1rhz
The structure of a protein conducting channel
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 | 1rhz |
| 沉积日期 deposition_date | 2003-11-15 |
| 结构标题 title | The structure of a protein conducting channel |
| 关键词 keywords | Protein translocation, SecY, Membrane Protein, Protein Channels, protein transport; PROTEIN TRANSPORT |
| 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 | 25.27 Å |
| 回转半径 Rg (电子) rg_electron | 24.29 Å |
| 零角强度 I(0) i0 | 43404700.00 |
| 分子量 molecular_weight | 57982.0 kDa |
| 排除体积 excluded_volume | 75785 ų |
| 包络体积 envelope_volume | 94099 ų |
| 水化壳体积 shell_volume | 31539 ų |
| 包络直径 envelope_diameter | 92.1 Å |
| 壳层 Rg shell_rg | 32.18 Å |
| 包络 Rg envelope_rg | 24.66 Å |
| 形状 Rg shape_rg | 24.29 Å |
| 总 Rg total_rg | 25.34 Å |
| 总原子数 total_atoms | 4090 |
| 残基数 n_residues | 529 |
| 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 | 83.9 Å |
| Rg (实空间) rg_real | 25.18 Å |
| Rg 误差 (实空间) rg_real_error | 0.61 Å |
| I(0) (实空间) i0_real | 4.3400e+07 |
| I(0) 误差 (实空间) i0_real_error | 6.5040e+05 |
| Rg (倒空间) rg_reciprocal | 25.21 Å |
| I(0) (倒空间) i0_reciprocal | 43410000.0000 |
| 解质量估计 total_estimate | 0.8735 |
| 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 | 32.0 Å |
| 偏度 Skewness skewness | 0.264 |
| 峰度 Kurtosis kurtosis | -0.225 |
| 角度范围 angular_range | — – 0.3150 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 5210000.0000 |
| 实空间数据点数 n_real_points | 64 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.788; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.986 |
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) 5 domains
SCOP 2.08 (3 domains)
| 结构域编号 domain_id | d1rhza_ |
| 类 Class class | f — Membrane and cell surface proteins and peptides |
| 折叠类型 Fold fold | f.41 — Preprotein translocase SecY subunit |
| 超家族 Superfamily superfamily | f.41.1 — Preprotein translocase SecY subunit |
| 家族 Family family | f.41.1.1 — Preprotein translocase SecY subunit |
| 结构域编号 domain_id | d1rhzb_ |
| 类 Class class | f — Membrane and cell surface proteins and peptides |
| 折叠类型 Fold fold | f.23 — Single transmembrane helix |
| 超家族 Superfamily superfamily | f.23.28 — Preprotein translocase SecE subunit |
| 家族 Family family | f.23.28.1 — Preprotein translocase SecE subunit |
| 结构域编号 domain_id | d1rhzc_ |
| 类 Class class | f — Membrane and cell surface proteins and peptides |
| 折叠类型 Fold fold | f.17 — Transmembrane helix hairpin |
| 超家族 Superfamily superfamily | f.17.6 — Sec-beta or SecG subunit of protein translocation channel |
| 家族 Family family | f.17.6.1 — Sec-beta subunit |
CATH v4.4 (2 domains)
| 结构域编号 domain_id | 1rhzA00 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 3370 — Preprotein translocase SecY subunit |
| 同源超家族 H-superfamily homologous superfamily | 10 — SecY subunit domain |
| 结构域编号 domain_id | 1rhzB00 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces |
| 同源超家族 H-superfamily homologous superfamily | 820 — Preprotein translocase SecE subunit |