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 | ;DNA (5'-D(*DCP*DAP*DAP*DAP*DGP*DCP*DCP*DAP*DAP*DAP*DAP*DGP*DGP*DAP*DC)-3') ; × 1 water × 2 | 与全部聚合物一致 |
| 2 | 蛋白–DNA | 单体 | 蛋白 1 DNA 1 | ;DNA (5'-D(*DCP*DAP*DAP*DAP*DGP*DCP*DCP*DAP*DAP*DAP*DAP*DGP*DGP*DAP*DC)-3') ; × 1 water × 2 | 与全部聚合物一致 |
| UniProt名称 | PRIM_ECOLI |
| Isoform | — |
| PDB实体 | 2 |
| 链与序列区间 | 作者链 A； PDB构建体 4–322； UniProt 111–429 作者链 B； PDB构建体 4–322； UniProt 111–429 |
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 | 3b39 |
| 沉积日期 deposition_date | 2007-10-19 |
| 结构标题 title | Structure of the DnaG primase catalytic domain bound to ssDNA |
| 关键词 keywords | ;Protein-DNA complex, TOPRIM fold, DNA replication, DNA-directed RNA polymerase, Metal-binding, Nucleotidyltransferase, Primosome, Transcription, Transferase, Zinc-finger, transferase-DNA COMPLEX ;; transferase/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） | 23.86 Å |
| Rg（电子密度） | 23.00 Å |
| 总 Rg | 23.74 Å |
| 原子数 | 2619 |
| 残基数 | 323 |
| 排除体积 | 45869 ų |
| 最大 q | 0.500 Å⁻¹ |
| 结构域编号 domain_id | d3b39a1 |
| 类 Class class | e — Multi-domain proteins (alpha and beta) |
| 折叠类型 Fold fold | e.13 — DNA primase core |
| 超家族 Superfamily superfamily | e.13.1 — DNA primase core |
| 家族 Family family | e.13.1.1 — DNA primase DnaG catalytic core |
| 结构域编号 domain_id | d3b39a2 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d3b39b1 |
| 类 Class class | e — Multi-domain proteins (alpha and beta) |
| 折叠类型 Fold fold | e.13 — DNA primase core |
| 超家族 Superfamily superfamily | e.13.1 — DNA primase core |
| 家族 Family family | e.13.1.1 — DNA primase DnaG catalytic core |
| 结构域编号 domain_id | d3b39b2 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | 3b39A01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 980 — DNA primase DNAg catalytic core, N-terminal domain |
| 同源超家族 H-superfamily homologous superfamily | 10 — DNA primase, catalytic core, N-terminal domain |
| 结构域编号 domain_id | 3b39A02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 1360 — Dna Topoisomerase Vi A Subunit; Chain: A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 3b39A03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 50 — Pheromone ER-1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — DnaG, RNA polymerase domain, helical bundle |
| 结构域编号 domain_id | 3b39B01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 980 — DNA primase DNAg catalytic core, N-terminal domain |
| 同源超家族 H-superfamily homologous superfamily | 10 — DNA primase, catalytic core, N-terminal domain |
| 结构域编号 domain_id | 3b39B02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 1360 — Dna Topoisomerase Vi A Subunit; Chain: A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 3b39B03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 50 — Pheromone ER-1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — DnaG, RNA polymerase domain, helical bundle |