- PDB-3ezs: Crystal structure of aminotransferase AspB (NP_207418.1) from HEL... -
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基本情報
登録情報
データベース: PDB / ID: 3ezs
タイトル
Crystal structure of aminotransferase AspB (NP_207418.1) from HELICOBACTER PYLORI 26695 at 2.19 A resolution
要素
aminotransferase AspB
キーワード
TRANSFERASE / NP_207418.1 / aminotransferase AspB / Structural Genomics / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI-2 / Aminotransferase class I and II
SEQUENCE THE CONSTRUCT WAS EXPRESSED WITH A PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS ...SEQUENCE 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.
解像度: 2.19→44.281 Å / Num. obs: 40833 / % possible obs: 98.3 % / Observed criterion σ(I): -3 / 冗長度: 5.3 % / Biso Wilson estimate: 29.514 Å2 / Rmerge(I) obs: 0.112 / Net I/σ(I): 12.8
反射 シェル
解像度 (Å)
Rmerge(I) obs
Mean I/σ(I) obs
Num. measured obs
Num. unique obs
Diffraction-ID
% possible all
2.19-2.27
0.612
2.29
12871
3568
1
85.8
2.27-2.36
0.55
3.2
22277
4039
1
100
2.36-2.47
0.447
4
23107
4193
1
100
2.47-2.6
0.362
4.9
22471
4070
1
100
2.6-2.76
0.263
6.5
22276
4042
1
100
2.76-2.97
0.193
8.7
22492
4083
1
100
2.97-3.27
0.126
12.8
22750
4148
1
100
3.27-3.74
0.076
20.2
22609
4152
1
100
3.74-4.7
0.045
29.8
22659
4193
1
99.7
4.7-44.281
0.041
32.4
23010
4373
1
98.1
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位相決定
位相決定
手法: 多波長異常分散
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解析
ソフトウェア
名称
バージョン
分類
NB
REFMAC
5.2.0019
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: 多波長異常分散 / 解像度: 2.19→44.281 Å / Cor.coef. Fo:Fc: 0.963 / Cor.coef. Fo:Fc free: 0.93 / Occupancy max: 1 / Occupancy min: 0.37 / SU B: 10.513 / SU ML: 0.139 / TLS residual ADP flag: LIKELY RESIDUAL / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.256 / ESU R Free: 0.198 立体化学のターゲット値: MAXIMUM LIKELIHOOD WITH PHASES 詳細: 1. HYDROGENS HAVE BEEN ADDED IN RIDING POSITIONS. 2. ATOM RECORD CONTAINS RESIDUAL B FACTORS ONLY. 3. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN ...詳細: 1. HYDROGENS HAVE BEEN ADDED IN RIDING POSITIONS. 2. ATOM RECORD CONTAINS RESIDUAL B FACTORS ONLY. 3. 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 TO ACCOUNT FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET INCORPORATION. 4. ETHYLENE GLYCOL (EDO) USED AS A CRYOPROTECTANT WAS MODELED INTO THE STRUCTURE. 5. BASED ON HOMOLOGUS STRUCTURES THAT BIND PYRIDOXAL-5'PHOSPHATE (PLP), SUCH AS 1O4S, A PHOSPHATE MOLECULE HAS BEEN MODELED IN EACH CHAIN AT THE SITE OF THE CORRESPONDING PHOSPHATE MOIETY OF PLP. THERE IS NO ELECTRON DENSITY SUPPORT FOR THE REST OF THE PLP MOLECULE
Rfactor
反射数
%反射
Selection details
Rfree
0.215
2056
5 %
RANDOM
Rwork
0.159
-
-
-
obs
0.161
40803
98.46 %
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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: BABINET MODEL WITH MASK