9l5m
X-ray structure of sarcoplasmic Ca-binding protein (SCP), a calcium ion-binding protein from Pinctada fucata
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 | 9l5m |
| 沉积日期 deposition_date | 2024-12-23 |
| 最后修订 last_revision | 2025-11-05 |
| 结构标题 title | X-ray structure of sarcoplasmic Ca-binding protein (SCP), a calcium ion-binding protein from Pinctada fucata |
| 关键词 keywords | EF-hand, calcium-binding, sarcoplasmic, 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 | 29.73 Å |
| 回转半径 Rg (电子) rg_electron | 29.00 Å |
| 零角强度 I(0) i0 | 61197100.00 |
| 分子量 molecular_weight | 62807.0 kDa |
| 排除体积 excluded_volume | 79050 ų |
| 包络体积 envelope_volume | 100310 ų |
| 水化壳体积 shell_volume | 29710 ų |
| 包络直径 envelope_diameter | 96.5 Å |
| 壳层 Rg shell_rg | 35.27 Å |
| 包络 Rg envelope_rg | 28.66 Å |
| 形状 Rg shape_rg | 28.97 Å |
| 总 Rg total_rg | 29.72 Å |
| 总原子数 total_atoms | 4428 |
| 残基数 n_residues | 540 |
| 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 | 95.9 Å |
| Rg (实空间) rg_real | 29.76 Å |
| Rg 误差 (实空间) rg_real_error | 0.89 Å |
| I(0) (实空间) i0_real | 6.1200e+07 |
| I(0) 误差 (实空间) i0_real_error | 1.0820e+06 |
| Rg (倒空间) rg_reciprocal | 29.75 Å |
| I(0) (倒空间) i0_reciprocal | 61200000.0000 |
| 解质量估计 total_estimate | 0.6700 |
| 解质量评级 solution_quality | REASONABLE a REASONABLE solution |
| P(r) 峰数 n_peaks | 1 |
| 主峰位置 r_peak_primary | 27.1 Å |
| 偏度 Skewness skewness | 0.293 |
| 峰度 Kurtosis kurtosis | -0.582 |
| 角度范围 angular_range | — – 0.2650 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 19880000.0000 |
| 实空间数据点数 n_real_points | 54 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.892; Stabil: 1.000; Sysdev: 0.050; Positv: 1.000; Valcen: 0.957; Smooth: 0.922 |