1y8b
Solution NMR-Derived Global Fold of Malate Synthase G from E.coli
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 | 1y8b |
| 沉积日期 deposition_date | 2004-12-10 |
| 结构标题 title | Solution NMR-Derived Global Fold of Malate Synthase G from E.coli |
| 关键词 keywords | NMR Global Fold, Apo-Malate Synthase G, 82 kDa Enzyme, TRANSFERASE; TRANSFERASE |
| 实验方法 method | SOLUTION NMR |
2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)
| 回转半径 Rg (Guinier) rg_guinier | 26.87 Å |
| 回转半径 Rg (电子) rg_electron | 26.39 Å |
| 零角强度 I(0) i0 | 9343700000.00 |
| 分子量 molecular_weight | 804430.0 kDa |
| 排除体积 excluded_volume | 1000700 ų |
| 包络体积 envelope_volume | 184210 ų |
| 水化壳体积 shell_volume | 50005 ų |
| 包络直径 envelope_diameter | 91.4 Å |
| 壳层 Rg shell_rg | 38.59 Å |
| 包络 Rg envelope_rg | 28.73 Å |
| 形状 Rg shape_rg | 26.40 Å |
| 总 Rg total_rg | 26.54 Å |
| 总原子数 total_atoms | 112820 |
| 残基数 n_residues | 7230 |
| 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 | 81.2 Å |
| Rg (实空间) rg_real | 26.68 Å |
| Rg 误差 (实空间) rg_real_error | 0.36 Å |
| I(0) (实空间) i0_real | 9.3440e+09 |
| I(0) 误差 (实空间) i0_real_error | 1.2250e+08 |
| Rg (倒空间) rg_reciprocal | 26.74 Å |
| I(0) (倒空间) i0_reciprocal | 9344000000.0000 |
| 解质量估计 total_estimate | 0.9073 |
| 解质量评级 solution_quality | EXCELLENT a EXCELLENT solution |
| P(r) 峰数 n_peaks | 2 |
| 主峰位置 r_peak_primary | 34.4 Å |
| 偏度 Skewness skewness | 0.111 |
| 峰度 Kurtosis kurtosis | -0.528 |
| 角度范围 angular_range | — – 0.2950 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 37700000.0000 |
| 实空间数据点数 n_real_points | 60 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.937; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.984; Smooth: 0.996 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (1)
6. 折叠分类 (SCOP + CATH) 4 domains
SCOP 2.08 (1 domains)
| 结构域编号 domain_id | d1y8ba_ |
| 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.1.13 — Malate synthase G |
| 家族 Family family | c.1.13.1 — Malate synthase G |
CATH v4.4 (3 domains)
| 结构域编号 domain_id | 1y8bA01 |
| 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 | 360 — Malate synthase, domain 3 |
| 结构域编号 domain_id | 1y8bA02 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 170 — Beta Complex |
| 拓扑 Topology topology | 170 — Malate synthase G - maily-beta sub-domain |
| 同源超家族 H-superfamily homologous superfamily | 11 — Malate synthase G - maily-beta sub-domain |
| 结构域编号 domain_id | 1y8bA03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 1220 — Malate Synthase G; Chain: A; Domain 4 |
| 同源超家族 H-superfamily homologous superfamily | 12 — Malate synthase, domain III |