- PDB-3c6c: Crystal structure of a putative 3-keto-5-aminohexanoate cleavage ... -
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基本情報
登録情報
データベース: PDB / ID: 3c6c
タイトル
Crystal structure of a putative 3-keto-5-aminohexanoate cleavage enzyme (reut_c6226) from ralstonia eutropha jmp134 at 1.72 A resolution
要素
3-keto-5-aminohexanoate cleavage enzyme
キーワード
HYDROLASE / Duf849 family protein / tim beta/alpha-barrel 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
3-keto-5-aminohexanoate cleavage activity / metal ion binding 類似検索 - 分子機能
3-keto-5-aminohexanoate cleavage enzyme / beta-keto acid cleavage enzyme / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel / Alpha-Beta Barrel / Alpha Beta 類似検索 - ドメイン・相同性
ACETATE ION / NICKEL (II) ION / DI(HYDROXYETHYL)ETHER / 3-keto-5-aminohexanoate cleavage enzyme 類似検索 - 構成要素
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: 0.97964 Å / 相対比: 1
反射
解像度: 1.72→38.72 Å / Num. obs: 43691 / % possible obs: 99.8 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 20.155 Å2 / Rmerge(I) obs: 0.08 / Net I/σ(I): 11.66
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
1.72-1.79
0.444
2.7
17084
4860
1
99.9
1.79-1.87
0.351
3.4
17371
4751
1
100
1.87-1.97
0.251
4.9
17326
4801
1
99.6
1.97-2.09
0.166
6.9
16991
4690
1
99.3
2.09-2.25
0.146
9.4
19555
4782
1
99.8
2.25-2.48
0.161
11.7
26782
4936
1
99.9
2.48-2.84
0.129
15.6
34369
4889
1
100
2.84-3.57
0.07
22
35053
4871
1
100
3.57-38.72
0.052
27.1
34824
5112
1
99.6
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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
REFMAC
5.4.0067
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
SHELXD
位相決定
autoSHARP
位相決定
精密化
構造決定の手法: 単波長異常分散 / 解像度: 1.72→38.72 Å / Cor.coef. Fo:Fc: 0.971 / Cor.coef. Fo:Fc free: 0.958 / SU B: 3.669 / SU ML: 0.061 / TLS residual ADP flag: LIKELY RESIDUAL / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.079 / ESU R Free: 0.082 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. AN X-RAY EMISSION SPECTRUM AND AN X-RAY FLUORESCENCE SCAN NEAR NI ABSORPTION EDGE TAKEN FROM THE SAMPLE VERIFY THE PRESENCE OF NI METAL. THE OCCUPANCY WAS ADJUSTED TO REFLECT THE DENSITY AND TO PROVIDE A SIMILAR B-FACTOR AS THE COORDINATING PROTEIN ATOMS. 5. EDO, ACT AND PEG FROM THE CRYSTALLIZATION BUFFER WERE MODELED INTO THE STRUCTURE.
Rfactor
反射数
%反射
Selection details
Rfree
0.184
2196
5 %
RANDOM
Rwork
0.153
-
-
-
obs
0.154
43691
99.78 %
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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
原子変位パラメータ
Biso mean: 17.493 Å2
Baniso -1
Baniso -2
Baniso -3
1-
0.78 Å2
0 Å2
0 Å2
2-
-
-0.3 Å2
0 Å2
3-
-
-
-0.48 Å2
精密化ステップ
サイクル: LAST / 解像度: 1.72→38.72 Å
タンパク質
核酸
リガンド
溶媒
全体
原子数
2201
0
24
391
2616
拘束条件
Refine-ID
タイプ
Dev ideal
Dev ideal target
数
X-RAY DIFFRACTION
r_bond_refined_d
0.015
0.022
2316
X-RAY DIFFRACTION
r_bond_other_d
0.001
0.02
1569
X-RAY DIFFRACTION
r_angle_refined_deg
1.469
1.984
3154
X-RAY DIFFRACTION
r_angle_other_deg
1.634
3
3849
X-RAY DIFFRACTION
r_dihedral_angle_1_deg
5.777
5
311
X-RAY DIFFRACTION
r_dihedral_angle_2_deg
34.875
24.211
95
X-RAY DIFFRACTION
r_dihedral_angle_3_deg
12.537
15
382
X-RAY DIFFRACTION
r_dihedral_angle_4_deg
17.488
15
17
X-RAY DIFFRACTION
r_chiral_restr
0.083
0.2
368
X-RAY DIFFRACTION
r_gen_planes_refined
0.007
0.021
2602
X-RAY DIFFRACTION
r_gen_planes_other
0.003
0.02
437
X-RAY DIFFRACTION
r_mcbond_it
1.527
3
1492
X-RAY DIFFRACTION
r_mcbond_other
0.444
3
603
X-RAY DIFFRACTION
r_mcangle_it
2.3
5
2412
X-RAY DIFFRACTION
r_scbond_it
3.74
8
824
X-RAY DIFFRACTION
r_scangle_it
5.445
11
733
LS精密化 シェル
解像度: 1.72→1.765 Å / Total num. of bins used: 20
Rfactor
反射数
%反射
Rfree
0.304
163
-
Rwork
0.235
3051
-
all
-
3214
-
obs
-
-
99.78 %
精密化 TLS
手法: refined / Origin x: 31.9292 Å / Origin y: 39.8619 Å / Origin z: 49.9412 Å