- PDB-2iab: Crystal structure of a protein with FMN-binding split barrel fold... -
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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: 2iab
タイトル
Crystal structure of a protein with FMN-binding split barrel fold (NP_828636.1) from Streptomyces avermitilis at 2.00 A resolution
要素
Hypothetical protein
キーワード
UNKNOWN FUNCTION / NP_828636.1 / hypothetical protein / Structural Genomics / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI
機能・相同性
Pyridoxamine 5'-phosphate oxidase, putative / Pyridoxamine 5'-phosphate oxidase / Electron Transport, Fmn-binding Protein; Chain A / Pnp Oxidase; Chain A / FMN-binding split barrel / Roll / Mainly Beta / ISOPROPYL ALCOHOL / Pyridoxamine 5'-phosphate oxidase putative domain-containing protein
BIOMOLECULE: 1 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 2 CHAIN(S) ...BIOMOLECULE: 1 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 2 CHAIN(S). SEE REMARK 350 FOR INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). SIZE EXCLUSION CHROMATOGRAPHY SUPPORTS THE ASSIGNMENT OF A DIMER AS A BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE.
Remark 999
SEQUENCE THE CONSTRUCT WAS EXPRESSED WITH A PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS ... SEQUENCE 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.
解像度: 2→34.001 Å / Num. obs: 24072 / % possible obs: 100 % / 冗長度: 14 % / Biso Wilson estimate: 31.69 Å2 / Rmerge(I) obs: 0.077 / Χ2: 0.942 / Net I/σ(I): 14.9
反射 シェル
解像度 (Å)
冗長度 (%)
Rmerge(I) obs
Num. unique all
Χ2
Diffraction-ID
% possible all
2-2.05
12.3
0.688
1672
0.941
1
100
2.05-2.11
13.7
0.554
1676
1.023
1
100
2.11-2.17
14.3
0.475
1681
1.056
1
100
2.17-2.24
14.4
0.367
1698
1.075
1
100
2.24-2.32
14.4
0.298
1677
1.146
1
100
2.32-2.41
14.5
0.255
1694
1.002
1
100
2.41-2.52
14.4
0.214
1694
0.967
1
100
2.52-2.65
14.4
0.168
1708
1.038
1
100
2.65-2.82
14.4
0.119
1709
1.019
1
100
2.82-3.04
14.3
0.088
1726
0.984
1
100
3.04-3.34
14.3
0.07
1724
0.82
1
100
3.34-3.83
14.1
0.053
1757
0.725
1
100
3.83-4.82
13.9
0.042
1782
0.77
1
100
4.82-50
12.8
0.04
1932
0.636
1
99.5
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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
SOLVE
位相決定
REFMAC
5.2.0005
精密化
SCALEPACK
データスケーリング
PDB_EXTRACT
2
データ抽出
DENZO
データ削減
精密化
構造決定の手法: 多波長異常分散 / 解像度: 2→34.001 Å / Cor.coef. Fo:Fc: 0.961 / Cor.coef. Fo:Fc free: 0.932 / SU B: 6.288 / SU ML: 0.094 / TLS residual ADP flag: LIKELY RESIDUAL / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.163 / ESU R Free: 0.157 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.FOUR ISOPROPANOL MOLECULES FROM CRYSTALLIZATION ARE BUILT IN THE MODEL. 4.A MET-INHIBITION ...詳細: 1.HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS 2.ATOM RECORD CONTAINS RESIDUAL B FACTORS ONLY 3.FOUR ISOPROPANOL MOLECULES FROM CRYSTALLIZATION ARE BUILT IN THE MODEL. 4.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. 5.AN ANOMALOUS DIFFERENCE DENSITY PEAK IS LOCATED BETWEEN THE SIDECHAINS OF TRP A133 AND ASP B25. THE POSITION OF THIS ANOMALOUS DIFFERENCE PEAK CORRESPONDS TO THE LOCATION OF THE SE ATOM OF MSE B1 IF THE NCS TRANSFORMATION RELATING SUBUNIT B TO SUBUNIT A IS APPLIED. HOWEVER, DISORDER AT THE N-TERMINUS OF THE A SUBUNIT PREVENTED MODELING OF RESIDUES A0 and A1. 6.WATER MOLECULES WERE MODELED INTO UNEXPLAINED DENSITY NEAR THR A79.
Rfactor
反射数
%反射
Selection details
Rfree
0.23
1196
5 %
RANDOM
Rwork
0.178
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all
0.18
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-
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obs
0.18
24057
99.87 %
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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