2fm8
Crystal Structure of the Salmonella Secretion Chaperone InvB in Complex with SipA
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 | 2fm8 |
| 沉积日期 deposition_date | 2006-01-08 |
| 结构标题 title | Crystal Structure of the Salmonella Secretion Chaperone InvB in Complex with SipA |
| 关键词 keywords | type III secretion, chaperone, translocation, protein folding, virulence, Salmonella, bacterial, CHAPERONE-CELL INVASION COMPLEX; CHAPERONE/CELL INVASION |
| 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 | 28.06 Å |
| 回转半径 Rg (电子) rg_electron | 27.24 Å |
| 零角强度 I(0) i0 | 44973500.00 |
| 分子量 molecular_weight | 52679.0 kDa |
| 排除体积 excluded_volume | 66314 ų |
| 包络体积 envelope_volume | 83928 ų |
| 水化壳体积 shell_volume | 26923 ų |
| 包络直径 envelope_diameter | 93.7 Å |
| 壳层 Rg shell_rg | 33.14 Å |
| 包络 Rg envelope_rg | 27.45 Å |
| 形状 Rg shape_rg | 27.24 Å |
| 总 Rg total_rg | 27.90 Å |
| 总原子数 total_atoms | 3693 |
| 残基数 n_residues | 479 |
| 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 | 91.2 Å |
| Rg (实空间) rg_real | 28.17 Å |
| Rg 误差 (实空间) rg_real_error | 0.51 Å |
| I(0) (实空间) i0_real | 4.4970e+07 |
| I(0) 误差 (实空间) i0_real_error | 5.5080e+05 |
| Rg (倒空间) rg_reciprocal | 28.14 Å |
| I(0) (倒空间) i0_reciprocal | 44970000.0000 |
| 解质量估计 total_estimate | 0.6756 |
| 解质量评级 solution_quality | REASONABLE a REASONABLE solution |
| P(r) 峰数 n_peaks | 2 |
| 主峰位置 r_peak_primary | 27.2 Å |
| 偏度 Skewness skewness | 0.391 |
| 峰度 Kurtosis kurtosis | -0.499 |
| 角度范围 angular_range | — – 0.2850 Å−1 |
| 当前正则化参数 α current_alpha | 0.0001 |
| 最高正则化参数 α highest_alpha | 16320000.0000 |
| 实空间数据点数 n_real_points | 58 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.893; Stabil: 1.000; Sysdev: 0.075; Positv: 1.000; Valcen: 0.931; Smooth: 0.942 |
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) 7 domains
SCOP 2.08 (4 domains)
| 结构域编号 domain_id | d2fm8a1 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.198 — Secretion chaperone-like |
| 超家族 Superfamily superfamily | d.198.1 — Type III secretory system chaperone-like |
| 家族 Family family | d.198.1.1 — Type III secretory system chaperone |
| 结构域编号 domain_id | d2fm8b2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.198 — Secretion chaperone-like |
| 超家族 Superfamily superfamily | d.198.1 — Type III secretory system chaperone-like |
| 家族 Family family | d.198.1.0 — automated matches |
| 结构域编号 domain_id | d2fm8b3 |
| 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 | d2fm8c1 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.257 — SipA N-terminal domain-like |
| 超家族 Superfamily superfamily | a.257.1 — SipA N-terminal domain-like |
| 家族 Family family | a.257.1.1 — SipA N-terminal domain-like |
CATH v4.4 (3 domains)
| 结构域编号 domain_id | 2fm8A00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 1460 — Yope Regulator; Chain: A, |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 2fm8B00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 1460 — Yope Regulator; Chain: A, |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 2fm8C01 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 4150 — SipA N-terminal domain-like |
| 同源超家族 H-superfamily homologous superfamily | 10 — SipA N-terminal domain-like |