SERRATIA MARCESCENS
| Assembly | 物理组成 | 蛋白状态 | 分子拷贝数 | 共同组分 | 数据核对 |
|---|---|---|---|---|---|
| 1 | 其他组合 | 同源多聚体 | 蛋白 2 其他聚合物 2 | ;2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 water × 2 | 与蛋白数一致 |
| UniProt名称 | O83008_SERMA |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 A； PDB构建体 1–540； UniProt 24–563 |
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 | 1k9t |
| 沉积日期 deposition_date | 2001-10-30 |
| 结构标题 title | Chitinase a complexed with tetra-N-acetylchitotriose |
| 关键词 keywords | GLYCOSYL HYDROLASE FAMILY 18, CHITINASE, CHITINOLYSIS, A/B-(TIM)-BARREL, HYDROLASE; HYDROLASE |
| 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） | 40.53 Å |
| Rg（电子密度） | 40.55 Å |
| 总 Rg | 40.74 Å |
| 原子数 | 8348 |
| 残基数 | 1076 |
| 排除体积 | 147960 ų |
| 最大 q | 0.500 Å⁻¹ |
| 结构域编号 domain_id | d1k9ta1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.1 — Immunoglobulin-like beta-sandwich |
| 超家族 Superfamily superfamily | b.1.18 — E set domains |
| 家族 Family family | b.1.18.2 — E-set domains of sugar-utilizing enzymes |
| 结构域编号 domain_id | d1k9ta2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.1 — TIM beta/alpha-barrel |
| 超家族 Superfamily superfamily | c.1.8 — (Trans)glycosidases |
| 家族 Family family | c.1.8.5 — Type II chitinase |
| 结构域编号 domain_id | d1k9ta3 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.26 — FKBP-like |
| 超家族 Superfamily superfamily | d.26.3 — Chitinase insertion domain |
| 家族 Family family | d.26.3.1 — Chitinase insertion domain |
| 结构域编号 domain_id | 1k9tA01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 40 — Immunoglobulin-like |
| 同源超家族 H-superfamily homologous superfamily | 10 — Immunoglobulins |
| 结构域编号 domain_id | 1k9tA02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 20 — TIM Barrel |
| 同源超家族 H-superfamily homologous superfamily | 80 — Glycosidases |
| 结构域编号 domain_id | 1k9tA03 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 10 — Roll |
| 拓扑 Topology topology | 50 — Chitinase A; domain 3 |
| 同源超家族 H-superfamily homologous superfamily | 10 — |