ジャーナル: Biochemistry / 年: 1996 タイトル: Aspartate aminotransferase complexed with erythro-beta-hydroxyaspartate: crystallographic and spectroscopic identification of the carbinolamine intermediate. 著者: von Stosch, A.G.
THE ERYTHRO-BETA-HYDROXYASPARTATE MOLECULE THAT IS BOUND TO THE ACTIVE SITES A AND B HAS BEEN ...THE ERYTHRO-BETA-HYDROXYASPARTATE MOLECULE THAT IS BOUND TO THE ACTIVE SITES A AND B HAS BEEN INCLUDED IN THE MODEL.
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実験情報
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実験
実験
手法: X線回折
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試料調製
結晶
マシュー密度: 2.27 Å3/Da / 溶媒含有率: 45.9 %
結晶化
*PLUS
温度: 4 ℃ / pH: 7.5 / 手法: 蒸気拡散法, ハンギングドロップ法
溶液の組成
*PLUS
ID
濃度
一般名
Crystal-ID
Sol-ID
1
5mg/ml
protein
1
drop
2
50mM
maleate
1
drop
3
10mM
sodiumphosphate
1
drop
4
8.5-9.5 %(w/v)
PEG4000
1
drop
5
0.04M
sodiumchloride
1
drop
6
17-19 %(w/v)
PEG4000
1
reservoir
7
0.75M
sodiumchloride
1
reservoir
8
20mM
sodiumphosphate
1
reservoir
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データ収集
検出器
タイプ: ENRAF-NONIUS FAST / 検出器: DIFFRACTOMETER / 日付: 1991年6月30日
放射
単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray
放射波長
相対比: 1
反射
Rmerge(I) obs: 0.081
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解析
ソフトウェア
名称
分類
TNT
精密化
PROLSQ
精密化
精密化
解像度: 2.4→10 Å / σ(F): 1 詳細: PROLSQ (KONNERT,HENDRICKSON) ALSO WAS USED. ATOMS OF SIDE CHAINS THAT ARE NOT WELL DEFINED BY THE ELECTRON DENSITY HAVE BEEN ASSIGNED AN OCCUPANCY OF 0.0. ATOMS OF SIDE CHAINS THAT ARE NOT ...詳細: PROLSQ (KONNERT,HENDRICKSON) ALSO WAS USED. ATOMS OF SIDE CHAINS THAT ARE NOT WELL DEFINED BY THE ELECTRON DENSITY HAVE BEEN ASSIGNED AN OCCUPANCY OF 0.0. ATOMS OF SIDE CHAINS THAT ARE NOT WELL DEFINED BY THE ELECTRON DENSITY HAVE BEEN ASSIGNED AN OCCUPANCY OF 0.0. AS SHOWN BY MCPHALIN ET AL. J. MOL. BIOL. 225, 495-517, 1992, RESIDUES SER 104, SER 123, TYR 255, AND SER 288 LIE WITHIN DISTORTED REGIONS.