Arabidopsis thaliana
| 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 | water × 4 | 与蛋白数一致 |
| UniProt名称 | SPD1_ARATH |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 A； PDB构建体 2–334； UniProt 2–334 作者链 B； PDB构建体 2–334； UniProt 2–334 作者链 C； PDB构建体 2–334； UniProt 2–334 作者链 D； PDB构建体 2–334； UniProt 2–334 |
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 | 2q41 |
| 沉积日期 deposition_date | 2007-05-31 |
| 结构标题 title | Ensemble refinement of the protein crystal structure of spermidine synthase from Arabidopsis thaliana gene At1g23820 |
| 关键词 keywords | ;Ensemble Refinement, Refinement Methodology Development, AT1G23820, PUTRESCINE AMINOPROPYL TRANSFERASE, SPERMIDINE SYNTHASE, SPDS1, POLYAMINE, Structural Genomics, Protein Structure Initiative, PSI, Center for Eukaryotic Structural Genomics, CESG, TRANSFERASE ;; 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 7 · CRYSOL 4.1.3-1-20251215 (887e7ef)
| Rg（Guinier） | 36.28 Å |
| Rg（电子密度） | 35.85 Å |
| 总 Rg | 36.12 Å |
| 原子数 | 8864 |
| 残基数 | 1122 |
| 排除体积 | 159280 ų |
| 最大 q | 0.500 Å⁻¹ |
| Assembly | Model | 结构单元 | 聚集说明 | 状态 | CRYSOL | 操作 |
|---|---|---|---|---|---|---|
| 1 | 1 | 2q41__assembly_1__model_1 |
tetrameric （4） | 成功 | 4.1.3-1-20251215 (887e7ef) | 查看 下载 |
| 1 | 2 | 2q41__assembly_1__model_2 |
tetrameric （4） | 成功 | 4.1.3-1-20251215 (887e7ef) | 查看 下载 |
| 1 | 3 | 2q41__assembly_1__model_3 |
tetrameric （4） | 成功 | 4.1.3-1-20251215 (887e7ef) | 查看 下载 |
| 1 | 4 | 2q41__assembly_1__model_4 |
tetrameric （4） | 成功 | 4.1.3-1-20251215 (887e7ef) | 查看 下载 |
| 1 | 5 | 2q41__assembly_1__model_5 |
tetrameric （4） | 成功 | 4.1.3-1-20251215 (887e7ef) | 查看 下载 |
| 1 | 6 | 2q41__assembly_1__model_6 |
tetrameric （4） | 成功 | 4.1.3-1-20251215 (887e7ef) | 查看 下载 |
| 1 | 7 | 2q41__assembly_1__model_7 |
tetrameric （4） | 成功 | 4.1.3-1-20251215 (887e7ef) | 查看 下载 |
| 1 | 8 | 2q41__assembly_1__model_8 |
tetrameric （4） | 成功 | 4.1.3-1-20251215 (887e7ef) | 查看 下载 |
| 结构域编号 domain_id | d2q41a_ |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.66 — S-adenosyl-L-methionine-dependent methyltransferases |
| 超家族 Superfamily superfamily | c.66.1 — S-adenosyl-L-methionine-dependent methyltransferases |
| 家族 Family family | c.66.1.17 — Spermidine synthase |
| 结构域编号 domain_id | d2q41b_ |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.66 — S-adenosyl-L-methionine-dependent methyltransferases |
| 超家族 Superfamily superfamily | c.66.1 — S-adenosyl-L-methionine-dependent methyltransferases |
| 家族 Family family | c.66.1.17 — Spermidine synthase |
| 结构域编号 domain_id | d2q41c_ |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.66 — S-adenosyl-L-methionine-dependent methyltransferases |
| 超家族 Superfamily superfamily | c.66.1 — S-adenosyl-L-methionine-dependent methyltransferases |
| 家族 Family family | c.66.1.17 — Spermidine synthase |
| 结构域编号 domain_id | d2q41d_ |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.66 — S-adenosyl-L-methionine-dependent methyltransferases |
| 超家族 Superfamily superfamily | c.66.1 — S-adenosyl-L-methionine-dependent methyltransferases |
| 家族 Family family | c.66.1.17 — Spermidine synthase |
| 结构域编号 domain_id | 2q41A01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 30 — Roll |
| 拓扑 Topology topology | 140 — Spermidine Synthase; Chain: A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Spermidine synthase, tetramerisation domain |
| 结构域编号 domain_id | 2q41A02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 150 — Vaccinia Virus protein VP39 |
| 结构域编号 domain_id | 2q41B01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 30 — Roll |
| 拓扑 Topology topology | 140 — Spermidine Synthase; Chain: A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Spermidine synthase, tetramerisation domain |
| 结构域编号 domain_id | 2q41B02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 150 — Vaccinia Virus protein VP39 |
| 结构域编号 domain_id | 2q41C01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 30 — Roll |
| 拓扑 Topology topology | 140 — Spermidine Synthase; Chain: A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Spermidine synthase, tetramerisation domain |
| 结构域编号 domain_id | 2q41C02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 150 — Vaccinia Virus protein VP39 |
| 结构域编号 domain_id | 2q41D01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 30 — Roll |
| 拓扑 Topology topology | 140 — Spermidine Synthase; Chain: A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Spermidine synthase, tetramerisation domain |
| 结构域编号 domain_id | 2q41D02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 150 — Vaccinia Virus protein VP39 |