N UTILIZATION SUBSTANCE PROTEIN A
THERMOTOGA MARITIMA
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 | 蛋白同源多聚体 | 同源多聚体 | 蛋白 2 | water × 2 | 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 | Q9X298 |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 P； PDB构建体 1–344； UniProt 1–344 |
1hh2
Crystal structure of NusA from Thermotoga maritima
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 | 1hh2 |
| 沉积日期 deposition_date | 2000-12-18 |
| 结构标题 title | Crystal structure of NusA from Thermotoga maritima |
| 关键词 keywords | TRANSCRIPTION REGULATION, TERMINATION; TRANSCRIPTION REGULATION |
| 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。
1hh2__assembly_1__model_1
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
1hh2__assembly_1__model_1 | I(q)
1hh2__assembly_1__model_1 | P(r) · Pending
| Rg（Guinier） | 38.61 Å |
| Rg（电子密度） | 38.44 Å |
| 总 Rg | 38.80 Å |
| 原子数 | 5334 |
| 残基数 | 688 |
| 排除体积 | 96976 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) 8 domains
SCOP 2.08 (4 domains)
| 结构域编号 domain_id | d1hh2p1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.40 — OB-fold |
| 超家族 Superfamily superfamily | b.40.4 — Nucleic acid-binding proteins |
| 家族 Family family | b.40.4.5 — Cold shock DNA-binding domain-like |
| 结构域编号 domain_id | d1hh2p2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.52 — Alpha-lytic protease prodomain-like |
| 超家族 Superfamily superfamily | d.52.3 — Prokaryotic type KH domain (KH-domain type II) |
| 家族 Family family | d.52.3.1 — Prokaryotic type KH domain (KH-domain type II) |
| 结构域编号 domain_id | d1hh2p3 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.52 — Alpha-lytic protease prodomain-like |
| 超家族 Superfamily superfamily | d.52.3 — Prokaryotic type KH domain (KH-domain type II) |
| 家族 Family family | d.52.3.1 — Prokaryotic type KH domain (KH-domain type II) |
| 结构域编号 domain_id | d1hh2p4 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.202 — Transcription factor NusA, N-terminal domain |
| 超家族 Superfamily superfamily | d.202.1 — Transcription factor NusA, N-terminal domain |
| 家族 Family family | d.202.1.1 — Transcription factor NusA, N-terminal domain |
CATH v4.4 (4 domains)
| 结构域编号 domain_id | 1hh2P01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 1480 — N Utilization Substance Protein A; Chain:P; domain 4 |
| 同源超家族 H-superfamily homologous superfamily | 10 — NusA, N-terminal domain |
| 结构域编号 domain_id | 1hh2P02 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 40 — Beta Barrel |
| 拓扑 Topology topology | 50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P) |
| 同源超家族 H-superfamily homologous superfamily | 140 — Nucleic acid-binding proteins |
| 结构域编号 domain_id | 1hh2P03 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 300 — GMP Synthetase; Chain A, domain 3 |
| 同源超家族 H-superfamily homologous superfamily | 20 — K homology (KH) domain |
| 结构域编号 domain_id | 1hh2P04 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 300 — GMP Synthetase; Chain A, domain 3 |
| 同源超家族 H-superfamily homologous superfamily | 20 — K homology (KH) domain |