1QAM
THE STRUCTURE OF THE RRNA METHYLTRANSFERASE ERMC': IMPLICATIONS FOR THE REACTION MECHANISM
Experimental procedure
実験手法 | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU200 |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 1997-10-01 |
Detector | MARRESEARCH |
Spacegroup name | P 43 21 2 |
格子定数 [Å] | 81.380, 81.380, 122.220 |
格子定数 [度] | 90.00, 90.00, 90.00 |
精密化法
残基 | 50.000 - 2.200 |
R因子 | 0.221 * |
Rwork | 0.221 |
R-free | 0.25100 |
結合長の平均二乗偏差(RMSD) [Å] | 0.007 |
結合角の平均二乗偏差(RMSD) [度] | 1.320 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | CNS |
Quality characteristics
Overall | Outer shell | |
分解能 [Å] (低) | 50.000 | 2.280 |
分解能 [Å] (高) | 2.200 | 2.200 |
Rmerge_l_obs | 0.054 | 0.308 |
Total number of observations | 72558 * | |
独立反射数 | 20680 | |
<I/σ(I)> | 17 | |
完全性 [%] | 96.0 | 94.4 |
冗長性 | 3.5 | 3.5 |
結晶化条件
結晶ID | 方法 | pH | 温度 | 溶液条件 |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 * | 298 | PEG 8000, AMMONIUM ACETATE, PH 7.8 AT 298 K, VAPOR DIFFUSION, HANGING DROP |
文献の結晶化試薬
ID | 結晶ID | 溶液 | 試薬名 | 濃度 (単位) (単位) | 詳細 |
1 | 1 | drop | protein | 5-8 (mg/ml) | |
2 | 1 | drop | Tris-HCl | 25 (mM) | |
3 | 1 | drop | 100 (mM) | ||
4 | 1 | drop | dithiothreitol | 2 (mM) | |
5 | 1 | drop | glycerol | 10 (%(v/v)) | |
6 | 1 | reservoir | Tes | 100 (mM) | |
7 | 1 | reservoir | ammonium acetate | 500 (mM) | |
8 | 1 | reservoir | PEG8000 | 15 (%(w/v)) |