1xpy
;Structural Basis for Catalytic Racemization and Substrate Specificity of an N-Acylamino Acid Racemase Homologue from Deinococcus radiodurans ;
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 | 1xpy |
| 沉积日期 deposition_date | 2004-10-10 |
| 结构标题 title | ;Structural Basis for Catalytic Racemization and Substrate Specificity of an N-Acylamino Acid Racemase Homologue from Deinococcus radiodurans ; |
| 关键词 keywords | RACEMASE, 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 | 44.41 Å |
| 回转半径 Rg (电子) rg_electron | 44.67 Å |
| 零角强度 I(0) i0 | 390735000.00 |
| 分子量 molecular_weight | 160020.0 kDa |
| 排除体积 excluded_volume | 199480 ų |
| 包络体积 envelope_volume | 261290 ų |
| 水化壳体积 shell_volume | 51096 ų |
| 包络直径 envelope_diameter | 158.8 Å |
| 壳层 Rg shell_rg | 46.76 Å |
| 包络 Rg envelope_rg | 43.89 Å |
| 形状 Rg shape_rg | 44.69 Å |
| 总 Rg total_rg | 44.68 Å |
| 总原子数 total_atoms | 11266 |
| 残基数 n_residues | 1460 |
| 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 | 150.9 Å |
| Rg (实空间) rg_real | 44.86 Å |
| Rg 误差 (实空间) rg_real_error | 1.55 Å |
| I(0) (实空间) i0_real | 3.9070e+08 |
| I(0) 误差 (实空间) i0_real_error | 7.3380e+06 |
| Rg (倒空间) rg_reciprocal | 44.41 Å |
| I(0) (倒空间) i0_reciprocal | 390500000.0000 |
| 解质量估计 total_estimate | 0.7918 |
| 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 | 37.7 Å |
| 偏度 Skewness skewness | 0.506 |
| 峰度 Kurtosis kurtosis | -0.483 |
| 角度范围 angular_range | — – 0.1800 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 38180000.0000 |
| 实空间数据点数 n_real_points | 37 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.700; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.703; Smooth: 0.486 |
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) 16 domains
SCOP 2.08 (8 domains)
| 结构域编号 domain_id | d1xpya1 |
| 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.1.11 — Enolase C-terminal domain-like |
| 家族 Family family | c.1.11.2 — D-glucarate dehydratase-like |
| 结构域编号 domain_id | d1xpya2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.54 — Enolase N-terminal domain-like |
| 超家族 Superfamily superfamily | d.54.1 — Enolase N-terminal domain-like |
| 家族 Family family | d.54.1.1 — Enolase N-terminal domain-like |
| 结构域编号 domain_id | d1xpyb1 |
| 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.1.11 — Enolase C-terminal domain-like |
| 家族 Family family | c.1.11.2 — D-glucarate dehydratase-like |
| 结构域编号 domain_id | d1xpyb2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.54 — Enolase N-terminal domain-like |
| 超家族 Superfamily superfamily | d.54.1 — Enolase N-terminal domain-like |
| 家族 Family family | d.54.1.1 — Enolase N-terminal domain-like |
| 结构域编号 domain_id | d1xpyc1 |
| 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.1.11 — Enolase C-terminal domain-like |
| 家族 Family family | c.1.11.2 — D-glucarate dehydratase-like |
| 结构域编号 domain_id | d1xpyc2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.54 — Enolase N-terminal domain-like |
| 超家族 Superfamily superfamily | d.54.1 — Enolase N-terminal domain-like |
| 家族 Family family | d.54.1.1 — Enolase N-terminal domain-like |
| 结构域编号 domain_id | d1xpyd1 |
| 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.1.11 — Enolase C-terminal domain-like |
| 家族 Family family | c.1.11.2 — D-glucarate dehydratase-like |
| 结构域编号 domain_id | d1xpyd2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.54 — Enolase N-terminal domain-like |
| 超家族 Superfamily superfamily | d.54.1 — Enolase N-terminal domain-like |
| 家族 Family family | d.54.1.1 — Enolase N-terminal domain-like |
CATH v4.4 (8 domains)
| 结构域编号 domain_id | 1xpyA01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 390 — Enolase-like; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Enolase-like, N-terminal domain |
| 结构域编号 domain_id | 1xpyA02 |
| 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 | 120 — Enolase-like C-terminal domain |
| 结构域编号 domain_id | 1xpyB01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 390 — Enolase-like; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Enolase-like, N-terminal domain |
| 结构域编号 domain_id | 1xpyB02 |
| 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 | 120 — Enolase-like C-terminal domain |
| 结构域编号 domain_id | 1xpyC01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 390 — Enolase-like; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Enolase-like, N-terminal domain |
| 结构域编号 domain_id | 1xpyC02 |
| 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 | 120 — Enolase-like C-terminal domain |
| 结构域编号 domain_id | 1xpyD01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 390 — Enolase-like; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Enolase-like, N-terminal domain |
| 结构域编号 domain_id | 1xpyD02 |
| 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 | 120 — Enolase-like C-terminal domain |