9k4q
Crystal structure of designed zinc-induced homodimer C2-Zn1-HEHE-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 | 9k4q |
| 沉积日期 deposition_date | 2024-10-21 |
| 最后修订 last_revision | 2025-10-22 |
| 结构标题 title | Crystal structure of designed zinc-induced homodimer C2-Zn1-HEHE-2 |
| 关键词 keywords | Dimer, Zinc-binding protein, METAL BINDING PROTEIN; METAL BINDING PROTEIN |
| 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 | 17.66 Å |
| 回转半径 Rg (电子) rg_electron | 16.68 Å |
| 零角强度 I(0) i0 | 7422260.00 |
| 分子量 molecular_weight | 20819.0 kDa |
| 排除体积 excluded_volume | 26523 ų |
| 包络体积 envelope_volume | 30272 ų |
| 水化壳体积 shell_volume | 15457 ų |
| 包络直径 envelope_diameter | 56.2 Å |
| 壳层 Rg shell_rg | 22.39 Å |
| 包络 Rg envelope_rg | 16.92 Å |
| 形状 Rg shape_rg | 16.67 Å |
| 总 Rg total_rg | 17.73 Å |
| 总原子数 total_atoms | 1461 |
| 残基数 n_residues | 178 |
| 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 | 57.2 Å |
| Rg (实空间) rg_real | 17.60 Å |
| Rg 误差 (实空间) rg_real_error | 0.39 Å |
| I(0) (实空间) i0_real | 7.4220e+06 |
| I(0) 误差 (实空间) i0_real_error | 1.0210e+05 |
| Rg (倒空间) rg_reciprocal | 17.61 Å |
| I(0) (倒空间) i0_reciprocal | 7422000.0000 |
| 解质量估计 total_estimate | 0.7919 |
| 解质量评级 solution_quality | GOOD a GOOD solution |
| P(r) 峰数 n_peaks | 3 |
| 主峰位置 r_peak_primary | 21.4 Å |
| 偏度 Skewness skewness | 0.273 |
| 峰度 Kurtosis kurtosis | -0.379 |
| 角度范围 angular_range | — – 0.4500 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 3277000.0000 |
| 实空间数据点数 n_real_points | 76 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.779; Stabil: 0.985; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.000 |