DNA POLYMERASE I
Geobacillus stearothermophilus
当前结构中的状态
| 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 | SULFATE ION × 2 water × 1 | 与蛋白数一致 |
数据库中的同蛋白其他状态
查看构建体与数据证据
| UniProt名称 | DPO1_BACST |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 A； PDB构建体 1–580； UniProt 297–877 |
1xwl
BACILLUS STEAROTHERMOPHILUS (NEWLY IDENTIFIED STRAIN AS YET UNNAMED) DNA POLYMERASE FRAGMENT
1. 蛋白身份与相关结构 Protein Identity & Related Structures
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。
2. 结构基本信息 2. Structure Basics
| 条目编号 entry_id | 1xwl |
| 沉积日期 deposition_date | 1998-07-22 |
| 结构标题 title | BACILLUS STEAROTHERMOPHILUS (NEWLY IDENTIFIED STRAIN AS YET UNNAMED) DNA POLYMERASE FRAGMENT |
| 关键词 keywords | BACILLUS STEAROTHERMOPHILUS DNA POLYMERASE, BF THERMOPHILUS POLYMERASE, DNA REPLICATION; DNA REPLICATION |
| 实验方法 method | X-RAY DIFFRACTION |
3. Official assembly/model 理论 SAXS Official SAXS Profiles
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。
1xwl__assembly_1__model_1
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
1xwl__assembly_1__model_1 | I(q)
1xwl__assembly_1__model_1 | P(r) · Pending
| Rg（Guinier） | 27.93 Å |
| Rg（电子密度） | 26.84 Å |
| 总 Rg | 27.65 Å |
| 原子数 | 4664 |
| 残基数 | 580 |
| 排除体积 | 83380 ų |
| 最大 q | 0.500 Å⁻¹ |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合物信息 Entities & Polymers (3)
6. 折叠分类 (SCOP + CATH) 6 domains
SCOP 2.08 (2 domains)
| 结构域编号 domain_id | d1xwla1 |
| 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 | d1xwla2 |
| 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 | 1xwlA01 |
| 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 | 1xwlA02 |
| 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 | 1xwlA03 |
| 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 | 1xwlA04 |
| 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 |