2dkf
Crystal Structure of TTHA0252 from Thermus thermophilus HB8, a RNA Degradation Protein of the Metallo-beta-lactamase Superfamily
1. 蛋白身份与相关结构 Protein Identity & Related Structures
当前条目没有可用的 UniProt 蛋白身份。
七张关系表仍保留该条目的 assembly 与组成信息，但缺少统一蛋白身份时，不能可靠建立跨 PDB 的同蛋白链接。
当前条目的 assembly 组成
| Assembly | 物理组成 | 蛋白状态 | 蛋白 / DNA / RNA / 其他聚合物 | 数据核对 |
|---|---|---|---|---|
| 1 | 蛋白单体 | 单体 | 1 / 0 / 0 / 0 | 与蛋白数一致 |
| 2 | 蛋白单体 | 单体 | 1 / 0 / 0 / 0 | 与蛋白数一致 |
| 3 | 蛋白单体 | 单体 | 1 / 0 / 0 / 0 | 与蛋白数一致 |
| 4 | 蛋白单体 | 单体 | 1 / 0 / 0 / 0 | 与蛋白数一致 |
| 5 | 蛋白同源多聚体 | 同源多聚体 | 2 / 0 / 0 / 0 | 与蛋白数一致 |
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 | 2dkf |
| 沉积日期 deposition_date | 2006-04-10 |
| 结构标题 title | Crystal Structure of TTHA0252 from Thermus thermophilus HB8, a RNA Degradation Protein of the Metallo-beta-lactamase Superfamily |
| 关键词 keywords | ;beta-CASP family, metallo-beta-lactamase, ribonuclease, RNase E, Thermus thermophilus, Structural Genomics, NPPSFA, National Project on Protein Structural and Functional Analyses, RIKEN Structural Genomics/Proteomics Initiative, RSGI, 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。
2dkf__assembly_1__model_1
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
2dkf__assembly_1__model_1 | I(q)
2dkf__assembly_1__model_1 | P(r) · Pending
| Rg（Guinier） | 22.72 Å |
| Rg（电子密度） | 21.73 Å |
| 总 Rg | 22.52 Å |
| 原子数 | 3328 |
| 残基数 | 424 |
| 排除体积 | 59503 ų |
| 最大 q | 0.500 Å⁻¹ |
| Assembly | Model | 结构单元 | 聚集说明 | 状态 | CRYSOL | 操作 |
|---|---|---|---|---|---|---|
| 1 | 1 | 2dkf__assembly_1__model_1 |
monomeric （1） | 成功 | 4.1.3-1-20251215 (887e7ef) | 查看 下载 |
| 2 | 1 | 2dkf__assembly_2__model_1 |
monomeric （1） | 成功 | 4.1.3-1-20251215 (887e7ef) | 查看 下载 |
| 3 | 1 | 2dkf__assembly_3__model_1 |
monomeric （1） | 成功 | 4.1.3-1-20251215 (887e7ef) | 查看 下载 |
| 4 | 1 | 2dkf__assembly_4__model_1 |
monomeric （1） | 成功 | 4.1.3-1-20251215 (887e7ef) | 查看 下载 |
| 5 | 1 | 2dkf__assembly_5__model_1 |
dimeric （2） | 成功 | 4.1.3-1-20251215 (887e7ef) | 查看 下载 |
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) 12 domains
SCOP 2.08 (4 domains)
| 结构域编号 domain_id | d2dkfa1 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.157 — Metallo-hydrolase/oxidoreductase |
| 超家族 Superfamily superfamily | d.157.1 — Metallo-hydrolase/oxidoreductase |
| 家族 Family family | d.157.1.10 — beta-CASP RNA-metabolising hydrolases |
| 结构域编号 domain_id | d2dkfb_ |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.157 — Metallo-hydrolase/oxidoreductase |
| 超家族 Superfamily superfamily | d.157.1 — Metallo-hydrolase/oxidoreductase |
| 家族 Family family | d.157.1.10 — beta-CASP RNA-metabolising hydrolases |
| 结构域编号 domain_id | d2dkfc_ |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.157 — Metallo-hydrolase/oxidoreductase |
| 超家族 Superfamily superfamily | d.157.1 — Metallo-hydrolase/oxidoreductase |
| 家族 Family family | d.157.1.10 — beta-CASP RNA-metabolising hydrolases |
| 结构域编号 domain_id | d2dkfd_ |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.157 — Metallo-hydrolase/oxidoreductase |
| 超家族 Superfamily superfamily | d.157.1 — Metallo-hydrolase/oxidoreductase |
| 家族 Family family | d.157.1.10 — beta-CASP RNA-metabolising hydrolases |
CATH v4.4 (8 domains)
| 结构域编号 domain_id | 2dkfA01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 60 — 4-Layer Sandwich |
| 拓扑 Topology topology | 15 — Metallo-beta-lactamase; Chain A |
| 同源超家族 H-superfamily homologous superfamily | 10 — Ribonuclease Z/Hydroxyacylglutathione hydrolase-like |
| 结构域编号 domain_id | 2dkfA02 |
| 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 | 10890 — |
| 结构域编号 domain_id | 2dkfB01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 60 — 4-Layer Sandwich |
| 拓扑 Topology topology | 15 — Metallo-beta-lactamase; Chain A |
| 同源超家族 H-superfamily homologous superfamily | 10 — Ribonuclease Z/Hydroxyacylglutathione hydrolase-like |
| 结构域编号 domain_id | 2dkfB02 |
| 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 | 10890 — |
| 结构域编号 domain_id | 2dkfC01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 60 — 4-Layer Sandwich |
| 拓扑 Topology topology | 15 — Metallo-beta-lactamase; Chain A |
| 同源超家族 H-superfamily homologous superfamily | 10 — Ribonuclease Z/Hydroxyacylglutathione hydrolase-like |
| 结构域编号 domain_id | 2dkfC02 |
| 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 | 10890 — |
| 结构域编号 domain_id | 2dkfD01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 60 — 4-Layer Sandwich |
| 拓扑 Topology topology | 15 — Metallo-beta-lactamase; Chain A |
| 同源超家族 H-superfamily homologous superfamily | 10 — Ribonuclease Z/Hydroxyacylglutathione hydrolase-like |
| 结构域编号 domain_id | 2dkfD02 |
| 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 | 10890 — |