2fmo
Ala177Val mutant of E. coli Methylenetetrahydrofolate Reductase
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 | 2fmo |
| 沉积日期 deposition_date | 2006-01-09 |
| 结构标题 title | Ala177Val mutant of E. coli Methylenetetrahydrofolate Reductase |
| 关键词 keywords | OXIDOREDUCTASE, TIM BARREL, FLAVIN, REDUCTASE; OXIDOREDUCTASE |
| 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 | 34.92 Å |
| 回转半径 Rg (电子) rg_electron | 34.24 Å |
| 零角强度 I(0) i0 | 129138000.00 |
| 分子量 molecular_weight | 89699.0 kDa |
| 排除体积 excluded_volume | 111480 ų |
| 包络体积 envelope_volume | 141410 ų |
| 水化壳体积 shell_volume | 35559 ų |
| 包络直径 envelope_diameter | 119.1 Å |
| 壳层 Rg shell_rg | 39.55 Å |
| 包络 Rg envelope_rg | 33.85 Å |
| 形状 Rg shape_rg | 34.26 Å |
| 总 Rg total_rg | 34.57 Å |
| 总原子数 total_atoms | 6304 |
| 残基数 n_residues | 802 |
| 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 | 114.3 Å |
| Rg (实空间) rg_real | 35.00 Å |
| Rg 误差 (实空间) rg_real_error | 1.08 Å |
| I(0) (实空间) i0_real | 1.2910e+08 |
| I(0) 误差 (实空间) i0_real_error | 2.2200e+06 |
| Rg (倒空间) rg_reciprocal | 34.95 Å |
| I(0) (倒空间) i0_reciprocal | 129100000.0000 |
| 解质量估计 total_estimate | 0.8744 |
| 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 | 30.5 Å |
| 偏度 Skewness skewness | 0.285 |
| 峰度 Kurtosis kurtosis | -0.672 |
| 角度范围 angular_range | — – 0.2250 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 28930000.0000 |
| 实空间数据点数 n_real_points | 46 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.865; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.911; Smooth: 0.857 |
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) 6 domains
SCOP 2.08 (3 domains)
| 结构域编号 domain_id | d2fmoa_ |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.1 — TIM beta/alpha-barrel |
| 超家族 Superfamily superfamily | c.1.23 — FAD-linked oxidoreductase |
| 家族 Family family | c.1.23.1 — Methylenetetrahydrofolate reductase |
| 结构域编号 domain_id | d2fmob_ |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.1 — TIM beta/alpha-barrel |
| 超家族 Superfamily superfamily | c.1.23 — FAD-linked oxidoreductase |
| 家族 Family family | c.1.23.1 — Methylenetetrahydrofolate reductase |
| 结构域编号 domain_id | d2fmoc_ |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.1 — TIM beta/alpha-barrel |
| 超家族 Superfamily superfamily | c.1.23 — FAD-linked oxidoreductase |
| 家族 Family family | c.1.23.1 — Methylenetetrahydrofolate reductase |
CATH v4.4 (3 domains)
| 结构域编号 domain_id | 2fmoA00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 20 — TIM Barrel |
| 同源超家族 H-superfamily homologous superfamily | 220 — |
| 结构域编号 domain_id | 2fmoB00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 20 — TIM Barrel |
| 同源超家族 H-superfamily homologous superfamily | 220 — |
| 结构域编号 domain_id | 2fmoC00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 20 — TIM Barrel |
| 同源超家族 H-superfamily homologous superfamily | 220 — |