2czl
Crystal structure of MqnD (TTHA1568), a menaquinone biosynthetic enzyme from Thermus thermophilus HB8 (Cys11 modified with beta-mercaptoethanol)
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 |
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 | 2czl |
| 沉积日期 deposition_date | 2005-07-13 |
| 结构标题 title | Crystal structure of MqnD (TTHA1568), a menaquinone biosynthetic enzyme from Thermus thermophilus HB8 (Cys11 modified with beta-mercaptoethanol) |
| 关键词 keywords | ;Conserved hypothetical protein, TTHA1568, Extremely thermophilic bacteria, Structural Genomics, NPPSFA, National Project on Protein Structural and Functional Analyses, RIKEN Structural Genomics/Proteomics Initiative, RSGI, UNKNOWN FUNCTION ;; STRUCTURAL GENOMICS, UNKNOWN FUNCTION |
| 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。
2czl__assembly_1__model_1
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
2czl__assembly_1__model_1 | I(q)
2czl__assembly_1__model_1 | P(r) · Pending
| Rg(Guinier) | 19.14 Å |
| Rg(电子密度) | 17.94 Å |
| 总 Rg | 18.92 Å |
| 原子数 | 2155 |
| 残基数 | 269 |
| 排除体积 | 38564 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 (5)
6. 折叠分类 (SCOP + CATH) 3 domains
SCOP 2.08 (1 domains)
| 结构域编号 domain_id | d2czla1 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.94 — Periplasmic binding protein-like II |
| 超家族 Superfamily superfamily | c.94.1 — Periplasmic binding protein-like II |
| 家族 Family family | c.94.1.1 — Phosphate binding protein-like |
CATH v4.4 (2 domains)
| 结构域编号 domain_id | 2czlA01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 190 — D-Maltodextrin-Binding Protein; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Periplasmic binding protein-like II |
| 结构域编号 domain_id | 2czlA02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 190 — D-Maltodextrin-Binding Protein; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Periplasmic binding protein-like II |