1nk6
CYTOSINE-CYTOSINE MISMATCH AT THE POLYMERASE ACTIVE SITE
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 | 1nk6 |
| 沉积日期 deposition_date | 2003-01-02 |
| 结构标题 title | CYTOSINE-CYTOSINE MISMATCH AT THE POLYMERASE ACTIVE SITE |
| 关键词 keywords | DNA POLYMERASE I, DNA REPLICATION, KLENOW FRAGMENT, PROTEIN-DNA COMPLEX, DNA MISMATCH, TRANSFERASE-DNA COMPLEX; TRANSFERASE/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 | 27.06 Å |
| 回转半径 Rg (电子) rg_electron | 26.34 Å |
| 零角强度 I(0) i0 | 92435100.00 |
| 分子量 molecular_weight | 72487.0 kDa |
| 排除体积 excluded_volume | 89497 ų |
| 包络体积 envelope_volume | 110310 ų |
| 水化壳体积 shell_volume | 34393 ų |
| 包络直径 envelope_diameter | 88.2 Å |
| 壳层 Rg shell_rg | 34.19 Å |
| 包络 Rg envelope_rg | 26.32 Å |
| 形状 Rg shape_rg | 26.35 Å |
| 总 Rg total_rg | 27.08 Å |
| 总原子数 total_atoms | 5076 |
| 残基数 n_residues | 598 |
| 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 | 85.2 Å |
| Rg (实空间) rg_real | 26.94 Å |
| Rg 误差 (实空间) rg_real_error | 0.50 Å |
| I(0) (实空间) i0_real | 9.2440e+07 |
| I(0) 误差 (实空间) i0_real_error | 1.3640e+06 |
| Rg (倒空间) rg_reciprocal | 26.98 Å |
| I(0) (倒空间) i0_reciprocal | 92440000.0000 |
| 解质量估计 total_estimate | 0.8987 |
| 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 | 31.8 Å |
| 偏度 Skewness skewness | 0.220 |
| 峰度 Kurtosis kurtosis | -0.391 |
| 角度范围 angular_range | — – 0.2950 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 21630000.0000 |
| 实空间数据点数 n_real_points | 60 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.910; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.950 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (6)
6. 折叠分类 (SCOP + CATH) 6 domains
SCOP 2.08 (2 domains)
| 结构域编号 domain_id | d1nk6a1 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.55 — Ribonuclease H-like motif |
| 超家族 Superfamily superfamily | c.55.3 — Ribonuclease H-like |
| 家族 Family family | c.55.3.5 — DnaQ-like 3'-5' exonuclease |
| 结构域编号 domain_id | d1nk6a2 |
| 类 Class class | e — Multi-domain proteins (alpha and beta) |
| 折叠类型 Fold fold | e.8 — DNA/RNA polymerases |
| 超家族 Superfamily superfamily | e.8.1 — DNA/RNA polymerases |
| 家族 Family family | e.8.1.1 — DNA polymerase I |
CATH v4.4 (4 domains)
| 结构域编号 domain_id | 1nk6A01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 420 — Nucleotidyltransferase; domain 5 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Ribonuclease H-like superfamily/Ribonuclease H |
| 结构域编号 domain_id | 1nk6A02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 1060 — Taq DNA Polymerase; Chain T, domain 4 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Taq DNA Polymerase; Chain T, domain 4 |
| 结构域编号 domain_id | 1nk6A03 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 70 — Alpha-Beta Plaits |
| 同源超家族 H-superfamily homologous superfamily | 370 — |
| 结构域编号 domain_id | 1nk6A04 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 150 — DNA polymerase; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — 5' to 3' exonuclease, C-terminal subdomain |