7DWH
Complex structure of SAM-dependent methyltransferase ribozyme
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NFPSS BEAMLINE BL19U1 |
Synchrotron site | NFPSS |
Beamline | BL19U1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2020-12-25 |
Detector | MARMOSAIC 325 mm CCD |
Wavelength(s) | 0.97928 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 62.923, 77.305, 101.469 |
Unit cell angles | 90.00, 93.24, 90.00 |
Refinement procedure
Resolution | 29.534 - 3.100 |
R-factor | 0.2114 |
Rwork | 0.209 |
R-free | 0.25840 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 7dlz |
RMSD bond length | 0.003 |
RMSD bond angle | 0.667 |
Data reduction software | HKL-3000 |
Data scaling software | HKL-2000 |
Phasing software | PHASER |
Refinement software | PHENIX (1.12_2829) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 30.000 | 30.000 | 3.210 |
High resolution limit [Å] | 3.100 | 6.660 | 3.100 |
Rmerge | 0.097 | 0.075 | 0.236 |
Rmeas | 0.108 | 0.081 | 0.278 |
Rpim | 0.045 | 0.032 | 0.143 |
Total number of observations | 81837 | ||
Number of reflections | 17380 | 1833 | 1595 |
<I/σ(I)> | 8.3 | ||
Completeness [%] | 97.7 | 99.7 | 90.9 |
Redundancy | 4.7 | 6.3 | 2.9 |
CC(1/2) | 0.996 | 0.937 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 4.7 | 291 | sodium phosphate monobasic monohydrate, polyethylene glycol 3350 |