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 2 | SULFATE ION × 4 GLYCEROL × 1 water × 2 | 与蛋白数一致 |
| UniProt名称 | HISX_ECOLI |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 A； PDB构建体 1–434； UniProt 1–434 作者链 B； PDB构建体 1–434； UniProt 1–434 |
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 | 1k75 |
| 沉积日期 deposition_date | 2001-10-18 |
| 结构标题 title | The L-histidinol dehydrogenase (hisD) structure implicates domain swapping and gene duplication. |
| 关键词 keywords | ;L-histidinol dehydrogenase, homodimer, Rossmann fold, 4 domains, hisD, L-histidine biosynthesis, NAD cofactor, Montreal-Kingston Bacterial Structural Genomics Initiative, BSGI, Structural Genomics, OXIDOREDUCTASE ;; OXIDOREDUCTASE |
| 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） | 29.53 Å |
| Rg（电子密度） | 28.54 Å |
| 总 Rg | 29.24 Å |
| 原子数 | 6446 |
| 残基数 | 850 |
| 排除体积 | 114610 ų |
| 最大 q | 0.500 Å⁻¹ |
| 结构域编号 domain_id | d1k75a_ |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.82 — ALDH-like |
| 超家族 Superfamily superfamily | c.82.1 — ALDH-like |
| 家族 Family family | c.82.1.2 — L-histidinol dehydrogenase HisD |
| 结构域编号 domain_id | d1k75b_ |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.82 — ALDH-like |
| 超家族 Superfamily superfamily | c.82.1 — ALDH-like |
| 家族 Family family | c.82.1.2 — L-histidinol dehydrogenase HisD |
| 结构域编号 domain_id | 1k75A01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 1980 — Nitrogenase molybdenum iron protein domain |
| 结构域编号 domain_id | 1k75A02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces |
| 同源超家族 H-superfamily homologous superfamily | 1300 — |
| 结构域编号 domain_id | 1k75A03 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 1980 — Nitrogenase molybdenum iron protein domain |
| 结构域编号 domain_id | 1k75B01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 1980 — Nitrogenase molybdenum iron protein domain |
| 结构域编号 domain_id | 1k75B02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 1980 — Nitrogenase molybdenum iron protein domain |
| 结构域编号 domain_id | 1k75B03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces |
| 同源超家族 H-superfamily homologous superfamily | 1300 — |