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–RNA | 单体 | 蛋白 1 RNA 1 | TRNAGLN2 × 1 ADENOSINE-5'-TRIPHOSPHATE × 1 water × 2 | 与全部聚合物一致 |
| UniProt名称 | SYQ_ECOLI |
| Isoform | — |
| PDB实体 | 2 |
| 链与序列区间 | 作者链 A； PDB构建体 1–553； UniProt 1–553 |
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 | 1qrs |
| 沉积日期 deposition_date | 1996-06-14 |
| 结构标题 title | GLUTAMINYL-TRNA SYNTHETASE MUTANT D235N COMPLEXED WITH GLUTAMINE TRANSFER RNA |
| 关键词 keywords | AMINOACYL-TRNA SYNTHASE, PROTEIN BIOSYNTHESIS, LIGASE, ATP-B, COMPLEX (AMINOACYL-TRNA SYNTHASE-TRNA), LIGASE-RNA COMPLEX; LIGASE/RNA |
| 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） | 30.78 Å |
| Rg（电子密度） | 30.89 Å |
| 总 Rg | 31.28 Å |
| 原子数 | 7092 |
| 残基数 | 603 |
| 排除体积 | 98312 ų |
| 最大 q | 0.500 Å⁻¹ |
| 结构域编号 domain_id | d1qrsa1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.53 — Ribosomal protein L25-like |
| 超家族 Superfamily superfamily | b.53.1 — Ribosomal protein L25-like |
| 家族 Family family | b.53.1.2 — Gln-tRNA synthetase (GlnRS), C-terminal (anticodon-binding) domain |
| 结构域编号 domain_id | d1qrsa2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.26 — Adenine nucleotide alpha hydrolase-like |
| 超家族 Superfamily superfamily | c.26.1 — Nucleotidylyl transferase |
| 家族 Family family | c.26.1.1 — Class I aminoacyl-tRNA synthetases (RS), catalytic domain |
| 结构域编号 domain_id | 1qrsA01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 40 — Beta Barrel |
| 拓扑 Topology topology | 240 — Ribosomal Protein L25; Chain P |
| 同源超家族 H-superfamily homologous superfamily | 10 — Ribosomal Protein L25; Chain P |
| 结构域编号 domain_id | 1qrsA02 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 40 — Beta Barrel |
| 拓扑 Topology topology | 240 — Ribosomal Protein L25; Chain P |
| 同源超家族 H-superfamily homologous superfamily | 10 — Ribosomal Protein L25; Chain P |
| 结构域编号 domain_id | 1qrsA03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 1160 — Glutamyl-tRNA Synthetase; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Glutamyl-trna Synthetase; Domain 2 |
| 结构域编号 domain_id | 1qrsA04 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 800 — Glutamyl-tRNA Synthetase; domain 3 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Glutamyl-tRNA Synthetase; Domain 3 |
| 结构域编号 domain_id | 1qrsA05 |
| 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 | 620 — HUPs |