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–DNA | 单体 | 蛋白 1 DNA 1 | dT16 oligonucleotide × 1 SULFATE ION × 8 | 与全部聚合物一致 |
| 2 | 蛋白–DNA | 单体 | 蛋白 1 DNA 1 | dT16 oligonucleotide × 1 | 与全部聚合物一致 |
| 3 | 蛋白–DNA | 同源多聚体 | 蛋白 2 DNA 2 | dT16 oligonucleotide × 2 SULFATE ION × 8 | 与全部聚合物一致 |
| UniProt名称 | EX1_ECOLI |
| Isoform | — |
| PDB实体 | 2 |
| 链与序列区间 | 作者链 A； PDB构建体 4–478； UniProt 1–475 作者链 B； PDB构建体 4–478； UniProt 1–475 |
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 | 4js4 |
| 沉积日期 deposition_date | 2013-03-22 |
| 结构标题 title | Crystal structure of E. coli Exonuclease I in complex with a dA16 oligonucleotide |
| 关键词 keywords | ;exonuclease, processive, DNA repair, DnaQ superfamily, 3'-5' ssDNA exonuclease, HYDROLASE-DNA complex ;; HYDROLASE/DNA |
| 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） | 24.43 Å |
| Rg（电子密度） | 23.75 Å |
| 总 Rg | 24.59 Å |
| 原子数 | 3953 |
| 残基数 | 483 |
| 排除体积 | 68426 ų |
| 最大 q | 0.500 Å⁻¹ |
| 结构域编号 domain_id | 4js4A01 |
| 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 | 4js4A02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 1520 — PX Domain |
| 同源超家族 H-superfamily homologous superfamily | 20 — Exonuclease ExoI, domain 2 |
| 结构域编号 domain_id | 4js4A03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 1280 — Monooxygenase |
| 同源超家族 H-superfamily homologous superfamily | 70 — Exonuclease ExoI, domain 3 |
| 结构域编号 domain_id | 4js4A04 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 287 — Helix Hairpins |
| 同源超家族 H-superfamily homologous superfamily | 1240 — |
| 结构域编号 domain_id | 4js4B01 |
| 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 | 4js4B02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 1520 — PX Domain |
| 同源超家族 H-superfamily homologous superfamily | 20 — Exonuclease ExoI, domain 2 |
| 结构域编号 domain_id | 4js4B03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 1280 — Monooxygenase |
| 同源超家族 H-superfamily homologous superfamily | 70 — Exonuclease ExoI, domain 3 |
| 结构域编号 domain_id | 4js4B04 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 287 — Helix Hairpins |
| 同源超家族 H-superfamily homologous superfamily | 1240 — |