- PDB-4e6f: Crystal structure of a DUF4468 family protein (BACOVA_04320) from... -
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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: 4e6f
タイトル
Crystal structure of a DUF4468 family protein (BACOVA_04320) from Bacteroides ovatus ATCC 8483 at 1.49 A resolution
要素
Uncharacterized protein
キーワード
UNKNOWN FUNCTION / PF14730 FAMILY PROTEIN / DUF4468 WITH TBP-LIKE FOLD / STRUCTURAL GENOMICS / JOINT CENTER FOR STRUCTURAL GENOMICS / JCSG / PROTEIN STRUCTURE INITIATIVE / PSI-BIOLOGY
機能・相同性
Alpha-D-Glucose-1,6-Bisphosphate; Chain A, domain 4 - #80 / Domain of unknown function DUF4468 with TBP-like fold / Domain of unknown function (DUF4468) with TBP-like fold / Alpha-D-Glucose-1,6-Bisphosphate; Chain A, domain 4 / 2-Layer Sandwich / Alpha Beta / NITRATE ION / DUF4468 domain-containing protein
THE UNIT CELL IS TOO SMALL TO CONTAIN THE INTACT PURIFIED PROTEIN CONSTRUCT RESIDUES 25-384). ...THE UNIT CELL IS TOO SMALL TO CONTAIN THE INTACT PURIFIED PROTEIN CONSTRUCT RESIDUES 25-384). THEREFORE, THE CRYSTAL MUST CONTAIN A PROTEOLYTIC FRAGMENT. THE PROTEOLTIC BOUNDARY IS NOT KNOWN. RESIDUES 30-200 WERE MODELED IN CHAIN A AND 32-204 IN CHAIN B BASED ON THE ELECTRON DENSITY.
Has protein modification
Y
配列の詳細
THE CONSTRUCT WAS EXPRESSED WITH AN N-TERMINAL PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS ...THE CONSTRUCT WAS EXPRESSED WITH AN N-TERMINAL PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH TEV PROTEASE LEAVING ONLY A GLYCINE (0) FOLLOWED BY RESIDUES 25-384 OF THE TARGET SEQUENCE. AFTER PURIFICATION, THE INTACT CONSTRUCT WAS CONFIRMED VIA MASS SPECTROMETRY WITH NO EVIDENCE OF PROTEOYLSIS IN THE SDS-GEL. HOWEVER, SINCE THERE IS EVIDENCE OF PROTEOLYSIS IN THE CRYSTAL STRUCTURE AND THE BOUNDARY IS NOT KNOWN, THE SEQRES RECORDS REFLECT THE RESIDUES OBSERVED IN THE ELECTRON DENSITY MAP.
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
0.97972
1
2
0.91837
1
3
0.97917
1
反射
解像度: 1.49→47.449 Å / Num. obs: 69985 / % possible obs: 98.1 % / Observed criterion σ(I): -3 / 冗長度: 3.42 % / Biso Wilson estimate: 17.175 Å2 / Rmerge(I) obs: 0.054 / Net I/σ(I): 12.94
反射 シェル
Diffraction-ID: 1
解像度 (Å)
冗長度 (%)
Rmerge(I) obs
Mean I/σ(I) obs
Num. measured obs
Num. unique obs
% possible all
1.49-1.54
3.36
0.546
2.19
22139
6594
98
1.54-1.6
0.397
2.8
21899
6781
97.8
1.6-1.68
0.313
3.8
27123
7722
98.8
1.68-1.77
0.218
5.3
24582
7096
98.4
1.77-1.88
0.15
7.3
22449
6822
97.3
1.88-2.02
0.099
11.1
23812
6753
98.5
2.02-2.23
0.066
15.8
25322
7266
98.8
2.23-2.55
0.053
19.6
23414
6871
97.5
2.55-3.21
0.041
26.1
24672
7029
98.9
3.21-47.449
0.028
35
23721
7051
97
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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
December29, 2011
データスケーリング
BUSTER-TNT
2.10.0
精密化
XDS
データ削減
SHELXD
位相決定
BUSTER
2.10.0
精密化
精密化
構造決定の手法: 多波長異常分散 / 解像度: 1.49→47.449 Å / Cor.coef. Fo:Fc: 0.9677 / Cor.coef. Fo:Fc free: 0.9604 / Occupancy max: 1 / Occupancy min: 0.25 / 交差検証法: THROUGHOUT / σ(F): 0 詳細: 1. 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 ...詳細: 1. 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. 2. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 3. THE MAD PHASES WERE USED AS RESTRAINTS DURING REFINEMENT. 4. NITRATE AND ETHYLENE GLYCOL MODELED WERE PRESENT IN CRYSTALLIZATION CONDITION OR CRYOPROTECTANT. 5. THE C-TERMINAL PORTION OF THE PROTEIN WAS PRESENT AFTER PURIFICATION, BUT IS NOT OBSERVED IN THE CRYSTAL STRUCTURE. THE SIZE OF THE UNIT CELL IS TOO SMALL TO CONTAIN THE FULL CONSTRUCT. THEREFORE THE CRYSTAL MUST CONTAIN A PROTEOLYTIC FRAGMENT. HOWEVER, THE SITE OF PROTEOLYSIS IS UNKNOWN. RESIDUES 30-200 WERE MODELED IN CHAIN A AND 32-204 IN CHAIN B.