PROTEIN (GLYCINAMIDE RIBONUCLEOTIDE SYNTHETASE)
物种未注明
当前结构中的状态
| 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 | water × 1 | 与蛋白数一致 |
数据库中的同蛋白其他状态
查看构建体与数据证据
| UniProt名称 | PUR2_ECOLI |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 A； PDB构建体 3–431； UniProt 1–429 |
1gso
GLYCINAMIDE RIBONUCLEOTIDE SYNTHETASE (GAR-SYN) FROM E. COLI.
1. 蛋白身份与相关结构 Protein Identity & Related Structures
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。
2. 结构基本信息 2. Structure Basics
| 条目编号 entry_id | 1gso |
| 沉积日期 deposition_date | 1998-09-08 |
| 结构标题 title | GLYCINAMIDE RIBONUCLEOTIDE SYNTHETASE (GAR-SYN) FROM E. COLI. |
| 关键词 keywords | GAR-SYN, GLYCINAMIDE RIBONUCLEOTIDE SYNTHETASE, ATP-GRASP, PURINE DE NOVO BIOSYNTHETIC PATHWAY, SUBSTRATE CHANNELING, LIGASE; LIGASE |
| 实验方法 method | X-RAY DIFFRACTION |
3. Official assembly/model 理论 SAXS Official SAXS Profiles
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。
1gso__assembly_1__model_1
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
1gso__assembly_1__model_1 | I(q)
1gso__assembly_1__model_1 | P(r) · Pending
| Rg（Guinier） | 23.17 Å |
| Rg（电子密度） | 22.10 Å |
| 总 Rg | 22.95 Å |
| 原子数 | 3161 |
| 残基数 | 419 |
| 排除体积 | 56344 ų |
| 最大 q | 0.500 Å⁻¹ |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合物信息 Entities & Polymers (2)
6. 折叠分类 (SCOP + CATH) 7 domains
SCOP 2.08 (3 domains)
| 结构域编号 domain_id | d1gsoa1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.84 — Barrel-sandwich hybrid |
| 超家族 Superfamily superfamily | b.84.2 — Rudiment single hybrid motif |
| 家族 Family family | b.84.2.1 — BC C-terminal domain-like |
| 结构域编号 domain_id | d1gsoa2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.30 — PreATP-grasp domain |
| 超家族 Superfamily superfamily | c.30.1 — PreATP-grasp domain |
| 家族 Family family | c.30.1.1 — BC N-terminal domain-like |
| 结构域编号 domain_id | d1gsoa3 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.142 — ATP-grasp |
| 超家族 Superfamily superfamily | d.142.1 — Glutathione synthetase ATP-binding domain-like |
| 家族 Family family | d.142.1.2 — BC ATP-binding domain-like |
CATH v4.4 (4 domains)
| 结构域编号 domain_id | 1gsoA01 |
| 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 | 20 — |
| 结构域编号 domain_id | 1gsoA02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 1490 — Dna Ligase; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — ATP-grasp fold, A domain |
| 结构域编号 domain_id | 1gsoA03 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 470 — D-amino Acid Aminotransferase; Chain A, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — ATP-grasp fold, B domain |
| 结构域编号 domain_id | 1gsoA04 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 600 — Glycinamide Ribonucleotide Synthetase; Chain A, domain 4 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Phosphoribosylglycinamide synthetase, C-terminal domain |