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 | 蛋白同源多聚体 | 同源多聚体 | 蛋白 5 | water × 5 | 与蛋白数一致 |
| UniProt名称 | E2BB_ECOLI |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 D； PDB构建体 1–99； UniProt 24–122 作者链 E； PDB构建体 1–99； UniProt 24–122 作者链 F； PDB构建体 1–99； UniProt 24–122 作者链 G； PDB构建体 1–99； UniProt 24–122 作者链 H； PDB构建体 1–99； UniProt 24–122 |
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 | 1qb5 |
| 沉积日期 deposition_date | 1999-04-30 |
| 结构标题 title | ESCHERICHIA COLI HEAT LABILE ENTEROTOXIN TYPE IIB B-PENTAMER |
| 关键词 keywords | ENTEROTOXIN; ENTEROTOXIN |
| 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） | 24.12 Å |
| Rg（电子密度） | 22.80 Å |
| 总 Rg | 23.47 Å |
| 原子数 | 3750 |
| 残基数 | 495 |
| 排除体积 | 66341 ų |
| 最大 q | 0.500 Å⁻¹ |
| 结构域编号 domain_id | d1qb5d_ |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.40 — OB-fold |
| 超家族 Superfamily superfamily | b.40.2 — Bacterial enterotoxins |
| 家族 Family family | b.40.2.1 — Bacterial AB5 toxins, B-subunits |
| 结构域编号 domain_id | d1qb5e_ |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.40 — OB-fold |
| 超家族 Superfamily superfamily | b.40.2 — Bacterial enterotoxins |
| 家族 Family family | b.40.2.1 — Bacterial AB5 toxins, B-subunits |
| 结构域编号 domain_id | d1qb5f_ |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.40 — OB-fold |
| 超家族 Superfamily superfamily | b.40.2 — Bacterial enterotoxins |
| 家族 Family family | b.40.2.1 — Bacterial AB5 toxins, B-subunits |
| 结构域编号 domain_id | d1qb5g_ |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.40 — OB-fold |
| 超家族 Superfamily superfamily | b.40.2 — Bacterial enterotoxins |
| 家族 Family family | b.40.2.1 — Bacterial AB5 toxins, B-subunits |
| 结构域编号 domain_id | d1qb5h_ |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.40 — OB-fold |
| 超家族 Superfamily superfamily | b.40.2 — Bacterial enterotoxins |
| 家族 Family family | b.40.2.1 — Bacterial AB5 toxins, B-subunits |
| 结构域编号 domain_id | 1qb5D00 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 40 — Beta Barrel |
| 拓扑 Topology topology | 50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P) |
| 同源超家族 H-superfamily homologous superfamily | 50 — |
| 结构域编号 domain_id | 1qb5E00 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 40 — Beta Barrel |
| 拓扑 Topology topology | 50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P) |
| 同源超家族 H-superfamily homologous superfamily | 50 — |
| 结构域编号 domain_id | 1qb5F00 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 40 — Beta Barrel |
| 拓扑 Topology topology | 50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P) |
| 同源超家族 H-superfamily homologous superfamily | 50 — |
| 结构域编号 domain_id | 1qb5G00 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 40 — Beta Barrel |
| 拓扑 Topology topology | 50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P) |
| 同源超家族 H-superfamily homologous superfamily | 50 — |
| 结构域编号 domain_id | 1qb5H00 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 40 — Beta Barrel |
| 拓扑 Topology topology | 50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P) |
| 同源超家族 H-superfamily homologous superfamily | 50 — |