- PDB-3nqn: Crystal structure of a Protein with unknown function. (DR_2006) f... -
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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: 3nqn
タイトル
Crystal structure of a Protein with unknown function. (DR_2006) from DEINOCOCCUS RADIODURANS at 1.88 A resolution
要素
uncharacterized protein
キーワード
Structural Genomics / Unknown Function / Protein with unknown function / Joint Center for Structural Genomics / JCSG / Protein Structure Initiative / PSI-2
機能・相同性
Uncharacterised protein PF12723, DUF3809 / Protein of unknown function DUF3809 / Protein of unknown function (DUF3809) / Alpha-D-Glucose-1,6-Bisphosphate; Chain A, domain 4 / 2-Layer Sandwich / metal ion binding / Alpha Beta / DUF3809 domain-containing protein
Component-ID: 1 / Ens-ID: 1 / Beg auth comp-ID: LEU / Beg label comp-ID: LEU / End auth comp-ID: PRO / End label comp-ID: PRO / Refine code: 6 / Auth seq-ID: 3 - 156 / Label seq-ID: 4 - 157
Dom-ID
Auth asym-ID
Label asym-ID
1
A
A
2
B
B
詳細
CRYSTAL PACKING ANALYSIS AND ANAYLTICAL SIZE EXCLUSION CHROMATOGRAPHY SUPPORT THE ASSIGNMENT OF A DIMER AS THE SIGNIFICANT OLIGOMERIC FORM IN SOLUTION.
THE CONSTRUCT WAS EXPRESSED WITH A PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH ...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.
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実験情報
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実験
実験
手法: X線回折 / 使用した結晶の数: 1
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試料調製
結晶
マシュー密度: 2.4 Å3/Da / 溶媒含有率: 48.76 % 解説: THE R MERGE, AND COMPLETENETSS STATISTICS REPORTED IN REMARK 200 WERE COMPUTED WITH XSCALE WITH FRIEDEL PAIRS KEPT SEPARATE.
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
0.97925
1
3
0.97883
1
反射
解像度: 1.88→28.893 Å / Num. obs: 27005 / % possible obs: 96.3 % / Observed criterion σ(I): -3 / 冗長度: 6.1 % / Biso Wilson estimate: 27.317 Å2 / Rmerge(I) obs: 0.063 / Net I/σ(I): 13.56
反射 シェル
解像度 (Å)
冗長度 (%)
Rmerge(I) obs
Mean I/σ(I) obs
Num. measured obs
Num. unique obs
% possible all
1.88-1.95
4.5
0.754
1.3
10892
4352
82.8
1.95-2.03
0.525
2.1
15583
4918
95.6
2.03-2.12
0.394
2.9
16132
4769
97.5
2.12-2.23
0.282
4.2
17003
4930
98.3
2.23-2.37
0.223
5.4
17309
4935
98.5
2.37-2.55
0.156
7.7
17426
4940
98.8
2.55-2.81
0.111
10.9
18021
5052
98.6
2.81-3.21
0.059
19.3
17499
4858
98.3
3.21-4.04
0.032
33.6
17912
4939
97.2
4.04-28.893
0.022
45.8
18249
5038
97.9
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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
5.5.0110
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
3.006
データ抽出
XDS
データ削減
SHELXD
位相決定
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: 1.88→28.893 Å / Cor.coef. Fo:Fc: 0.954 / Cor.coef. Fo:Fc free: 0.935 / Occupancy max: 1 / Occupancy min: 0.33 / SU B: 7.371 / SU ML: 0.112 / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R Free: 0.147 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. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE ...詳細: 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 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 FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET INCORPORATION. 3. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 4. WATERS WERE EXCLUDED FROM THE ASSIGNMENT OF TLS GROUPS. 5. CALCIUM (CA) FROM THE CRYSTALLIZATION AND (4R)-2-METHYL-2,4-PENTANEDIOL (MRD), USED AS A CRYO- PROTECTANT WERE MODELED INTO THE STRUCTURE. 6. ELECTRON DENSITIES CORRESPONDING TO RESIDUES 116-119 ON THE A SUBUNIT AND RESIDUES 117-123 ON THE B SUBUNIT WERE DISORDERED AND THESE REGIONS COULD NOT BE RELIABLY MODELED.
Rfactor
反射数
%反射
Selection details
Rfree
0.238
1350
5 %
RANDOM
Rwork
0.196
-
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obs
0.199
26914
97.98 %
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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: 1.4 Å / 溶媒モデル: BABINET MODEL WITH MASK