1mpg
3-METHYLADENINE DNA GLYCOSYLASE II FROM ESCHERICHIA 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 | 1mpg |
| 沉积日期 deposition_date | 1997-10-28 |
| 结构标题 title | 3-METHYLADENINE DNA GLYCOSYLASE II FROM ESCHERICHIA COLI |
| 关键词 keywords | DNA GLYCOSYLASE, DNA REPAIR, BASE EXCISION, METHYLATION, ALKA, HYDROLASE; HYDROLASE |
| 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 | 30.68 Å |
| 回转半径 Rg (电子) rg_electron | 30.40 Å |
| 零角强度 I(0) i0 | 59987700.00 |
| 分子量 molecular_weight | 62621.0 kDa |
| 排除体积 excluded_volume | 79052 ų |
| 包络体积 envelope_volume | 96570 ų |
| 水化壳体积 shell_volume | 28179 ų |
| 包络直径 envelope_diameter | 108.9 Å |
| 壳层 Rg shell_rg | 35.22 Å |
| 包络 Rg envelope_rg | 30.39 Å |
| 形状 Rg shape_rg | 30.39 Å |
| 总 Rg total_rg | 30.87 Å |
| 总原子数 total_atoms | 4418 |
| 残基数 n_residues | 564 |
| 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 | 104.0 Å |
| Rg (实空间) rg_real | 30.95 Å |
| Rg 误差 (实空间) rg_real_error | 0.74 Å |
| I(0) (实空间) i0_real | 5.9990e+07 |
| I(0) 误差 (实空间) i0_real_error | 8.2790e+05 |
| Rg (倒空间) rg_reciprocal | 30.84 Å |
| I(0) (倒空间) i0_reciprocal | 59980000.0000 |
| 解质量估计 total_estimate | 0.8289 |
| 解质量评级 solution_quality | GOOD a GOOD solution |
| P(r) 峰数 n_peaks | 1 |
| 主峰位置 r_peak_primary | 28.0 Å |
| 偏度 Skewness skewness | 0.497 |
| 峰度 Kurtosis kurtosis | -0.488 |
| 角度范围 angular_range | — – 0.2600 Å−1 |
| 当前正则化参数 α current_alpha | 0.0002 |
| 最高正则化参数 α highest_alpha | 18460000.0000 |
| 实空间数据点数 n_real_points | 53 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.723; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.687; Smooth: 0.915 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (3)
6. 折叠分类 (SCOP + CATH) 10 domains
SCOP 2.08 (4 domains)
| 结构域编号 domain_id | d1mpga1 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.96 — DNA-glycosylase |
| 超家族 Superfamily superfamily | a.96.1 — DNA-glycosylase |
| 家族 Family family | a.96.1.3 — DNA repair glycosylase, 2 C-terminal domains |
| 结构域编号 domain_id | d1mpga2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.129 — TBP-like |
| 超家族 Superfamily superfamily | d.129.1 — TATA-box binding protein-like |
| 家族 Family family | d.129.1.2 — DNA repair glycosylase, N-terminal domain |
| 结构域编号 domain_id | d1mpgb1 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.96 — DNA-glycosylase |
| 超家族 Superfamily superfamily | a.96.1 — DNA-glycosylase |
| 家族 Family family | a.96.1.3 — DNA repair glycosylase, 2 C-terminal domains |
| 结构域编号 domain_id | d1mpgb2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.129 — TBP-like |
| 超家族 Superfamily superfamily | d.129.1 — TATA-box binding protein-like |
| 家族 Family family | d.129.1.2 — DNA repair glycosylase, N-terminal domain |
CATH v4.4 (6 domains)
| 结构域编号 domain_id | 1mpgA01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 310 — TATA-Binding Protein |
| 同源超家族 H-superfamily homologous superfamily | 20 — DNA-3-methyladenine glycosylase AlkA, N-terminal domain |
| 结构域编号 domain_id | 1mpgA02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 340 — Endonuclease III; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 30 — Hypothetical protein; domain 2 |
| 结构域编号 domain_id | 1mpgA03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 1670 — Endonuclease Iii, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Helix-hairpin-Helix base-excision DNA repair enzymes (C-terminal) |
| 结构域编号 domain_id | 1mpgB01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 310 — TATA-Binding Protein |
| 同源超家族 H-superfamily homologous superfamily | 20 — DNA-3-methyladenine glycosylase AlkA, N-terminal domain |
| 结构域编号 domain_id | 1mpgB02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 340 — Endonuclease III; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 30 — Hypothetical protein; domain 2 |
| 结构域编号 domain_id | 1mpgB03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 1670 — Endonuclease Iii, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Helix-hairpin-Helix base-excision DNA repair enzymes (C-terminal) |