1qvu
Crystal structure of the multidrug binding transcriptional repressor QacR bound to two drugs: ethidium and proflavine
SAXS 散射曲线 SAXS Profile
P(r) 距离分布 P(r) Distribution
1. 结构基本信息 1. Structure Basics
| 条目编号 entry_id | 1qvu |
| 沉积日期 deposition_date | 2003-08-28 |
| 结构标题 title | Crystal structure of the multidrug binding transcriptional repressor QacR bound to two drugs: ethidium and proflavine |
| 关键词 keywords | QacR, multidrug binding protein, transcription, repressor, cooperative DNA binding; TRANSCRIPTION |
| 实验方法 method | X-RAY DIFFRACTION |
2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)
| 回转半径 Rg (Guinier) rg_guinier | 35.38 Å |
| 回转半径 Rg (电子) rg_electron | 34.99 Å |
| 零角强度 I(0) i0 | 109741000.00 |
| 分子量 molecular_weight | 87923.0 kDa |
| 排除体积 excluded_volume | 111550 ų |
| 包络体积 envelope_volume | 141410 ų |
| 水化壳体积 shell_volume | 34668 ų |
| 包络直径 envelope_diameter | 116.1 Å |
| 壳层 Rg shell_rg | 40.26 Å |
| 包络 Rg envelope_rg | 34.46 Å |
| 形状 Rg shape_rg | 34.96 Å |
| 总 Rg total_rg | 35.47 Å |
| 总原子数 total_atoms | 6228 |
| 残基数 n_residues | 744 |
| 球谐函数阶数 n_harmonics | 20 |
| q 范围 q_range | — – 0.5000 Å−1 |
| 数据点数 n_points | 101 |
| 壳层类型 shell_type | directional |
| 溶剂电子密度 solvent_density | 0.3340 e/ų |
| 壳层衬度 contrast_shell | 0.0300 e/ų |
| CRYSOL 版本 crysol_version | 4.1.3 |
3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)
| 最大尺寸 Dmax dmax | 115.8 Å |
| Rg (实空间) rg_real | 35.54 Å |
| Rg 误差 (实空间) rg_real_error | 1.29 Å |
| I(0) (实空间) i0_real | 1.0970e+08 |
| I(0) 误差 (实空间) i0_real_error | 1.9690e+06 |
| Rg (倒空间) rg_reciprocal | 35.44 Å |
| I(0) (倒空间) i0_reciprocal | 109700000.0000 |
| 解质量估计 total_estimate | 0.8501 |
| 解质量评级 solution_quality | GOOD a GOOD solution |
| P(r) 峰数 n_peaks | 1 |
| 主峰位置 r_peak_primary | 30.9 Å |
| 偏度 Skewness skewness | 0.334 |
| 峰度 Kurtosis kurtosis | -0.780 |
| 角度范围 angular_range | — – 0.2250 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 24700000.0000 |
| 实空间数据点数 n_real_points | 46 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.783; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.822; Smooth: 0.878 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (3)
6. 折叠分类 (SCOP + CATH) 16 domains
SCOP 2.08 (8 domains)
| 结构域编号 domain_id | d1qvua1 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.4 — DNA/RNA-binding 3-helical bundle |
| 超家族 Superfamily superfamily | a.4.1 — Homeodomain-like |
| 家族 Family family | a.4.1.9 — Tetracyclin repressor-like, N-terminal domain |
| 结构域编号 domain_id | d1qvua2 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.121 — Tetracyclin repressor-like, C-terminal domain |
| 超家族 Superfamily superfamily | a.121.1 — Tetracyclin repressor-like, C-terminal domain |
| 家族 Family family | a.121.1.1 — Tetracyclin repressor-like, C-terminal domain |
| 结构域编号 domain_id | d1qvub1 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.4 — DNA/RNA-binding 3-helical bundle |
| 超家族 Superfamily superfamily | a.4.1 — Homeodomain-like |
| 家族 Family family | a.4.1.9 — Tetracyclin repressor-like, N-terminal domain |
| 结构域编号 domain_id | d1qvub2 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.121 — Tetracyclin repressor-like, C-terminal domain |
| 超家族 Superfamily superfamily | a.121.1 — Tetracyclin repressor-like, C-terminal domain |
| 家族 Family family | a.121.1.1 — Tetracyclin repressor-like, C-terminal domain |
| 结构域编号 domain_id | d1qvud1 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.4 — DNA/RNA-binding 3-helical bundle |
| 超家族 Superfamily superfamily | a.4.1 — Homeodomain-like |
| 家族 Family family | a.4.1.9 — Tetracyclin repressor-like, N-terminal domain |
| 结构域编号 domain_id | d1qvud2 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.121 — Tetracyclin repressor-like, C-terminal domain |
| 超家族 Superfamily superfamily | a.121.1 — Tetracyclin repressor-like, C-terminal domain |
| 家族 Family family | a.121.1.1 — Tetracyclin repressor-like, C-terminal domain |
| 结构域编号 domain_id | d1qvue1 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.4 — DNA/RNA-binding 3-helical bundle |
| 超家族 Superfamily superfamily | a.4.1 — Homeodomain-like |
| 家族 Family family | a.4.1.9 — Tetracyclin repressor-like, N-terminal domain |
| 结构域编号 domain_id | d1qvue2 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.121 — Tetracyclin repressor-like, C-terminal domain |
| 超家族 Superfamily superfamily | a.121.1 — Tetracyclin repressor-like, C-terminal domain |
| 家族 Family family | a.121.1.1 — Tetracyclin repressor-like, C-terminal domain |
CATH v4.4 (8 domains)
| 结构域编号 domain_id | 1qvuA01 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 10 — Arc Repressor Mutant, subunit A |
| 同源超家族 H-superfamily homologous superfamily | 60 — Homeodomain-like |
| 结构域编号 domain_id | 1qvuA02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 357 — Tetracycline Repressor; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Tetracycline Repressor, domain 2 |
| 结构域编号 domain_id | 1qvuB01 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 10 — Arc Repressor Mutant, subunit A |
| 同源超家族 H-superfamily homologous superfamily | 60 — Homeodomain-like |
| 结构域编号 domain_id | 1qvuB02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 357 — Tetracycline Repressor; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Tetracycline Repressor, domain 2 |
| 结构域编号 domain_id | 1qvuD01 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 10 — Arc Repressor Mutant, subunit A |
| 同源超家族 H-superfamily homologous superfamily | 60 — Homeodomain-like |
| 结构域编号 domain_id | 1qvuD02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 357 — Tetracycline Repressor; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Tetracycline Repressor, domain 2 |
| 结构域编号 domain_id | 1qvuE01 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 10 — Arc Repressor Mutant, subunit A |
| 同源超家族 H-superfamily homologous superfamily | 60 — Homeodomain-like |
| 结构域编号 domain_id | 1qvuE02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 357 — Tetracycline Repressor; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Tetracycline Repressor, domain 2 |