1vb5
Crystal Structure Analysis of the Pyrococcus horikoshii OT3 translation initiation factor eIF-2B
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 | 1vb5 |
| 沉积日期 deposition_date | 2004-02-22 |
| 结构标题 title | Crystal Structure Analysis of the Pyrococcus horikoshii OT3 translation initiation factor eIF-2B |
| 关键词 keywords | initiation factor, translation; TRANSLATION |
| 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 | 27.98 Å |
| 回转半径 Rg (电子) rg_electron | 27.50 Å |
| 零角强度 I(0) i0 | 59555000.00 |
| 分子量 molecular_weight | 62388.0 kDa |
| 排除体积 excluded_volume | 79081 ų |
| 包络体积 envelope_volume | 93540 ų |
| 水化壳体积 shell_volume | 29835 ų |
| 包络直径 envelope_diameter | 106.4 Å |
| 壳层 Rg shell_rg | 33.08 Å |
| 包络 Rg envelope_rg | 27.88 Å |
| 形状 Rg shape_rg | 27.48 Å |
| 总 Rg total_rg | 28.13 Å |
| 总原子数 total_atoms | 4386 |
| 残基数 n_residues | 549 |
| 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 | 102.9 Å |
| Rg (实空间) rg_real | 28.22 Å |
| Rg 误差 (实空间) rg_real_error | 0.86 Å |
| I(0) (实空间) i0_real | 5.9550e+07 |
| I(0) 误差 (实空间) i0_real_error | 9.2080e+05 |
| Rg (倒空间) rg_reciprocal | 28.14 Å |
| I(0) (倒空间) i0_reciprocal | 59550000.0000 |
| 解质量估计 total_estimate | 0.8153 |
| 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 | 28.9 Å |
| 偏度 Skewness skewness | 0.606 |
| 峰度 Kurtosis kurtosis | 0.082 |
| 角度范围 angular_range | — – 0.2850 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 20010000.0000 |
| 实空间数据点数 n_real_points | 58 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.620; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.777; Smooth: 0.957 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (2)
6. 折叠分类 (SCOP + CATH) 6 domains
SCOP 2.08 (2 domains)
| 结构域编号 domain_id | d1vb5a_ |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.124 — NagB/RpiA/CoA transferase-like |
| 超家族 Superfamily superfamily | c.124.1 — NagB/RpiA/CoA transferase-like |
| 家族 Family family | c.124.1.5 — IF2B-like |
| 结构域编号 domain_id | d1vb5b_ |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.124 — NagB/RpiA/CoA transferase-like |
| 超家族 Superfamily superfamily | c.124.1 — NagB/RpiA/CoA transferase-like |
| 家族 Family family | c.124.1.5 — IF2B-like |
CATH v4.4 (4 domains)
| 结构域编号 domain_id | 1vb5A01 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 120 — Four Helix Bundle (Hemerythrin (Met), subunit A) |
| 同源超家族 H-superfamily homologous superfamily | 420 — translation initiation factor eif-2b, domain 1 |
| 结构域编号 domain_id | 1vb5A02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 10470 — Translation initiation factor eif-2b; domain 2 |
| 结构域编号 domain_id | 1vb5B01 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 120 — Four Helix Bundle (Hemerythrin (Met), subunit A) |
| 同源超家族 H-superfamily homologous superfamily | 420 — translation initiation factor eif-2b, domain 1 |
| 结构域编号 domain_id | 1vb5B02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 10470 — Translation initiation factor eif-2b; domain 2 |