M1 PYRUVATE KINASE
物种未注明
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 4 | 无其他共同聚合物 | 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 | KPYM_FELCA |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 A； PDB构建体 1–530； UniProt 1–530 |
1pkm
THE REFINED THREE-DIMENSIONAL STRUCTURE OF CAT MUSCLE (M1) PYRUVATE KINASE, AT A RESOLUTION OF 2.6 ANGSTROMS
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 | 1pkm |
| 沉积日期 deposition_date | 1995-07-13 |
| 结构标题 title | THE REFINED THREE-DIMENSIONAL STRUCTURE OF CAT MUSCLE (M1) PYRUVATE KINASE, AT A RESOLUTION OF 2.6 ANGSTROMS |
| 关键词 keywords | PYRUVATE KINASE, KINASE; KINASE |
| 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。
1pkm__assembly_1__model_1
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
1pkm__assembly_1__model_1 | I(q)
1pkm__assembly_1__model_1 | P(r) · Pending
| Rg（Guinier） | 41.02 Å |
| Rg（电子密度） | 40.93 Å |
| 总 Rg | 41.19 Å |
| 原子数 | 15904 |
| 残基数 | 2076 |
| 排除体积 | 284170 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 (1)
6. 折叠分类 (SCOP + CATH) 6 domains
SCOP 2.08 (3 domains)
| 结构域编号 domain_id | d1pkma1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.58 — PK beta-barrel domain-like |
| 超家族 Superfamily superfamily | b.58.1 — PK beta-barrel domain-like |
| 家族 Family family | b.58.1.1 — Pyruvate kinase beta-barrel domain |
| 结构域编号 domain_id | d1pkma2 |
| 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.1.12 — Phosphoenolpyruvate/pyruvate domain |
| 家族 Family family | c.1.12.1 — Pyruvate kinase |
| 结构域编号 domain_id | d1pkma3 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.49 — Pyruvate kinase C-terminal domain-like |
| 超家族 Superfamily superfamily | c.49.1 — PK C-terminal domain-like |
| 家族 Family family | c.49.1.1 — Pyruvate kinase, C-terminal domain |
CATH v4.4 (3 domains)
| 结构域编号 domain_id | 1pkmA01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 1380 — Pyruvate Kinase; Chain: A, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — Pyruvate kinase, C-terminal domain |
| 结构域编号 domain_id | 1pkmA02 |
| 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 | 60 — Phosphoenolpyruvate-binding domains |
| 结构域编号 domain_id | 1pkmA03 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 40 — Beta Barrel |
| 拓扑 Topology topology | 33 — M1 Pyruvate Kinase; Domain 3 |
| 同源超家族 H-superfamily homologous superfamily | 10 — PK beta-barrel domain-like |