Crystal structure of Putative aromatic amino acid beta-eliminating lyase/threonine aldolase. (YP_001813866.1) from Exiguobacterium sp. 255-15 at 2.00 A resolution
THE CONSTRUCT WAS EXPRESSED WITH A PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH ...THE CONSTRUCT WAS EXPRESSED WITH A PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH TEV PROTEASE LEAVING ONLY A GLYCINE (0) FOLLOWED BY THE TARGET SEQUENCE.
モノクロメーター: SINGLE CRYSTAL SI(111) BENT MONOCHROMATOR (HORIZONTAL FOCUSING) プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray
放射波長
波長: 0.97874 Å / 相対比: 1
Reflection twin
Crystal-ID
ID
Operator
Domain-ID
Fraction
1
1
H, K, L
1
0.537
1
1
K, H, -L
2
0.463
反射
解像度: 2→46.53 Å / Num. obs: 156755 / % possible obs: 99.9 % / Observed criterion σ(I): -3 / 冗長度: 7.7 % / Biso Wilson estimate: 24.16 Å2 / Rmerge(I) obs: 0.158 / Net I/σ(I): 9.92
反射 シェル
解像度: 2→2.05 Å / Rmerge(I) obs: 0.95 / Mean I/σ(I) obs: 2.3 / % possible all: 99.9
-
位相決定
位相決定
手法: 単波長異常分散
-
解析
ソフトウェア
名称
バージョン
分類
NB
REFMAC
5.5.0102
精密化
PHENIX
精密化
SHELX
位相決定
MolProbity
3beta29
モデル構築
XSCALE
データスケーリング
PDB_EXTRACT
3.006
データ抽出
XDS
データ削減
SHELXD
位相決定
autoSHARP
位相決定
精密化
構造決定の手法: 単波長異常分散 / 解像度: 2→46.53 Å / Cor.coef. Fo:Fc: 0.965 / Cor.coef. Fo:Fc free: 0.942 / Occupancy max: 1 / Occupancy min: 0.23 / SU B: 3.669 / SU ML: 0.093 / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.03 / ESU R Free: 0.029 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD 詳細: 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 2. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE ...詳細: 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 2. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO 0.75 FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET INCORPORATION. 3. THE STRUCTURE WAS PHASED AND TRACED IN APPARENT SPACE GROUP P3121 AND REFINED IN P31 DUE TO TWINNING. TWINNING FACTOR WAS REFINED TO 0.46 FOR TWINNING OPERATOR (K, H, -L). FREE REFLECTIONS WERE EXPANDED BY THE TWIN LAW. 4. PYRIDOXAL-5'-PHOSPHATE (PLP) IS COVALENTLY ATTACHED TO LYSINE 205 VIA A SCHIFF-BASE LINKAGE AND IS MODELED AS LLP.
Rfactor
反射数
%反射
Selection details
Rfree
0.19
7779
5 %
RANDOM + TWIN LAW
Rwork
0.144
-
-
-
obs
0.146
156744
99.8 %
-
溶媒の処理
イオンプローブ半径: 0.8 Å / 減衰半径: 0.8 Å / VDWプローブ半径: 1.2 Å / 溶媒モデル: MASK