8C34
Aerobic light exposed 1.8 Angstrom crystal structure of cobalamin binding domain belonging to a light-dependent transcription regulator TtCarH
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | DIAMOND BEAMLINE I03 |
Synchrotron site | Diamond |
Beamline | I03 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2022-10-14 |
Detector | DECTRIS EIGER2 X 16M |
Wavelength(s) | 0.976 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 60.870, 72.690, 201.560 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 52.100 - 1.820 |
Rwork | 0.166 |
R-free | 0.19800 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 8c31 |
Data reduction software | xia2.multiplex |
Data scaling software | xia2.multiplex |
Phasing software | PHASER |
Refinement software | REFMAC (REFMAC 5.8.0352) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 52.100 | 1.850 |
High resolution limit [Å] | 1.820 | 1.820 |
Number of reflections | 81098 | 3892 |
<I/σ(I)> | 19 | 1.1 |
Completeness [%] | 100.0 | 97.4 |
Redundancy | 25.7 | |
CC(1/2) | 1.000 | 0.500 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | Condition B3 from Morpheus screen (Molecular Dimensions) (0.09 M halogens, 0.1 M buffer system 1 pH 6.5, 30% v/v precipitant mix 3) Cryo-protected crystals exposed to bright 530 nm LED (Thorlabs) for 1-5 secs under aerobic conditions |