1pxv
The staphostatin-staphopain complex: a forward binding inhibitor in complex with its target cysteine protease
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 | 1pxv |
| 沉积日期 deposition_date | 2003-07-07 |
| 结构标题 title | The staphostatin-staphopain complex: a forward binding inhibitor in complex with its target cysteine protease |
| 关键词 keywords | cysteine protease inhibitor, 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 | 28.93 Å |
| 回转半径 Rg (电子) rg_electron | 28.46 Å |
| 零角强度 I(0) i0 | 83482800.00 |
| 分子量 molecular_weight | 68707.0 kDa |
| 排除体积 excluded_volume | 84445 ų |
| 包络体积 envelope_volume | 105680 ų |
| 水化壳体积 shell_volume | 31961 ų |
| 包络直径 envelope_diameter | 104.5 Å |
| 壳层 Rg shell_rg | 34.74 Å |
| 包络 Rg envelope_rg | 28.46 Å |
| 形状 Rg shape_rg | 28.44 Å |
| 总 Rg total_rg | 29.09 Å |
| 总原子数 total_atoms | 4845 |
| 残基数 n_residues | 588 |
| 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 | 99.1 Å |
| Rg (实空间) rg_real | 29.00 Å |
| Rg 误差 (实空间) rg_real_error | 0.84 Å |
| I(0) (实空间) i0_real | 8.3480e+07 |
| I(0) 误差 (实空间) i0_real_error | 1.2060e+06 |
| Rg (倒空间) rg_reciprocal | 28.97 Å |
| I(0) (倒空间) i0_reciprocal | 83480000.0000 |
| 解质量估计 total_estimate | 0.8663 |
| 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 | 28.8 Å |
| 偏度 Skewness skewness | 0.436 |
| 峰度 Kurtosis kurtosis | -0.315 |
| 角度范围 angular_range | — – 0.2750 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 24110000.0000 |
| 实空间数据点数 n_real_points | 56 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.796; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.892; Smooth: 0.977 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (5)
6. 折叠分类 (SCOP + CATH) 12 domains
SCOP 2.08 (8 domains)
| 结构域编号 domain_id | d1pxva1 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.3 — Cysteine proteinases |
| 超家族 Superfamily superfamily | d.3.1 — Cysteine proteinases |
| 家族 Family family | d.3.1.1 — Papain-like |
| 结构域编号 domain_id | d1pxva2 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d1pxvb1 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.3 — Cysteine proteinases |
| 超家族 Superfamily superfamily | d.3.1 — Cysteine proteinases |
| 家族 Family family | d.3.1.1 — Papain-like |
| 结构域编号 domain_id | d1pxvb2 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d1pxvc1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.61 — Streptavidin-like |
| 超家族 Superfamily superfamily | b.61.2 — beta-Barrel protease inhibitors |
| 家族 Family family | b.61.2.2 — Staphostatin |
| 结构域编号 domain_id | d1pxvc2 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d1pxvd1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.61 — Streptavidin-like |
| 超家族 Superfamily superfamily | b.61.2 — beta-Barrel protease inhibitors |
| 家族 Family family | b.61.2.2 — Staphostatin |
| 结构域编号 domain_id | d1pxvd2 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
CATH v4.4 (4 domains)
| 结构域编号 domain_id | 1pxvA00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 70 — Cathepsin B; Chain A |
| 同源超家族 H-superfamily homologous superfamily | 10 — Cysteine proteinases |
| 结构域编号 domain_id | 1pxvB00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 70 — Cathepsin B; Chain A |
| 同源超家族 H-superfamily homologous superfamily | 10 — Cysteine proteinases |
| 结构域编号 domain_id | 1pxvC00 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 40 — Beta Barrel |
| 拓扑 Topology topology | 310 — Staphostatins |
| 同源超家族 H-superfamily homologous superfamily | 10 — beta-Barrel protease inhibitors |
| 结构域编号 domain_id | 1pxvD00 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 40 — Beta Barrel |
| 拓扑 Topology topology | 310 — Staphostatins |
| 同源超家族 H-superfamily homologous superfamily | 10 — beta-Barrel protease inhibitors |