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 | 蛋白单体 | 单体 | 蛋白 1 | 3-[5-{[3-(2-carboxyethyl)-4-(carboxymethyl)-5-methyl-1H-pyrrol-2-yl]methyl}-4-(carboxymethyl)-1H-pyrrol-3-yl]propanoic acid × 1 water × 1 | 与蛋白数一致 |
| UniProt名称 | HEM3_ECOLI |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 A； PDB构建体 1–313； UniProt 1–313 |
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 | 1ypn |
| 沉积日期 deposition_date | 1998-06-26 |
| 结构标题 title | REDUCED FORM HYDROXYMETHYLBILANE SYNTHASE (K59Q MUTANT) CRYSTAL STRUCTURE AFTER 2 HOURS IN A FLOW CELL DETERMINED BY TIME-RESOLVED LAUE DIFFRACTION |
| 关键词 keywords | BIOSYNTHESIS OF LINEAR TETRAPYRROLE, ALL ALPHA/BETA, TRANSFERASE; TRANSFERASE |
| 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） | 20.23 Å |
| Rg（电子密度） | 19.21 Å |
| 总 Rg | 20.00 Å |
| 原子数 | 2254 |
| 残基数 | 294 |
| 排除体积 | 39962 ų |
| 最大 q | 0.500 Å⁻¹ |
| 结构域编号 domain_id | d1ypna1 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.94 — Periplasmic binding protein-like II |
| 超家族 Superfamily superfamily | c.94.1 — Periplasmic binding protein-like II |
| 家族 Family family | c.94.1.1 — Phosphate binding protein-like |
| 结构域编号 domain_id | d1ypna2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.50 — dsRBD-like |
| 超家族 Superfamily superfamily | d.50.2 — Porphobilinogen deaminase (hydroxymethylbilane synthase), C-terminal domain |
| 家族 Family family | d.50.2.1 — Porphobilinogen deaminase (hydroxymethylbilane synthase), C-terminal domain |
| 结构域编号 domain_id | 1ypnA01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 190 — D-Maltodextrin-Binding Protein; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Periplasmic binding protein-like II |
| 结构域编号 domain_id | 1ypnA02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 190 — D-Maltodextrin-Binding Protein; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Periplasmic binding protein-like II |
| 结构域编号 domain_id | 1ypnA03 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 160 — Double Stranded RNA Binding Domain |
| 同源超家族 H-superfamily homologous superfamily | 40 — Porphobilinogen deaminase, C-terminal domain |