- PDB-4n0r: Crystal structure of a putative glycoside hydrolase (BVU_0362) fr... -
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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: 4n0r
タイトル
Crystal structure of a putative glycoside hydrolase (BVU_0362) from Bacteroides vulgatus ATCC 8482 at 1.80 A resolution
要素
putative glycoside hydrolase
キーワード
STRUCTURAL GENOMICS / UNKNOWN FUNCTION / Three domains protein / putative glycoside hydrolase domain (PF13204) / with N-terminal and C-terminal Ig-like domains / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI-BIOLOGY
機能・相同性
機能・相同性情報
Immunoglobulin-like - #3950 / Domain of unknown function DUF5060 / Domain of unknown function DUF5605 / Domain of unknown function (DUF5060) / Domain of unknown function (DUF5605) / Putative glycohydrolase domain DUF4038 / Apiosidase-like, catalytic domain / Glycosidases / Glycoside hydrolase superfamily / TIM Barrel ...Immunoglobulin-like - #3950 / Domain of unknown function DUF5060 / Domain of unknown function DUF5605 / Domain of unknown function (DUF5060) / Domain of unknown function (DUF5605) / Putative glycohydrolase domain DUF4038 / Apiosidase-like, catalytic domain / Glycosidases / Glycoside hydrolase superfamily / TIM Barrel / Alpha-Beta Barrel / Immunoglobulin-like fold / Immunoglobulins / Immunoglobulin-like / Sandwich / Mainly Beta / Alpha Beta 類似検索 - ドメイン・相同性
NICKEL (II) ION / Unknown ligand / DUF5060 domain-containing protein 類似検索 - 構成要素
THIS CONSTRUCT (RESIDUES 23-534) WAS EXPRESSED WITH A PURIFICATION TAG. MGSDKIHHHHHHENLYFQG. THE ...THIS CONSTRUCT (RESIDUES 23-534) WAS EXPRESSED WITH A PURIFICATION TAG. MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH TEV PROTEASE LEAVING ONLY A GLYCINE (0) FOLLOWED BY 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: 2.87 Å3/Da / 溶媒含有率: 57.13 %
結晶化
温度: 293 K / 手法: 蒸気拡散法, シッティングドロップ法 / pH: 8.67 詳細: 0.01M nickel (II) chloride, 22.0% polyethylene glycol monomethyl ether 2000, 0.2M NDSB-256, 0.1M TRIS pH 8.67, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 293K
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
0.9792
1
3
0.97868
1
反射
解像度: 1.8→29.211 Å / Num. obs: 127394 / % possible obs: 95.4 % / Observed criterion σ(I): -3 / 冗長度: 3.74 % / Biso Wilson estimate: 21.082 Å2 / Rmerge(I) obs: 0.075 / Net I/σ(I): 7.89
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
1.8-1.86
0.563
1.5
41606
20958
1
89.8
1.86-1.94
0.435
1.9
48515
25370
1
94.4
1.94-2.03
0.308
2.6
50128
24719
1
97.9
2.03-2.13
0.232
3.5
46254
22839
1
97.5
2.13-2.27
0.177
4.5
50272
25123
1
96
2.27-2.44
0.139
5.6
45195
23025
1
95.1
2.44-2.69
0.111
7.1
50509
24802
1
97.8
2.69-3.07
0.073
10.3
45936
23061
1
94.3
3.07-3.87
0.04
17.7
50510
24455
1
97.2
3.87-29.21
0.028
23.8
47908
23515
1
93.6
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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
データスケーリング
REFMAC
5.7.0032
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: 1.8→29.211 Å / Cor.coef. Fo:Fc: 0.972 / Cor.coef. Fo:Fc free: 0.96 / Occupancy max: 1 / Occupancy min: 0.25 / SU B: 4.109 / SU ML: 0.066 / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.097 / ESU R Free: 0.095 立体化学のターゲット値: MAXIMUM LIKELIHOOD WITH PHASES 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.ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. WATERS AND LIGANDS WERE EXCLUDED FROM TLS ASSIGNMENT. 4. NICKEL (NI) AND GLYCEROL(GOL) FROM THE CRYSTALLIZATION AND CRYOPROTECTANT SOLUTION HAVE BEEN MODELED. THE MODELING OF NI IS SUPPORTED BY ANOMALOUS DIFFERENCE FOURIER MAPS. 5. AN UNIDENTIFIED LIGAND (UNL) HAS BEEN MODELED INTO ELECTRON DENSITY IN A POCKET LINED BY W402, Y173, E354, Q328 AND E276 IN EACH CHAIN. DUE TO THE PRESENCE OF AN ANOMALOUS DIFFERENCE FOURIER PEAK OVERLAPPING THIS REGION, A NICKEL ION WAS MODELED ADJACENT TO THE MODELED UNL. 6. THE N-TERMINUS OF BOTH CHAINS COME TOGETHER NEAR AN EXTENDED ANOMALOUS DIFFERENCE FOURIER PEAK, BUT THE DISORDER OF THE ANOMALOUS PEAK AND SURROUNDING ELECTRON DENSITY PREVENTED MODELING GLY-0 FROM BOTH CHAINS AND THE PRESUMED HYDRATED NICKEL ION.
Rfactor
反射数
%反射
Selection details
Rfree
0.1796
6400
5 %
RANDOM
Rwork
0.1501
-
-
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obs
0.1516
127320
98.67 %
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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