Escherichia coli
| Assembly | 物理组成 | 蛋白状态 | 分子拷贝数 | 共同组分 | 数据核对 |
|---|---|---|---|---|---|
| 1 | 蛋白单体 | 单体 | 蛋白 1 | CYTIDINE-5'-TRIPHOSPHATE × 1 | 与蛋白数一致 |
| UniProt名称 | DPO1_ECOLI |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 A； PDB构建体 1–605； UniProt 324–928 |
页面优先展示蛋白身份、当前 assembly、共同组分、聚集状态和跨 PDB 结构链接。 链映射与序列区间收在“数据证据”中；数据库内部编号、导入时间和 assembly 操作表达式仅用于维护，因此不在读者页面展示。
| 条目编号 entry_id | 1kfd |
| 沉积日期 deposition_date | 1993-09-23 |
| 结构标题 title | CRYSTAL STRUCTURES OF THE KLENOW FRAGMENT OF DNA POLYMERASE I COMPLEXED WITH DEOXYNUCLEOSIDE TRIPHOSPHATE AND PYROPHOSPHATE |
| 关键词 keywords | NUCLEOTIDYLTRANSFERASE; NUCLEOTIDYLTRANSFERASE |
| 实验方法 method | X-RAY DIFFRACTION |
页面只读取最新 assembly 计算结果。每一条曲线都对应明确的 PDB、official biological assembly 和 coordinate model。
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
| Rg（Guinier） | 27.31 Å |
| Rg（电子密度） | 26.71 Å |
| 总 Rg | 27.42 Å |
| 原子数 | 4479 |
| 残基数 | 560 |
| 排除体积 | 79680 ų |
| 最大 q | 0.500 Å⁻¹ |
| 结构域编号 domain_id | d1kfda1 |
| 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 | d1kfda2 |
| 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 |
| 结构域编号 domain_id | 1kfdA01 |
| 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 | 1kfdA02 |
| 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 | 1kfdA03 |
| 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 | 1kfdA04 |
| 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 |