1tub
TUBULIN ALPHA-BETA DIMER, ELECTRON DIFFRACTION
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 | 1tub |
| 沉积日期 deposition_date | 1997-09-23 |
| 结构标题 title | TUBULIN ALPHA-BETA DIMER, ELECTRON DIFFRACTION |
| 关键词 keywords | MICROTUBULES, ALPHA-TUBULIN, BETA-TUBULIN, GTPASE; MICROTUBULES |
| 实验方法 method | ELECTRON CRYSTALLOGRAPHY |
2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)
| 回转半径 Rg (Guinier) rg_guinier | 29.21 Å |
| 回转半径 Rg (电子) rg_electron | 28.55 Å |
| 零角强度 I(0) i0 | 160620000.00 |
| 分子量 molecular_weight | 98418.0 kDa |
| 排除体积 excluded_volume | 121910 ų |
| 包络体积 envelope_volume | 137760 ų |
| 水化壳体积 shell_volume | 39433 ų |
| 包络直径 envelope_diameter | 104.0 Å |
| 壳层 Rg shell_rg | 36.54 Å |
| 包络 Rg envelope_rg | 28.95 Å |
| 形状 Rg shape_rg | 28.56 Å |
| 总 Rg total_rg | 29.18 Å |
| 总原子数 total_atoms | 6907 |
| 残基数 n_residues | 867 |
| 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 | 97.9 Å |
| Rg (实空间) rg_real | 29.21 Å |
| Rg 误差 (实空间) rg_real_error | 0.50 Å |
| I(0) (实空间) i0_real | 1.6060e+08 |
| I(0) 误差 (实空间) i0_real_error | 2.1110e+06 |
| Rg (倒空间) rg_reciprocal | 29.22 Å |
| I(0) (倒空间) i0_reciprocal | 160600000.0000 |
| 解质量估计 total_estimate | 0.6975 |
| 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 | 32.6 Å |
| 偏度 Skewness skewness | 0.393 |
| 峰度 Kurtosis kurtosis | -0.305 |
| 角度范围 angular_range | — – 0.2700 Å−1 |
| 当前正则化参数 α current_alpha | 0.0001 |
| 最高正则化参数 α highest_alpha | 45070000.0000 |
| 实空间数据点数 n_real_points | 55 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.814; Stabil: 1.000; Sysdev: 0.218; Positv: 1.000; Valcen: 0.997; Smooth: 0.971 |
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) 10 domains
SCOP 2.08 (4 domains)
| 结构域编号 domain_id | d1tuba1 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.32 — Tubulin nucleotide-binding domain-like |
| 超家族 Superfamily superfamily | c.32.1 — Tubulin nucleotide-binding domain-like |
| 家族 Family family | c.32.1.1 — Tubulin, GTPase domain |
| 结构域编号 domain_id | d1tuba2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.79 — Bacillus chorismate mutase-like |
| 超家族 Superfamily superfamily | d.79.2 — Tubulin C-terminal domain-like |
| 家族 Family family | d.79.2.1 — Tubulin, C-terminal domain |
| 结构域编号 domain_id | d1tubb1 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.32 — Tubulin nucleotide-binding domain-like |
| 超家族 Superfamily superfamily | c.32.1 — Tubulin nucleotide-binding domain-like |
| 家族 Family family | c.32.1.1 — Tubulin, GTPase domain |
| 结构域编号 domain_id | d1tubb2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.79 — Bacillus chorismate mutase-like |
| 超家族 Superfamily superfamily | d.79.2 — Tubulin C-terminal domain-like |
| 家族 Family family | d.79.2.1 — Tubulin, C-terminal domain |
CATH v4.4 (6 domains)
| 结构域编号 domain_id | 1tubA01 |
| 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 | 1440 — Tubulin/FtsZ, GTPase domain |
| 结构域编号 domain_id | 1tubA02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 1330 — 60s Ribosomal Protein L30; Chain: A; |
| 同源超家族 H-superfamily homologous superfamily | 20 — Tubulin/FtsZ, C-terminal domain |
| 结构域编号 domain_id | 1tubA03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 287 — Helix Hairpins |
| 同源超家族 H-superfamily homologous superfamily | 600 — Helix hairpin bin |
| 结构域编号 domain_id | 1tubB01 |
| 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 | 1440 — Tubulin/FtsZ, GTPase domain |
| 结构域编号 domain_id | 1tubB02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 1330 — 60s Ribosomal Protein L30; Chain: A; |
| 同源超家族 H-superfamily homologous superfamily | 20 — Tubulin/FtsZ, C-terminal domain |
| 结构域编号 domain_id | 1tubB03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 287 — Helix Hairpins |
| 同源超家族 H-superfamily homologous superfamily | 600 — Helix hairpin bin |