1sc7

;Human DNA Topoisomerase I (70 Kda) In Complex With The Indenoisoquinoline MJ-II-38 and Covalent Complex With A 22 Base Pair DNA Duplex ;

Method: X-RAY DIFFRACTION Dmax: 103.6 Å Quality: REASONABLE

SAXS 散射曲线 SAXS Profile

SAXS profile for 1sc7

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1sc7
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id1sc7
沉积日期 deposition_date2004-02-11
结构标题 title;Human DNA Topoisomerase I (70 Kda) In Complex With The Indenoisoquinoline MJ-II-38 and Covalent Complex With A 22 Base Pair DNA Duplex ;
关键词 keywordsCOMPLEX (ISOMERASE-DNA), DNA, TOPOISOMERASE I, DRUG, POISON, IDENOISOQUINOLINE, ISOMERASE-DNA complex; ISOMERASE/DNA
实验方法 methodX-RAY DIFFRACTION

2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier29.15
回转半径 Rg (电子) rg_electron29.09
零角强度 I(0) i0125709000.00
分子量 molecular_weight80797.0 kDa
排除体积 excluded_volume97915 ų
包络体积 envelope_volume132870 ų
水化壳体积 shell_volume38498 ų
包络直径 envelope_diameter112.4
壳层 Rg shell_rg35.72
包络 Rg envelope_rg29.31
形状 Rg shape_rg29.05
总 Rg total_rg29.79
总原子数 total_atoms5629
残基数 n_residues609
球谐函数阶数 n_harmonics20
q 范围 q_range— – 0.5000 −1
数据点数 n_points101
壳层类型 shell_typedirectional
溶剂电子密度 solvent_density0.3340 e/ų
壳层衬度 contrast_shell0.0300 e/ų
CRYSOL 版本 crysol_version4.1.3

3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax103.6
Rg (实空间) rg_real29.14
Rg 误差 (实空间) rg_real_error0.83
I(0) (实空间) i0_real1.2570e+08
I(0) 误差 (实空间) i0_real_error1.8300e+06
Rg (倒空间) rg_reciprocal29.14
I(0) (倒空间) i0_reciprocal125700000.0000
解质量估计 total_estimate0.6431
解质量评级 solution_quality REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary34.5
偏度 Skewness skewness0.424
峰度 Kurtosis kurtosis0.036
角度范围 angular_range— – 0.2700 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha20640000.0000
实空间数据点数 n_real_points55
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.701; Stabil: 1.000; Sysdev: 0.092; Positv: 1.000; Valcen: 0.994; Smooth: 0.983

4. 晶体学与实验 4. Crystallography & Experiment

5. 实体与聚合体信息 (6)

6. 折叠分类 (SCOP + CATH) 7 domains

SCOP 2.08 (3 domains)

结构域编号 domain_idd1sc7a1
类 Class classa — All alpha proteins
折叠类型 Fold folda.2 — Long alpha-hairpin
超家族 Superfamily superfamilya.2.8 — Eukaryotic DNA topoisomerase I, dispensable insert domain
家族 Family familya.2.8.1 — Eukaryotic DNA topoisomerase I, dispensable insert domain
结构域编号 domain_idd1sc7a2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.163 — DNA breaking-rejoining enzymes
超家族 Superfamily superfamilyd.163.1 — DNA breaking-rejoining enzymes
家族 Family familyd.163.1.2 — Eukaryotic DNA topoisomerase I, catalytic core
结构域编号 domain_idd1sc7a3
类 Class classe — Multi-domain proteins (alpha and beta)
折叠类型 Fold folde.15 — Eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment
超家族 Superfamily superfamilye.15.1 — Eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment
家族 Family familye.15.1.1 — Eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment

CATH v4.4 (4 domains)

结构域编号 domain_id1sc7A01
类 Class class2 — Mainly Beta
架构 Architecture architecture170 — Beta Complex
拓扑 Topology topology11 — DNA Topoisomerase I; domain 2
同源超家族 H-superfamily homologous superfamily10 — DNA Topoisomerase I, domain 2
结构域编号 domain_id1sc7A02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology10 — Arc Repressor Mutant, subunit A
同源超家族 H-superfamily homologous superfamily41 — Yeast DNA topoisomerase - domain 1
结构域编号 domain_id1sc7A03
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology15 — Topoisomerase I; Chain A, domain 3
同源超家族 H-superfamily homologous superfamily10 — Topoisomerase I; Chain A, domain 3
结构域编号 domain_id1sc7A04
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology132 — Topoisomerase I; Chain A, domain 4
同源超家族 H-superfamily homologous superfamily10

7. 引用文献 (1)

8. 文件与曲线 (10)