- PDB-3oyv: Crystal structure of an imelysin peptidase (BACOVA_03801) from Ba... -
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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: 3oyv
タイトル
Crystal structure of an imelysin peptidase (BACOVA_03801) from Bacteroides ovatus ATCC 8483 at 1.25 A resolution
要素
Imelysin
キーワード
HYDROLASE / OUTER MEMBRANE PROTEIN / EXTRACELLULAR ACTIVE SITE / METAL BINDING PROTEIN / STRUCTURAL GENOMICS / JOINT CENTER FOR STRUCTURAL GENOMICS / JCSG / PROTEIN STRUCTURE INITIATIVE / PSI-BIOLOGY
CRYSTAL PACKING SUGGESTS THE ASSIGNMENT OF A MONOMER AS THE SIGNIFICANT OLIGOMERIZATION STATE IN SOLUTION. ANALYTICAL SIZE EXCLUSION CHROMATOGRAPHY WITH STATIC LIGHT SCATTERING PROVIDES SUPPORTING EVIDENCE THAT A MONOMER IS A SIGNIFICANT OLIGOMERIZATION STATE.
THE CONSTRUCT (RESIDUES 25-384) WAS EXPRESSED WITH A PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG ...THE CONSTRUCT (RESIDUES 25-384) 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: 2.16 Å3/Da / 溶媒含有率: 43.1 %
結晶化
温度: 277 K / 手法: 蒸気拡散法, シッティングドロップ法 / pH: 4.5 詳細: 0.05M KH2PO4, 20.00% PEG-8000, No Buffer pH 4.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K
解像度: 1.25→31.208 Å / Num. obs: 93405 / % possible obs: 98.6 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 11.53 Å2 / Rmerge(I) obs: 0.055 / Net I/σ(I): 12.79
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
1.25-1.29
0.522
2.2
24228
7550
1
89.3
1.29-1.35
0.394
3.1
39804
10901
1
99.8
1.35-1.41
0.308
4
33730
9176
1
99.8
1.41-1.48
0.229
5.2
32426
8804
1
99.8
1.48-1.57
0.152
7.7
34108
9210
1
99.8
1.57-1.7
0.112
10.2
37567
10135
1
99.8
1.7-1.87
0.077
14.2
34587
9317
1
99.6
1.87-2.14
0.053
20.4
34742
9362
1
99.5
2.14-2.69
0.039
27.1
34692
9377
1
99.3
2.69-31.208
0.034
32.3
34802
9571
1
98.2
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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
SHELX
位相決定
REFMAC
5.5.0110
精密化
XSCALE
データスケーリング
PDB_EXTRACT
3.1
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: 1.25→31.208 Å / Cor.coef. Fo:Fc: 0.981 / Cor.coef. Fo:Fc free: 0.974 / Occupancy max: 1 / Occupancy min: 0.2 / SU B: 1.618 / SU ML: 0.031 / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.043 / ESU R Free: 0.042 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. CHLORIDE (CL), GLYCEROL (EDO) MODELED ARE PRESENT CRYSTALLIZATION/PURIFICATION/CRYO BUFFERS. 3. AN UNKNOWN LIGAND (UNL) IS MODELED ...詳細: 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 2. CHLORIDE (CL), GLYCEROL (EDO) MODELED ARE PRESENT CRYSTALLIZATION/PURIFICATION/CRYO BUFFERS. 3. AN UNKNOWN LIGAND (UNL) IS MODELED INTO THE PUTATIVE ACTIVE SITE.
Rfactor
反射数
%反射
Selection details
Rfree
0.163
4682
5 %
RANDOM
Rwork
0.1318
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obs
0.1333
93405
98.9 %
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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: MASK