- PDB-3rwx: Crystal structure of a putative outer membrane protein (BF2706) f... -
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IDまたはキーワード:
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基本情報
登録情報
データベース: PDB / ID: 3rwx
タイトル
Crystal structure of a putative outer membrane protein (BF2706) from Bacteroides fragilis NCTC 9343 at 2.40 A resolution
要素
Hypothetical bacterial outer membrane protein
キーワード
TRANSPORT PROTEIN / Transmembrane beta-barrel / Structural Genomics / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI-BIOLOGY
1. THE CONSTRUCT WAS EXPRESSED WITH AN N-TERMINAL PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS ...1. THE CONSTRUCT WAS EXPRESSED WITH AN N-TERMINAL PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH TEV PROTEASE LEAVING GLY 0 FOLLOWED BY RESIDUES 24-283 OF THE TARGET SEQUENCE. 2. THE PROTEIN WAS REDUCTIVELY METHYLATED PRIOR TO CRYSTALLIZATION.
解像度: 2.4→29.816 Å / Num. obs: 21589 / % possible obs: 98.4 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 48.034 Å2 / Rmerge(I) obs: 0.09 / Net I/σ(I): 10.91
反射 シェル
Diffraction-ID: 1
解像度 (Å)
最高解像度 (Å)
Rmerge(I) obs
Mean I/σ(I) obs
Num. measured obs
Num. unique obs
% possible all
2.4-2.49
0.672
1.8
12473
4268
96.7
2.49-2.58
0.566
2.1
10714
3663
98.1
2.58-2.7
0.423
2.8
12459
4219
97.9
2.7-2.84
0.313
3.7
11814
4049
98.4
2.84-3.02
0.212
5.4
12235
4207
99
3.02-3.25
0.137
8.2
12033
4129
99.3
3.25-3.58
0.078
13.7
12203
4185
99.1
3.58-4.09
0.054
18.5
12047
4122
98.7
4.09-5.14
0.037
25.9
12045
4146
99.1
5.14
0.035
26.1
12183
4166
97.9
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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
MolProbity
3beta29
モデル構築
PDB_EXTRACT
3.1
データ抽出
SHELX
位相決定
SHARP
位相決定
XSCALE
December6, 2010
データスケーリング
REFMAC
5.5.0110
精密化
XDS
データ削減
SHELXD
位相決定
精密化
構造決定の手法: 多波長異常分散 / 解像度: 2.4→29.816 Å / Cor.coef. Fo:Fc: 0.941 / Cor.coef. Fo:Fc free: 0.917 / Occupancy max: 1 / Occupancy min: 0.37 / SU B: 10.206 / SU ML: 0.122 / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R Free: 0.192 立体化学のターゲット値: MAXIMUM LIKELIHOOD WITH PHASES 詳細: 1. 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 ...詳細: 1. 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. 2. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 3. THE REFINEMENT WAS RESTRAINED AGAINST THE MAD PHASES. 4. GLYCEROL (GOL) USED AS A CRYOPROTECTANT AND SULFATE (SO4) FROM THE CRYSTALLIZATION WERE MODELED INTO THE STRUCTURE. 5.THE PROTEIN WAS SUBJECTED TO REDUCTIVE METHYLATION PRIOR TO CRYSTALLIZATION AND LYSINES HAVE BEEN MODELED AS N-DIMETHYL-LYSINE (MLY).
Rfactor
反射数
%反射
Selection details
Rfree
0.2418
1107
5.1 %
RANDOM
Rwork
0.1984
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-
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obs
0.2006
21577
99.78 %
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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: 1.4 Å / 溶媒モデル: MASK