xylanase
Erwinia chrysanthemi
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 | ACETATE 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 | Q46961_ERWCH |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 A； PDB构建体 1–383； UniProt 31–413 |
1nof
THE FIRST CRYSTALLOGRAPHIC STRUCTURE OF A XYLANASE FROM GLYCOSYL HYDROLASE FAMILY 5: IMPLICATIONS FOR CATALYSIS
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 | 1nof |
| 沉积日期 deposition_date | 2003-01-16 |
| 结构标题 title | THE FIRST CRYSTALLOGRAPHIC STRUCTURE OF A XYLANASE FROM GLYCOSYL HYDROLASE FAMILY 5: IMPLICATIONS FOR CATALYSIS |
| 关键词 keywords | XYLANASE, GLYCOHYDROLASE FAMILY 5, CARBOHYDRATE-BINDING MODULE, CATALYTIC DOMAIN, 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。
1nof__assembly_1__model_1
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
1nof__assembly_1__model_1 | I(q)
1nof__assembly_1__model_1 | P(r) · Pending
| Rg（Guinier） | 22.24 Å |
| Rg（电子密度） | 21.19 Å |
| 总 Rg | 22.09 Å |
| 原子数 | 2967 |
| 残基数 | 383 |
| 排除体积 | 52566 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) 4 domains
SCOP 2.08 (2 domains)
| 结构域编号 domain_id | d1nofa1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.71 — Glycosyl hydrolase domain |
| 超家族 Superfamily superfamily | b.71.1 — Glycosyl hydrolase domain |
| 家族 Family family | b.71.1.2 — Composite domain of glycosyl hydrolase families 5, 30, 39 and 51 |
| 结构域编号 domain_id | d1nofa2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.1 — TIM beta/alpha-barrel |
| 超家族 Superfamily superfamily | c.1.8 — (Trans)glycosidases |
| 家族 Family family | c.1.8.3 — beta-glycanases |
CATH v4.4 (2 domains)
| 结构域编号 domain_id | 1nofA01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 40 — Immunoglobulin-like |
| 同源超家族 H-superfamily homologous superfamily | 1180 — Golgi alpha-mannosidase II |
| 结构域编号 domain_id | 1nofA02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 20 — TIM Barrel |
| 同源超家族 H-superfamily homologous superfamily | 80 — Glycosidases |