- PDB-2iiu: Crystal structure of a putative PhoU-like phosphate regulatory pr... -
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基本情報
登録情報
データベース: PDB / ID: 2iiu
タイトル
Crystal structure of a putative PhoU-like phosphate regulatory protein (NP_719307.1) from Shewanella oneidensis MR-1 at 2.28 A resolution.
要素
Hypothetical protein
キーワード
Structural Genomics/Unknown function / NP_719307.1 / conserved hypothetical protein / Structural Genomics / PSI-2 / Protein Structure Initiative / Joint Center for Structural Genomics / JCSG / Structural Genomics-Unknown function COMPLEX
機能・相同性
Protein of unknown function DUF47 / Putative phosphate transport regulator / Protein of unknown function DUF47 / Phosphate transport system protein phou homolog 2; domain 2 / PhoU-like domain superfamily / Methane Monooxygenase Hydroxylase; Chain G, domain 1 / Up-down Bundle / Mainly Alpha / TIGR00153 family protein
BIOMOLECULE: 1, 2 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 3 ... BIOMOLECULE: 1, 2 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 3 CHAIN(S). SEE REMARK 350 FOR INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). SIZE EXCLUSION CHROMATOGRAPHY SUPPORTS THE ASSIGNMENT OF A HEXAMER AS A BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE.
マシュー密度: 2.7 Å3/Da / 溶媒含有率: 54.08 % 解説: X-RAY DATA WERE COLLECTED TO A MAXIMUM RESOLUTION OF 2.00 ANGSTROMS BUT DUE TO HEAVY ICE RINGS BEYOND 2.27 ANGSTROMS, ONLY REFLECTIONS BETWEEN 47 AND 2.28 ANGSTROMS WERE USED FOR THE REFINEMENT.
モノクロメーター: Single crystal Si(111) bent monochromator (horizontal focusing) 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
0.979318
1
3
0.979035
1
反射
解像度: 2→46.73 Å / Num. obs: 52278 / % possible obs: 98.5 % / 冗長度: 20.2 % / Biso Wilson estimate: 39.053 Å2 / Rmerge(I) obs: 0.134 / Net I/σ(I): 14.54
反射 シェル
解像度 (Å)
Rmerge(I) obs
Mean I/σ(I) obs
Num. measured obs
Diffraction-ID
% possible all
2-2.05
0.651
2.91
51592
1
100
2.05-2.14
0.603
3.63
89753
1
100
2.14-2.25
0.391
4.26
83704
1
94.4
2.25-2.39
0.564
5.55
117277
1
93.2
2.39-2.58
0.421
9.07
149700
1
100
2.58-2.84
0.265
13.57
144860
1
100
2.84-3.25
0.161
19.65
144236
1
100
3.25-4.08
0.098
28.78
139178
1
99.5
4.08-47.5
0.083
37.22
139362
1
99.8
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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
SHARP
位相決定
REFMAC
5.2.0005
精密化
XSCALE
データスケーリング
PDB_EXTRACT
2
データ抽出
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: 2.28→47.458 Å / Cor.coef. Fo:Fc: 0.952 / Cor.coef. Fo:Fc free: 0.923 / SU B: 12.387 / SU ML: 0.155 / TLS residual ADP flag: LIKELY RESIDUAL / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.284 / ESU R Free: 0.222 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. ATOM RECORD CONTAINS RESIDUAL B FACTORS ONLY 3. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN ...詳細: 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS 2. ATOM RECORD CONTAINS RESIDUAL B FACTORS ONLY 3. 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. 4. ELECTRON DENSITY FOR RESIDUES 1-12 ON THE A AND B SUBUNITS AND FOR RESIDUES 1-6 ON THE C SUBUNIT ARE DISORDERED, THEREFORE THESE RESIDUES WERE NOT MODELED. 5. ELECTRON DENSITIES FOR THE FOLLOWING REGIONS ARE DISORDERD: A72-A74, A148-A150,B73,B148-B150,C73-C76, AND C149-C150; THEREFORE THESE RESIDUES WERE NOT MODELED. 6. ETHYLENE GLYCOL MOLECULES USED AS A CRYOPROTECTANT HAVE BEEN INCORPORATED INTO THE MODEL.
Rfactor
反射数
%反射
Selection details
Rfree
0.247
1812
5.1 %
RANDOM
Rwork
0.2
-
-
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obs
0.202
35397
99.88 %
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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