- PDB-2qdr: Crystal structure of a putative dioxygenase (npun_f5605) from nos... -
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基本情報
登録情報
データベース: PDB / ID: 2qdr
タイトル
Crystal structure of a putative dioxygenase (npun_f5605) from nostoc punctiforme pcc 73102 at 2.60 A resolution
要素
Uncharacterized protein
キーワード
UNKNOWN FUNCTION / Double-stranded beta-helix fold / structural genomics / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI-2
機能・相同性
機能・相同性情報
Protein of unknown function DUF4437 / Domain of unknown function (DUF4437) / RmlC-like cupin domain superfamily / Jelly Rolls / RmlC-like jelly roll fold / Jelly Rolls / Sandwich / Mainly Beta 類似検索 - ドメイン・相同性
Unknown ligand / DUF4437 domain-containing protein 類似検索 - 構成要素
BIOMOLECULE: 1 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT WHICH CONSISTS OF 3 ... BIOMOLECULE: 1 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 SUGGESTS AN OCTAMER AS A SIGNIFICANT OLIGOMERIZATION STATE.
Remark 999
SEQUENCE 1. THE SEQUENCE OF THIS PROTEIN WAS NOT AVAILABLE AT THE UNIPROT DATABASE AT THE TIME OF ... SEQUENCE 1. THE SEQUENCE OF THIS PROTEIN WAS NOT AVAILABLE AT THE UNIPROT DATABASE AT THE TIME OF DEPOSITION. THE SEQUENCE INFORMATION IS AVAILABLE AT GENBANK WITH ACCESSION CODE ZP_00345151.1 AND FROM THE UNIPROT ARCHIVE UNDER ACCESSION ID UPI000045C072. 2. 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.
モノクロメーター: Single crystal Si(111) bent (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
0.97916
1
3
0.97883
1
反射
解像度: 2.6→47.298 Å / Num. obs: 24629 / % possible obs: 99.6 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 70.689 Å2 / Rmerge(I) obs: 0.127 / Net I/σ(I): 10.68
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
2.6-2.69
0.012
1.6
32897
4326
1
98.8
2.69-2.8
0.012
2.2
35443
4563
1
100
2.8-2.93
0.012
2.8
35961
4622
1
100
2.93-3.08
0.012
3.7
33899
4361
1
100
3.08-3.27
0.012
5.6
34756
4459
1
100
3.27-3.52
0.012
7.9
35088
4502
1
100
3.52-3.88
0.012
10.5
34698
4470
1
97.7
3.88-4.43
0.012
18.4
34978
4480
1
100
4.43-5.57
0.012
23.3
35360
4515
1
100
5.57-47.298
0.012
30.1
35761
4602
1
99.7
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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
REFMAC
5.2.0005
精密化
PHENIX
精密化
SHELX
位相決定
MolProbity
3beta29
モデル構築
XSCALE
データスケーリング
PDB_EXTRACT
3
データ抽出
MAR345
CCD
データ収集
XDS
データ削減
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: 2.6→47.298 Å / Cor.coef. Fo:Fc: 0.927 / Cor.coef. Fo:Fc free: 0.909 / SU B: 27.995 / SU ML: 0.273 / TLS residual ADP flag: LIKELY RESIDUAL / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.613 / ESU R Free: 0.336 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 DENSITIES FOR RESIDUES 1-15 AND 301-302 IN THE A SUBUNIT, AND RESIDUES 1-17 AND 302 IN THE B-SUBUNIT WERE DISORDERED. THEREFORE, THESE RESIDUES WERE NOT MODELED. 5. 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID (HEPES) MOLECULES FROM THE CRYSTALLIZATION SOLUTIONS WERE MODELED INTO THE STRUCTURE. 6. UNKNOWN LIGANDS (UNL) WERE MODELED IN THE PUTATIVE ACTIVE SITES NEAR THE SIDECHAIN OF HIS 272 ON BOTH SUBUNITS OF THE ASYMMETRIC UNIT.
Rfactor
反射数
%反射
Selection details
Rfree
0.286
1252
5.1 %
RANDOM
Rwork
0.24
-
-
-
obs
0.242
24591
99.66 %
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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