- PDB-4e5v: Crystal structure of a Putative thua-like protein (PARMER_02418) ... -
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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: 4e5v
タイトル
Crystal structure of a Putative thua-like protein (PARMER_02418) from Parabacteroides merdae ATCC 43184 at 1.75 A resolution
要素
Putative thua-like protein
キーワード
STRUCTURAL GENOMICS / UNKNOWN FUNCTION / Thua-like proteins / trehalose utilisation / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI-BIOLOGY
機能・相同性
ThuA-like domain / Trehalose utilisation / Class I glutamine amidotransferase (GATase) domain / Class I glutamine amidotransferase-like / Rossmann fold / 3-Layer(aba) Sandwich / metal ion binding / Alpha Beta / ThuA domain-containing protein
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 RESIDUES 25-304 OF THE TARGET SEQUENCE.
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実験情報
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実験
実験
手法: X線回折 / 使用した結晶の数: 1
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試料調製
結晶
マシュー密度: 2.19 Å3/Da / 溶媒含有率: 43.96 % 解説: DATA WERE SCALED USING XSCALE WITH FRIEDEL PAIRS KEPT AS SEPARATE WHEN COMPUTING R-SYM, COMPLETENESS AND
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
0.97941
1
3
0.97882
1
反射
解像度: 1.75→29.832 Å / Num. obs: 51578 / % possible obs: 81.3 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 15.741 Å2 / Rmerge(I) obs: 0.066 / Net I/σ(I): 7.24
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
1.75-1.81
0.366
2
10084
8490
80.3
1.81-1.89
0.266
2.7
11248
9483
79
1.89-1.97
0.201
3.5
9177
7792
76.2
1.97-2.07
0.153
4.2
10455
8876
83.6
2.07-2.2
0.112
5.5
10858
9218
83.3
2.2-2.37
0.086
6.7
10690
9091
81.9
2.37-2.61
0.073
7.8
10276
8779
79.5
2.61-2.99
0.054
9.9
11107
9487
85.5
2.99-3.76
0.041
13
10072
8672
79.4
3.76
0.031
16.2
10932
9354
84.4
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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
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: 1.75→29.832 Å / Cor.coef. Fo:Fc: 0.9568 / Cor.coef. Fo:Fc free: 0.9436 / Occupancy max: 1 / Occupancy min: 0.4 / 交差検証法: THROUGHOUT / σ(F): 0 詳細: 1. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 2. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION ...詳細: 1. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 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 TO ACCOUNT FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET INCORPORATION. 3. 1,2 ETHANEDIOL (EDO) FROM THE CRYOPROTECTANT AND FROM THE CRYSTALLIZATION CONDITION HAVE BEEN MODELED IN THE SOLVENT STRUCTURE. 4. ZINC IONS ARE MODELED IN THE STRUCTURE. THE ASSIGNMENT OF ZINC IS SUPPORTED BY COORDINATION GEOMETRY, ANOMALOUS DIFFERENCE FOURIER MAPS AND X-RAY FLUORESCENCE SCANS (WHICH SHOWED A PEAK FOR ZINC). ZINC WAS NOT ADDED DURING CRYSTALLIZATION OR PURIFICATION AND CO-PURIFIED WITH THE PROTEIN. 5. NCS RESTRAINTS WERE APPLIED USING BUSTER'S LSSR RESTRAINT REPRESENTATION (-AUTONCS). 6. THE MAD PHASES WERE USED AS RESTRAINTS DURING REFINEMENT.