- PDB-4lgq: Crystal structure of a putative polyketide cyclase (CV_0247) from... -
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基本情報
登録情報
データベース: PDB / ID: 4lgq
タイトル
Crystal structure of a putative polyketide cyclase (CV_0247) from Chromobacterium violaceum ATCC 12472 at 2.72 A resolution
要素
Putative polyketide cyclase
キーワード
LYASE / SnoaL-like / PF07366 family protein / Structural Genomics / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI-BIOLOGY
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 / プロトコル: MAD / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray
放射波長
ID
波長 (Å)
相対比
1
0.91837
1
2
0.97872
1
3
0.97818
1
反射
解像度: 2.72→49.038 Å / Num. obs: 18389 / % possible obs: 96.7 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 77.777 Å2 / Rmerge(I) obs: 0.075 / Net I/σ(I): 12.28
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
2.72-2.82
0.739
1.6
6455
1886
1
98.4
2.82-2.93
0.53
2.2
6073
1769
1
98.2
2.93-3.06
0.354
3.3
6033
1774
1
97.8
3.06-3.22
0.252
4.6
5900
1806
1
97.1
3.22-3.42
0.146
7.3
5784
1793
1
96.4
3.42-3.69
0.091
11.8
6669
1908
1
98.4
3.69-4.06
0.062
16.2
6332
1844
1
98.1
4.06-4.64
0.042
22
5944
1811
1
95.7
4.64-5.82
0.04
23.5
5969
1821
1
95.3
5.82-49.038
0.033
29
6248
1927
1
92.1
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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
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
July4, 2012
データスケーリング
BUSTER-TNT
2.10.0
精密化
XDS
データ削減
SHELXD
位相決定
BUSTER
2.10.0
精密化
精密化
構造決定の手法: 多波長異常分散 / 解像度: 2.72→49.038 Å / Cor.coef. Fo:Fc: 0.949 / Cor.coef. Fo:Fc free: 0.9193 / Occupancy max: 1 / Occupancy min: 0.5 / 交差検証法: THROUGHOUT / σ(F): 0 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. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 3.NCS RESTRAINTS WERE IMPOSED BY AUTOBUSTER'S LSSR PROCEDURE (-AUTONCS). 4.EDO, PEG FRAGMENTS (PGE AND PEG) AND CL IONS MODELED WERE PRESENT IN PROTEIN/CYRO CONDITIONS. 5. THE MAD PHASES WERE USED AS RESTRAINTS DURING REFINEMENT.