1vft
Crystal structure of L-cycloserine-bound form of alanine racemase from D-cycloserine-producing Streptomyces lavendulae
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 | 1vft |
| 沉积日期 deposition_date | 2004-04-19 |
| 结构标题 title | Crystal structure of L-cycloserine-bound form of alanine racemase from D-cycloserine-producing Streptomyces lavendulae |
| 关键词 keywords | TIM-barrel, Greek-key motief, ISOMERASE; ISOMERASE |
| 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 | 28.44 Å |
| 回转半径 Rg (电子) rg_electron | 27.56 Å |
| 零角强度 I(0) i0 | 114201000.00 |
| 分子量 molecular_weight | 81385.0 kDa |
| 排除体积 excluded_volume | 100630 ų |
| 包络体积 envelope_volume | 119480 ų |
| 水化壳体积 shell_volume | 35734 ų |
| 包络直径 envelope_diameter | 96.6 Å |
| 壳层 Rg shell_rg | 35.44 Å |
| 包络 Rg envelope_rg | 27.54 Å |
| 形状 Rg shape_rg | 27.56 Å |
| 总 Rg total_rg | 28.27 Å |
| 总原子数 total_atoms | 5732 |
| 残基数 n_residues | 760 |
| 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 | 93.1 Å |
| Rg (实空间) rg_real | 28.42 Å |
| Rg 误差 (实空间) rg_real_error | 0.61 Å |
| I(0) (实空间) i0_real | 1.1420e+08 |
| I(0) 误差 (实空间) i0_real_error | 1.4820e+06 |
| Rg (倒空间) rg_reciprocal | 28.43 Å |
| I(0) (倒空间) i0_reciprocal | 114200000.0000 |
| 解质量估计 total_estimate | 0.7135 |
| 解质量评级 solution_quality | REASONABLE a REASONABLE solution |
| P(r) 峰数 n_peaks | 2 |
| 主峰位置 r_peak_primary | 33.2 Å |
| 偏度 Skewness skewness | 0.359 |
| 峰度 Kurtosis kurtosis | -0.344 |
| 角度范围 angular_range | — – 0.2800 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 46840000.0000 |
| 实空间数据点数 n_real_points | 57 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.870; Stabil: 1.000; Sysdev: 0.242; Positv: 1.000; Valcen: 0.991; Smooth: 0.944 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (4)
6. 折叠分类 (SCOP + CATH) 10 domains
SCOP 2.08 (6 domains)
| 结构域编号 domain_id | d1vfta2 |
| 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.1.6 — PLP-binding barrel |
| 家族 Family family | c.1.6.1 — Alanine racemase-like, N-terminal domain |
| 结构域编号 domain_id | d1vfta3 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.49 — Domain of alpha and beta subunits of F1 ATP synthase-like |
| 超家族 Superfamily superfamily | b.49.2 — Alanine racemase C-terminal domain-like |
| 家族 Family family | b.49.2.2 — Alanine racemase-like, C-terminal domain |
| 结构域编号 domain_id | d1vfta4 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d1vftb1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.49 — Domain of alpha and beta subunits of F1 ATP synthase-like |
| 超家族 Superfamily superfamily | b.49.2 — Alanine racemase C-terminal domain-like |
| 家族 Family family | b.49.2.2 — Alanine racemase-like, C-terminal domain |
| 结构域编号 domain_id | d1vftb2 |
| 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.1.6 — PLP-binding barrel |
| 家族 Family family | c.1.6.1 — Alanine racemase-like, N-terminal domain |
| 结构域编号 domain_id | d1vftb3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
CATH v4.4 (4 domains)
| 结构域编号 domain_id | 1vftA01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 40 — Beta Barrel |
| 拓扑 Topology topology | 37 — Lyase, Ornithine Decarboxylase; Chain A, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Lyase, Ornithine Decarboxylase; Chain A, domain 1 |
| 结构域编号 domain_id | 1vftA02 |
| 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 | 10 — Alanine racemase |
| 结构域编号 domain_id | 1vftB01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 40 — Beta Barrel |
| 拓扑 Topology topology | 37 — Lyase, Ornithine Decarboxylase; Chain A, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Lyase, Ornithine Decarboxylase; Chain A, domain 1 |
| 结构域编号 domain_id | 1vftB02 |
| 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 | 10 — Alanine racemase |