1CXF
COMPLEX OF A (D229N/E257Q) DOUBLE MUTANT CGTASE FROM BACILLUS CIRCULANS STRAIN 251 WITH MALTOTETRAOSE AT 120 K AND PH 9.1 OBTAINED AFTER SOAKING THE CRYSTAL WITH ALPHA-CYCLODEXTRIN
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 9.1 | pH 9.1 |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.9 | 57.64 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 116.84 | α = 90 |
b = 110 | β = 90 |
c = 67.42 | γ = 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 | 120 | DIFFRACTOMETER | ENRAF-NONIUS FAST | 1994-12-22 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 |
Data Collection
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||||
X-RAY DIFFRACTION | 2.1 | 8 | 19116 | 0.19 | 0.2 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
t_dihedral_angle_d | 18.6 |
t_angle_deg | 1.1 |
t_it | 0.96 |
t_nbd | 0.016 |
t_gen_planes | 0.01 |
t_bond_d | 0.009 |
t_incorr_chiral_ct | |
t_pseud_angle | |
t_trig_c_planes |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 5264 |
Nucleic Acid Atoms | |
Solvent Atoms | 310 |
Heterogen Atoms | 202 |
Software
Software | |
---|---|
Software Name | Purpose |
MADNES | data collection |
TNT | refinement |
MADNES | data reduction |