Saccharomyces cerevisiae
| Assembly | 物理组成 | 蛋白状态 | 分子拷贝数 | 共同组分 | 数据核对 |
|---|---|---|---|---|---|
| 1 | 蛋白异源复合物 | 异源复合物 | 蛋白 3 | Interferon-induced, double-stranded RNA-activated protein kinase × 2 （P19525） MAGNESIUM ION × 4 PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 PHOSPHATE ION × 1 water × 3 | 与蛋白数一致 |
| UniProt名称 | IF2A_YEAST |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 A； PDB构建体 3–175； UniProt 4–176 |
Homo sapiens
| Assembly | 物理组成 | 蛋白状态 | 分子拷贝数 | 共同组分 | 数据核对 |
|---|---|---|---|---|---|
| 1 | 蛋白异源复合物 | 异源复合物 | 蛋白 3 | Eukaryotic translation initiation factor 2 alpha subunit × 1 （P20459） MAGNESIUM ION × 4 PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 PHOSPHATE ION × 1 water × 3 | 与蛋白数一致 |
| UniProt名称 | E2AK2_HUMAN |
| Isoform | — |
| PDB实体 | 2 |
| 链与序列区间 | 作者链 B； PDB构建体 4–271； UniProt 258–551 作者链 C； PDB构建体 4–271； UniProt 258–551 |
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。
| 条目编号 entry_id | 2a19 |
| 沉积日期 deposition_date | 2005-06-19 |
| 结构标题 title | PKR kinase domain- eIF2alpha- AMP-PNP complex. |
| 关键词 keywords | transferase, kinase, protein biosynthesis, protein synthesis-transferase COMPLEX; protein synthesis/transferase |
| 实验方法 method | X-RAY DIFFRACTION |
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。
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
| Rg（Guinier） | 33.02 Å |
| Rg（电子密度） | 33.48 Å |
| 总 Rg | 33.67 Å |
| 原子数 | 5144 |
| 残基数 | 631 |
| 排除体积 | 92111 ų |
| 最大 q | 0.500 Å⁻¹ |
| 结构域编号 domain_id | d2a19a1 |
| 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.40.4.0 — automated matches |
| 结构域编号 domain_id | d2a19a2 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.60 — SAM domain-like |
| 超家族 Superfamily superfamily | a.60.14 — eIF2alpha middle domain-like |
| 家族 Family family | a.60.14.0 — automated matches |
| 结构域编号 domain_id | d2a19a3 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2a19b1 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.144 — Protein kinase-like (PK-like) |
| 超家族 Superfamily superfamily | d.144.1 — Protein kinase-like (PK-like) |
| 家族 Family family | d.144.1.0 — automated matches |
| 结构域编号 domain_id | d2a19b2 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | d2a19c1 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.144 — Protein kinase-like (PK-like) |
| 超家族 Superfamily superfamily | d.144.1 — Protein kinase-like (PK-like) |
| 家族 Family family | d.144.1.0 — automated matches |
| 结构域编号 domain_id | d2a19c2 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
| 结构域编号 domain_id | 2a19A01 |
| 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 | 2a19A02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 150 — DNA polymerase; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 190 — Translation initiation factor 2; subunit 1; domain 2 |
| 结构域编号 domain_id | 2a19B01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 200 — Phosphorylase Kinase; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — Phosphorylase Kinase; domain 1 |
| 结构域编号 domain_id | 2a19B02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 510 — Transferase(Phosphotransferase); domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Transferase(Phosphotransferase) domain 1 |
| 结构域编号 domain_id | 2a19C01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 200 — Phosphorylase Kinase; domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 20 — Phosphorylase Kinase; domain 1 |
| 结构域编号 domain_id | 2a19C02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 510 — Transferase(Phosphotransferase); domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Transferase(Phosphotransferase) domain 1 |