- PDB-4esn: Crystal structure of a DUF1312 family protein (RUMGNA_02503) from... -
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基本情報
登録情報
データベース: PDB / ID: 4esn
タイトル
Crystal structure of a DUF1312 family protein (RUMGNA_02503) from Ruminococcus gnavus ATCC 29149 at 2.20 A resolution
要素
hypothetical protein
キーワード
Structural Genomics / Unknown Function / PROTEIN OF PF07009 FAMILY / DUF1312 / JOINT CENTER FOR STRUCTURAL GENOMICS / JCSG / PROTEIN STRUCTURE INITIATIVE / PSI-BIOLOGY
機能・相同性
NusG, domain 2 / N-utilization substance G protein NusG, insert domain / NusG, domain 2 superfamily / NusG domain II / mini-chromosome maintenance (MCM) complex, domain 2 / Sandwich / Mainly Beta / metal ion binding / NusG domain-containing protein
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 33-117 OF THE TARGET SEQUENCE. ANALYSIS OF THE PURIFIED PROTEIN BY MASS SPECTROMETRY AND GEL ELECTROPHORESIS SHOWS THAT WHILE THE MAJORITY OF THE PROTEIN WAS CLEAVED, THERE WAS SOME UNCLEAVED PROTEIN PRESENT. SINCE ELECTRON DENSITY WAS OBSERVED FOR RESIDUES -2 AND -1 IN BOTH CHAINS, THE TAG SEQUENCE IS INCLUDED IN THE SEQRES RECORDS. THE CRYSTAL MAY CONTAIN A MIXTURE OF TAG-ON AND TAG-OFF PROTEIN.
モノクロメーター: double crystal / プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray
放射波長
波長: 0.97915 Å / 相対比: 1
反射
解像度: 2.2→28.58 Å / Num. all: 9044 / Num. obs: 9044 / % possible obs: 99.5 % / 冗長度: 7.1 % / Rsym value: 0.081 / Net I/σ(I): 11.5
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 all
Num. unique all
Rsym value
% possible all
2.2-2.26
7.3
0.695
1.1
4772
656
0.695
99
2.26-2.32
7.3
0.566
1.4
4532
625
0.566
99.7
2.32-2.39
7.3
0.514
1.5
4525
621
0.514
99.4
2.39-2.46
7.3
0.375
2
4313
592
0.375
99.2
2.46-2.54
7.2
0.323
2.4
4252
591
0.323
99.4
2.54-2.63
7.2
0.25
3.1
4056
560
0.25
99.6
2.63-2.73
7.2
0.183
4.1
3989
551
0.183
99.4
2.73-2.84
7.2
0.152
4.8
3855
537
0.152
99.8
2.84-2.97
7.2
0.133
5.4
3633
505
0.133
99.7
2.97-3.11
7.1
0.117
5.8
3503
493
0.117
99.7
3.11-3.28
7.2
0.091
7
3419
475
0.091
99.8
3.28-3.48
7.1
0.086
7.3
3130
441
0.086
99.8
3.48-3.72
7
0.076
8.4
2973
423
0.076
99.8
3.72-4.02
7
0.07
8.8
2792
398
0.07
99.7
4.02-4.4
7
0.059
10.1
2543
364
0.059
99.9
4.4-4.92
6.9
0.06
10.6
2286
331
0.06
99.8
4.92-5.68
6.8
0.066
10
2040
302
0.066
99.9
5.68-6.96
6.6
0.079
8.8
1673
253
0.079
100
6.96-9.84
6.3
0.056
10.6
1336
212
0.056
99.3
9.84-28.58
5.5
0.061
10.2
626
114
0.061
90.3
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位相決定
位相決定
手法: 単波長異常分散
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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
SCALA
3.3.20
データスケーリング
BUSTER-TNT
2.10.0
精密化
MOSFLM
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: 単波長異常分散 / 解像度: 2.2→28.58 Å / Cor.coef. Fo:Fc: 0.9552 / Cor.coef. Fo:Fc free: 0.9477 / Occupancy max: 1 / Occupancy min: 0.5 / 交差検証法: THROUGHOUT / σ(F): 0 詳細: 1. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 2. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION ...詳細: 1. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 2. 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. 3. POLYETHYLENE GLYCOL (PE4) FROM THE CRYOPROTECTANT AND CL IONS FROM THE CRYSTALLIZATION CONDITION HAVE BEEN MODELED IN THE SOLVENT STRUCTURE. 4. ZN ION WAS MODELED IN THE PUTATIVE ACTIVE CENTER OF EACH PROTOME BASED ON ANOMALOUS DIFFERENCE MAPS AND EXCITATION SCANS. 5. 11 C-TERMINAL RESIDUES OF A AND B MOLECULES WERE DISORDERED. 6. NCS RESTRAINTS WERE APPLIED USING BUSTER'S LSSR RESTRAINT REPRESENTATION (-AUTONCS).