angle_refined_deg | 1.971 |
r_angle_other_deg | 1.095 |
r_chiral_restr | 0.123 |
r_bond_refined_d | 0.021 |
r_gen_planes_refined | 0.01 |
r_bond_other_d | 0.002 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 2903 |
Nucleic Acid Atoms | |
Solvent Atoms | 186 |
Heterogen Atoms | 12 |
Software
Software | |
---|---|
Software Name | Purpose |
HKL-2000 | data reduction |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data scaling |
REFMAC | phasing |