8f1i

SigN RNA polymerase early-melted intermediate bound to mismatch fragment dhsU36mm1 (-12T)

Method: ELECTRON MICROSCOPY Dmax: 173.5 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 8f1i

P(r) 距离分布 P(r) Distribution

P(r) distribution for 8f1i
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id8f1i
沉积日期 deposition_date2022-11-05
结构标题 titleSigN RNA polymerase early-melted intermediate bound to mismatch fragment dhsU36mm1 (-12T)
关键词 keywordspromoter-bound, initiation, DNA melting, transcription bubble nucleation, TRANSCRIPTION, TRANSCRIPTION-DNA complex; TRANSCRIPTION/DNA
实验方法 methodELECTRON MICROSCOPY

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

回转半径 Rg (Guinier) rg_guinier53.38
回转半径 Rg (电子) rg_electron52.09
零角强度 I(0) i03010440000.00
分子量 molecular_weight438230.0 kDa
排除体积 excluded_volume540540 ų
包络体积 envelope_volume824880 ų
水化壳体积 shell_volume126360 ų
包络直径 envelope_diameter187.3
壳层 Rg shell_rg59.57
包络 Rg envelope_rg51.51
形状 Rg shape_rg52.05
总 Rg total_rg52.44
总原子数 total_atoms30662
残基数 n_residues3769
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 dmax173.5
Rg (实空间) rg_real53.18
Rg 误差 (实空间) rg_real_error1.20
I(0) (实空间) i0_real3.0100e+09
I(0) 误差 (实空间) i0_real_error5.7050e+07
Rg (倒空间) rg_reciprocal53.53
I(0) (倒空间) i0_reciprocal3012000000.0000
解质量估计 total_estimate0.8696
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary65.8
偏度 Skewness skewness0.230
峰度 Kurtosis kurtosis-0.294
角度范围 angular_range— – 0.1450 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha345100000.0000
实空间数据点数 n_real_points30
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.847; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.954; Smooth: 0.806

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

5. 实体与聚合体信息 (10)

6. 折叠分类 (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

结构域编号 domain_id8f1iG01
类 Class class2 — Mainly Beta
架构 Architecture architecture170 — Beta Complex
拓扑 Topology topology120 — RNA Polymerase Alpha Subunit; Chain A, domain 2
同源超家族 H-superfamily homologous superfamily12 — DNA-directed RNA polymerase, insert domain
结构域编号 domain_id8f1iH01
类 Class class2 — Mainly Beta
架构 Architecture architecture170 — Beta Complex
拓扑 Topology topology120 — RNA Polymerase Alpha Subunit; Chain A, domain 2
同源超家族 H-superfamily homologous superfamily12 — DNA-directed RNA polymerase, insert domain
结构域编号 domain_id8f1iI01
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily150 — RNA polymerase II, Rpb2 subunit, wall domain
结构域编号 domain_id8f1iJ01
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 superfamily30 — RNA polymerase Rpb1 funnel domain

7. 引用文献 (1)

8. 文件与曲线 (10)