1g9d
CRYSTAL STRUCTURE OF CLOSTRIDIUM BOTULINUM NEUROTOXIN B COMPLEXED WITH AN INHIBITOR (EXPERIMENT 2)
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 | 1g9d |
| 沉积日期 deposition_date | 2000-11-22 |
| 结构标题 title | CRYSTAL STRUCTURE OF CLOSTRIDIUM BOTULINUM NEUROTOXIN B COMPLEXED WITH AN INHIBITOR (EXPERIMENT 2) |
| 关键词 keywords | botulinum, neurotoxin, inhibitor, complex, HYDROLASE; HYDROLASE |
| 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 | 40.56 Å |
| 回转半径 Rg (电子) rg_electron | 40.47 Å |
| 零角强度 I(0) i0 | 316774000.00 |
| 分子量 molecular_weight | 150600.0 kDa |
| 排除体积 excluded_volume | 190360 ų |
| 包络体积 envelope_volume | 244330 ų |
| 水化壳体积 shell_volume | 51609 ų |
| 包络直径 envelope_diameter | 153.1 Å |
| 壳层 Rg shell_rg | 44.38 Å |
| 包络 Rg envelope_rg | 40.57 Å |
| 形状 Rg shape_rg | 40.49 Å |
| 总 Rg total_rg | 40.64 Å |
| 总原子数 total_atoms | 10638 |
| 残基数 n_residues | 1287 |
| 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 | 142.3 Å |
| Rg (实空间) rg_real | 40.72 Å |
| Rg 误差 (实空间) rg_real_error | 1.52 Å |
| I(0) (实空间) i0_real | 3.1680e+08 |
| I(0) 误差 (实空间) i0_real_error | 5.9180e+06 |
| Rg (倒空间) rg_reciprocal | 40.56 Å |
| I(0) (倒空间) i0_reciprocal | 316700000.0000 |
| 解质量估计 total_estimate | 0.8540 |
| 解质量评级 solution_quality | GOOD a GOOD solution |
| P(r) 峰数 n_peaks | 2 |
| 主峰位置 r_peak_primary | 40.1 Å |
| 偏度 Skewness skewness | 0.454 |
| 峰度 Kurtosis kurtosis | -0.291 |
| 角度范围 angular_range | — – 0.1950 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 51420000.0000 |
| 实空间数据点数 n_real_points | 40 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.800; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.836; Smooth: 0.862 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (4)
6. 折叠分类 (SCOP + CATH) 8 domains
SCOP 2.08 (4 domains)
| 结构域编号 domain_id | d1g9da1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.29 — Concanavalin A-like lectins/glucanases |
| 超家族 Superfamily superfamily | b.29.1 — Concanavalin A-like lectins/glucanases |
| 家族 Family family | b.29.1.6 — Clostridium neurotoxins, the second last domain |
| 结构域编号 domain_id | d1g9da2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.42 — beta-Trefoil |
| 超家族 Superfamily superfamily | b.42.4 — STI-like |
| 家族 Family family | b.42.4.2 — Clostridium neurotoxins, C-terminal domain |
| 结构域编号 domain_id | d1g9da3 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.92 — Zincin-like |
| 超家族 Superfamily superfamily | d.92.1 — Metalloproteases ('zincins'), catalytic domain |
| 家族 Family family | d.92.1.7 — Clostridium neurotoxins, catalytic domain |
| 结构域编号 domain_id | d1g9da4 |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.4 — Antiparallel coiled-coil |
| 超家族 Superfamily superfamily | h.4.2 — Clostridium neurotoxins, 'coiled-coil' domain |
| 家族 Family family | h.4.2.1 — Clostridium neurotoxins, 'coiled-coil' domain |
CATH v4.4 (4 domains)
| 结构域编号 domain_id | 1g9dA01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 1240 — Zincin-like |
| 同源超家族 H-superfamily homologous superfamily | 10 — Metalloproteases ("zincins"), catalytic domain like |
| 结构域编号 domain_id | 1g9dA02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 1120 — Clostridium botulinum neurotoxin B, "coiled-coil" domain |
| 同源超家族 H-superfamily homologous superfamily | 10 — Clostridium botulinum neurotoxin b, "coiled-coil" domain |
| 结构域编号 domain_id | 1g9dA03 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 120 — Jelly Rolls |
| 同源超家族 H-superfamily homologous superfamily | 200 — |
| 结构域编号 domain_id | 1g9dA04 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 80 — Trefoil |
| 拓扑 Topology topology | 10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A) |
| 同源超家族 H-superfamily homologous superfamily | 50 — |