ENDONUCLEASE
Pyrococcus furiosus
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 | ZINC ION × 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 | P95484_PYRFU |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 A； PDB构建体 1–454； UniProt 302–755 |
1dq3
CRYSTAL STRUCTURE OF AN ARCHAEAL INTEIN-ENCODED HOMING ENDONUCLEASE PI-PFUI
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 | 1dq3 |
| 沉积日期 deposition_date | 1999-12-30 |
| 结构标题 title | CRYSTAL STRUCTURE OF AN ARCHAEAL INTEIN-ENCODED HOMING ENDONUCLEASE PI-PFUI |
| 关键词 keywords | Endonuclease, PI-PfuI, Intein-encoded, HYDROLASE; HYDROLASE |
| 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。
1dq3__assembly_1__model_1
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
1dq3__assembly_1__model_1 | I(q)
1dq3__assembly_1__model_1 | P(r) · Pending
| Rg（Guinier） | 25.98 Å |
| Rg（电子密度） | 24.84 Å |
| 总 Rg | 25.60 Å |
| 原子数 | 3756 |
| 残基数 | 454 |
| 排除体积 | 67072 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 (3)
6. 折叠分类 (SCOP + CATH) 8 domains
SCOP 2.08 (4 domains)
| 结构域编号 domain_id | d1dq3a1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.86 — Hedgehog/intein (Hint) domain |
| 超家族 Superfamily superfamily | b.86.1 — Hedgehog/intein (Hint) domain |
| 家族 Family family | b.86.1.2 — Intein (protein splicing domain) |
| 结构域编号 domain_id | d1dq3a2 |
| 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.50.3 — YcfA/nrd intein domain |
| 家族 Family family | d.50.3.1 — PI-Pfui intein middle domain |
| 结构域编号 domain_id | d1dq3a3 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.95 — Homing endonuclease-like |
| 超家族 Superfamily superfamily | d.95.2 — Homing endonucleases |
| 家族 Family family | d.95.2.2 — Intein endonuclease |
| 结构域编号 domain_id | d1dq3a4 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.95 — Homing endonuclease-like |
| 超家族 Superfamily superfamily | d.95.2 — Homing endonucleases |
| 家族 Family family | d.95.2.2 — Intein endonuclease |
CATH v4.4 (4 domains)
| 结构域编号 domain_id | 1dq3A01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 170 — Beta Complex |
| 拓扑 Topology topology | 16 — Endonuclease - Pi-scei; Chain A, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Hedgehog/Intein (Hint) domain |
| 结构域编号 domain_id | 1dq3A02 |
| 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 | 90 — |
| 结构域编号 domain_id | 1dq3A03 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 10 — Roll |
| 拓扑 Topology topology | 28 — Endonuclease I-creI |
| 同源超家族 H-superfamily homologous superfamily | 10 — Homing endonucleases |
| 结构域编号 domain_id | 1dq3A04 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 10 — Roll |
| 拓扑 Topology topology | 28 — Endonuclease I-creI |
| 同源超家族 H-superfamily homologous superfamily | 10 — Homing endonucleases |