Escherichia coli (strain K12)
| 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 | 4-nitrophenyl alpha-D-galactopyranoside × 1 nonyl beta-D-glucopyranoside × 1 | 与蛋白数一致 |
| 2 | 蛋白单体 | 单体 | 蛋白 1 | 4-nitrophenyl alpha-D-galactopyranoside × 1 nonyl beta-D-glucopyranoside × 1 | 与蛋白数一致 |
| UniProt名称 | LACY_ECOLI |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 A； PDB构建体 1–417； UniProt 1–417 作者链 B； PDB构建体 1–417； UniProt 1–417 |
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 | 4zyr |
| 沉积日期 deposition_date | 2015-05-22 |
| 结构标题 title | Crystal structure of E. coli Lactose permease G46W/G262W bound to p-nitrophenyl alpha-D-galactopyranoside (alpha-NPG) |
| 关键词 keywords | Membrane Protein, Transporter, Alpha-Helical, Major Facilitator Superfamily (MFS), TRANSPORT PROTEIN; TRANSPORT PROTEIN |
| 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） | 21.38 Å |
| Rg（电子密度） | 20.47 Å |
| 总 Rg | 21.54 Å |
| 原子数 | 3158 |
| 残基数 | 387 |
| 排除体积 | 57648 ų |
| 最大 q | 0.500 Å⁻¹ |
| 结构域编号 domain_id | 4zyrA01 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 1250 — Growth Hormone; Chain: A; |
| 同源超家族 H-superfamily homologous superfamily | 20 — MFS general substrate transporter like domains |
| 结构域编号 domain_id | 4zyrA02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 1250 — Growth Hormone; Chain: A; |
| 同源超家族 H-superfamily homologous superfamily | 20 — MFS general substrate transporter like domains |
| 结构域编号 domain_id | 4zyrB01 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 1250 — Growth Hormone; Chain: A; |
| 同源超家族 H-superfamily homologous superfamily | 20 — MFS general substrate transporter like domains |
| 结构域编号 domain_id | 4zyrB02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 1250 — Growth Hormone; Chain: A; |
| 同源超家族 H-superfamily homologous superfamily | 20 — MFS general substrate transporter like domains |