- PDB-1mw8: Crystal Structure of a Complex between H365R mutant of 67 kDA N-t... -
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基本情報
登録情報
データベース: PDB / ID: 1mw8
タイトル
Crystal Structure of a Complex between H365R mutant of 67 kDA N-terminal fragment of E. coli DNA Topoisomerase I and 5'-ACTTCGGGATG-3'
要素
5'-D(*AP*CP*TP*TP*CP*GP*GP*GP*AP*TP*G)-3'
DNA Topoisomerase I
キーワード
ISOMERASE / DNA TOPOISOMERASE / DECATENASE ENZYME / TOPRIM DOMAIN
機能・相同性
機能・相同性情報
RNA topoisomerase activity / DNA topoisomerase activity / DNA topoisomerase / DNA topoisomerase type I (single strand cut, ATP-independent) activity / DNA topological change / chromosome / DNA binding / zinc ion binding / cytosol 類似検索 - 分子機能
DNA topoisomerase I, zinc ribbon-like, bacterial-type / : / Topoisomerase I zinc-ribbon-like / Topoisomerase I, zinc finger / DNA topoisomerase, type IA, zn finger / Topoisomerase DNA binding C4 zinc finger / DNA topoisomerase I, bacterial-type / DNA topoisomerase I, type IA / DNA topoisomerase 1, TOPRIM domain / Topoisomerase I, domain 3 ...DNA topoisomerase I, zinc ribbon-like, bacterial-type / : / Topoisomerase I zinc-ribbon-like / Topoisomerase I, zinc finger / DNA topoisomerase, type IA, zn finger / Topoisomerase DNA binding C4 zinc finger / DNA topoisomerase I, bacterial-type / DNA topoisomerase I, type IA / DNA topoisomerase 1, TOPRIM domain / Topoisomerase I, domain 3 / Topoisomerase I; domain 2 / Topoisomerase I, domain 2 / Rossmann fold - #140 / Topoisomerase I; domain 4 / Topoisomerase I, domain 4 / Topoisomerase I; domain 3 / DNA topoisomerase, type IA / DNA topoisomerase, type IA, central region, subdomain 2 / DNA topoisomerase, type IA, active site / Topoisomerase (Topo) IA-type active site signature. / Topoisomerase (Topo) IA-type catalytic domain profile. / DNA topoisomerase, type IA, domain 2 / DNA topoisomerase, type IA, DNA-binding domain / DNA topoisomerase, type IA, central / DNA topoisomerase, type IA, central region, subdomain 1 / DNA topoisomerase, type IA, central region, subdomain 3 / DNA topoisomerase, type IA, core domain / DNA topoisomerase / Bacterial DNA topoisomeraes I ATP-binding domain / Bacterial DNA topoisomerase I DNA-binding domain / TOPRIM / Toprim domain / Toprim domain profile. / TOPRIM domain / Distorted Sandwich / Rossmann fold / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Beta / Mainly Alpha / Alpha Beta 類似検索 - ドメイン・相同性
THYMIDINE-5'-PHOSPHATE / DNA / DNA (> 10) / DNA topoisomerase 1 類似検索 - 構成要素
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: 0.95 Å / 相対比: 1
反射
解像度: 1.9→35 Å / Num. obs: 53723 / % possible obs: 95.5 % / 冗長度: 3.9 % / Rmerge(I) obs: 0.069 / Rsym value: 0.061 / Net I/σ(I): 7.7
反射
*PLUS
Num. measured all: 209779
反射 シェル
*PLUS
% possible obs: 66.4 % / Rmerge(I) obs: 0.334
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解析
ソフトウェア
名称
バージョン
分類
REFMAC
5
精密化
SCALA
データスケーリング
CNS
精密化
MAR345
データ収集
CCP4
(SCALA)
データスケーリング
CNS
位相決定
精密化
構造決定の手法: 分子置換 開始モデル: H365R mutant, apo form 解像度: 1.9→70.71 Å / Cor.coef. Fo:Fc: 0.935 / Cor.coef. Fo:Fc free: 0.907 / 交差検証法: THROUGHOUT / 立体化学のターゲット値: MAXIMUM LIKELIHOOD / 詳細: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
Rfactor
反射数
%反射
Selection details
Rfree
0.27257
2846
5.1 %
RANDOM
Rwork
0.22346
-
-
-
obs
0.22595
52986
97.89 %
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溶媒の処理
減衰半径: 0.8 Å / 溶媒モデル: BABINET MODEL WITH MASK
原子変位パラメータ
Biso mean: 31.266 Å2
Baniso -1
Baniso -2
Baniso -3
1-
-0.53 Å2
0 Å2
0 Å2
2-
-
1.16 Å2
0 Å2
3-
-
-
-0.63 Å2
精密化ステップ
サイクル: LAST / 解像度: 1.9→70.71 Å
タンパク質
核酸
リガンド
溶媒
全体
原子数
4621
126
46
553
5346
拘束条件
Refine-ID
タイプ
Dev ideal
Dev ideal target
数
X-RAY DIFFRACTION
r_bond_refined_d
0.01
0.021
4895
X-RAY DIFFRACTION
r_bond_other_d
0.001
0.02
4346
X-RAY DIFFRACTION
r_angle_refined_deg
1.321
1.992
6676
X-RAY DIFFRACTION
r_angle_other_deg
0.726
3
10127
X-RAY DIFFRACTION
r_dihedral_angle_1_deg
3.751
3
594
X-RAY DIFFRACTION
r_dihedral_angle_2_deg
17.637
15
879
X-RAY DIFFRACTION
r_chiral_restr
0.079
0.2
714
X-RAY DIFFRACTION
r_gen_planes_refined
0.004
0.02
5351
X-RAY DIFFRACTION
r_gen_planes_other
0.001
0.02
970
X-RAY DIFFRACTION
r_nbd_refined
0.279
0.3
1384
X-RAY DIFFRACTION
r_nbd_other
0.24
0.3
4558
X-RAY DIFFRACTION
r_nbtor_other
X-RAY DIFFRACTION
r_xyhbond_nbd_refined
0.242
0.5
533
X-RAY DIFFRACTION
r_xyhbond_nbd_other
0.305
0.5
15
X-RAY DIFFRACTION
r_symmetry_vdw_refined
0.275
0.3
22
X-RAY DIFFRACTION
r_symmetry_vdw_other
0.235
0.3
40
X-RAY DIFFRACTION
r_symmetry_hbond_refined
0.275
0.5
28
X-RAY DIFFRACTION
r_symmetry_hbond_other
X-RAY DIFFRACTION
r_mcbond_it
0.751
1.5
2897
X-RAY DIFFRACTION
r_mcangle_it
1.411
2
4701
X-RAY DIFFRACTION
r_scbond_it
1.956
3
1998
X-RAY DIFFRACTION
r_scangle_it
3.329
4.5
1975
X-RAY DIFFRACTION
r_rigid_bond_restr
X-RAY DIFFRACTION
r_sphericity_free
X-RAY DIFFRACTION
r_sphericity_bonded
LS精密化 シェル
解像度: 1.9→1.949 Å / Total num. of bins used: 20 /
Rfactor
反射数
Rfree
0.317
176
Rwork
0.28
3253
ソフトウェア
*PLUS
バージョン: 5 / 分類: refinement
精密化
*PLUS
最高解像度: 1.9 Å / 最低解像度: 70 Å / Num. reflection Rfree: 2749 / Rfactor Rfree: 0.272 / Rfactor Rwork: 0.224