1k3x
Crystal structure of a trapped reaction intermediate of the DNA repair enzyme Endonuclease VIII with Brominated-DNA
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 | 1k3x |
| 沉积日期 deposition_date | 2001-10-04 |
| 结构标题 title | Crystal structure of a trapped reaction intermediate of the DNA repair enzyme Endonuclease VIII with Brominated-DNA |
| 关键词 keywords | HYDROLASE/DNA, HYDROLASE-DNA complex; HYDROLASE/DNA |
| 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 | 21.06 Å |
| 回转半径 Rg (电子) rg_electron | 20.24 Å |
| 零角强度 I(0) i0 | 28462000.00 |
| 分子量 molecular_weight | 35865.0 kDa |
| 排除体积 excluded_volume | 42654 ų |
| 包络体积 envelope_volume | 50944 ų |
| 水化壳体积 shell_volume | 21186 ų |
| 包络直径 envelope_diameter | 71.5 Å |
| 壳层 Rg shell_rg | 26.29 Å |
| 包络 Rg envelope_rg | 20.37 Å |
| 形状 Rg shape_rg | 20.18 Å |
| 总 Rg total_rg | 21.08 Å |
| 总原子数 total_atoms | 2474 |
| 残基数 n_residues | 268 |
| 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 | 68.2 Å |
| Rg (实空间) rg_real | 20.96 Å |
| Rg 误差 (实空间) rg_real_error | 0.41 Å |
| I(0) (实空间) i0_real | 2.8460e+07 |
| I(0) 误差 (实空间) i0_real_error | 3.6280e+05 |
| Rg (倒空间) rg_reciprocal | 20.98 Å |
| I(0) (倒空间) i0_reciprocal | 28460000.0000 |
| 解质量估计 total_estimate | 0.8173 |
| 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 | 26.1 Å |
| 偏度 Skewness skewness | 0.226 |
| 峰度 Kurtosis kurtosis | -0.368 |
| 角度范围 angular_range | — – 0.3750 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 3161000.0000 |
| 实空间数据点数 n_real_points | 69 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.873; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (7)
6. 折叠分类 (SCOP + CATH) 5 domains
SCOP 2.08 (3 domains)
| 结构域编号 domain_id | d1k3xa1 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.156 — S13-like H2TH domain |
| 超家族 Superfamily superfamily | a.156.1 — S13-like H2TH domain |
| 家族 Family family | a.156.1.2 — Middle domain of MutM-like DNA repair proteins |
| 结构域编号 domain_id | d1k3xa2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.113 — N-terminal domain of MutM-like DNA repair proteins |
| 超家族 Superfamily superfamily | b.113.1 — N-terminal domain of MutM-like DNA repair proteins |
| 家族 Family family | b.113.1.1 — N-terminal domain of MutM-like DNA repair proteins |
| 结构域编号 domain_id | d1k3xa3 |
| 类 Class class | g — Small proteins |
| 折叠类型 Fold fold | g.39 — Glucocorticoid receptor-like (DNA-binding domain) |
| 超家族 Superfamily superfamily | g.39.1 — Glucocorticoid receptor-like (DNA-binding domain) |
| 家族 Family family | g.39.1.8 — C-terminal, Zn-finger domain of MutM-like DNA repair proteins |
CATH v4.4 (2 domains)
| 结构域编号 domain_id | 1k3xA01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 190 — N-terminal domain of MutM-like DNA repair proteins |
| 同源超家族 H-superfamily homologous superfamily | 10 — MutM-like, N-terminal |
| 结构域编号 domain_id | 1k3xA02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 8 — Helicase, Ruva Protein; domain 3 |
| 同源超家族 H-superfamily homologous superfamily | 50 — |