6o65

Crystal Structure of Arabidopsis thaliana Spermidine Synthase isoform 1 (AtSPDS1) in complex with decarboxylated S-adenosylmethionine and cyclohexylamine

Method: X-RAY DIFFRACTION
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1. 蛋白身份与相关结构 Protein Identity & Related Structures

Spermidine synthase 1

Arabidopsis thaliana

UniProt Q9ZUB3

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 2 5'-[(S)-(3-AMINOPROPYL)(METHYL)-LAMBDA~4~-SULFANYL]-5'-DEOXYADENOSINE × 2 CYCLOHEXYLAMMONIUM ION × 2 SULFATE ION × 1 water × 2 与蛋白数一致
2 蛋白同源多聚体 同源多聚体 蛋白 2 5'-[(S)-(3-AMINOPROPYL)(METHYL)-LAMBDA~4~-SULFANYL]-5'-DEOXYADENOSINE × 2 CYCLOHEXYLAMMONIUM ION × 2 SULFATE ION × 1 water × 2 与蛋白数一致
3 蛋白同源多聚体 同源多聚体 蛋白 2 5'-[(S)-(3-AMINOPROPYL)(METHYL)-LAMBDA~4~-SULFANYL]-5'-DEOXYADENOSINE × 2 CYCLOHEXYLAMMONIUM ION × 2 SULFATE ION × 1 DI(HYDROXYETHYL)ETHER × 1 1,2-ETHANEDIOL × 1 water × 2 与蛋白数一致
4 蛋白同源多聚体 同源多聚体 蛋白 2 5'-[(S)-(3-AMINOPROPYL)(METHYL)-LAMBDA~4~-SULFANYL]-5'-DEOXYADENOSINE × 2 CYCLOHEXYLAMMONIUM ION × 2 SULFATE ION × 1 DI(HYDROXYETHYL)ETHER × 1 1,2-ETHANEDIOL × 1 water × 2 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 SPD1_ARATH
Isoform —
PDB实体 1
链与序列区间 作者链 A; PDB构建体 4–304; UniProt 34–334 作者链 B; PDB构建体 4–304; UniProt 34–334 作者链 C; PDB构建体 4–304; UniProt 34–334 作者链 D; PDB构建体 4–304; UniProt 34–334 作者链 E; PDB构建体 4–304; UniProt 34–334 作者链 F; PDB构建体 4–304; UniProt 34–334 作者链 G; PDB构建体 4–304; UniProt 34–334 作者链 H; PDB构建体 4–304; UniProt 34–334

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。

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2. 结构基本信息 2. Structure Basics

条目编号 entry_id6o65
沉积日期 deposition_date2019-03-05
结构标题 titleCrystal Structure of Arabidopsis thaliana Spermidine Synthase isoform 1 (AtSPDS1) in complex with decarboxylated S-adenosylmethionine and cyclohexylamine
关键词 keywordsPolyamine metabolism, Putrescine Biosynthesis, Transferase, dc-SAM, MTA; TRANSFERASE
实验方法 methodX-RAY DIFFRACTION
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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。

6o65__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

下载该曲线 .dat

6o65__assembly_3__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 个绘图点;横轴和纵轴均采用对数尺度。

6o65__assembly_3__model_1 | P(r) · Pending

新版 assembly/model P(r) 尚未计算 此处仅保留位置,不展示旧数据 r (Angstrom) P(r)
P(r) 将按相同 assembly/model 分别计算和展示。
Rg(Guinier)25.44 Å
Rg(电子密度)24.33 Å
总 Rg25.26 Å
原子数4572
残基数583
排除体积82049 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 6o65__assembly_1__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
2 1 6o65__assembly_2__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
3 1 6o65__assembly_3__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
4 1 6o65__assembly_4__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
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4. 晶体学与实验 4. Crystallography & Experiment

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5. 实体与聚合物信息 Entities & Polymers (7)

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6. 折叠分类 (SCOP + CATH) 28 domains

SCOP 2.08 (12 domains)

结构域编号 domain_idd6o65a_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
超家族 Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
家族 Family familyc.66.1.17 — Spermidine synthase
结构域编号 domain_idd6o65b1
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
超家族 Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
家族 Family familyc.66.1.17 — Spermidine synthase
结构域编号 domain_idd6o65b2
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd6o65c_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
超家族 Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
家族 Family familyc.66.1.17 — Spermidine synthase
结构域编号 domain_idd6o65d1
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
超家族 Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
家族 Family familyc.66.1.17 — Spermidine synthase
结构域编号 domain_idd6o65d2
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd6o65e_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
超家族 Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
家族 Family familyc.66.1.17 — Spermidine synthase
结构域编号 domain_idd6o65f1
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
超家族 Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
家族 Family familyc.66.1.17 — Spermidine synthase
结构域编号 domain_idd6o65f2
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd6o65g_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
超家族 Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
家族 Family familyc.66.1.17 — Spermidine synthase
结构域编号 domain_idd6o65h1
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.66 — S-adenosyl-L-methionine-dependent methyltransferases
超家族 Superfamily superfamilyc.66.1 — S-adenosyl-L-methionine-dependent methyltransferases
家族 Family familyc.66.1.17 — Spermidine synthase
结构域编号 domain_idd6o65h2
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags

CATH v4.4 (16 domains)

结构域编号 domain_id6o65A01
类 Class class2 — Mainly Beta
架构 Architecture architecture30 — Roll
拓扑 Topology topology140 — Spermidine Synthase; Chain: A, domain 2
同源超家族 H-superfamily homologous superfamily10 — Spermidine synthase, tetramerisation domain
结构域编号 domain_id6o65A02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily150 — Vaccinia Virus protein VP39
结构域编号 domain_id6o65B01
类 Class class2 — Mainly Beta
架构 Architecture architecture30 — Roll
拓扑 Topology topology140 — Spermidine Synthase; Chain: A, domain 2
同源超家族 H-superfamily homologous superfamily10 — Spermidine synthase, tetramerisation domain
结构域编号 domain_id6o65B02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily150 — Vaccinia Virus protein VP39
结构域编号 domain_id6o65C01
类 Class class2 — Mainly Beta
架构 Architecture architecture30 — Roll
拓扑 Topology topology140 — Spermidine Synthase; Chain: A, domain 2
同源超家族 H-superfamily homologous superfamily10 — Spermidine synthase, tetramerisation domain
结构域编号 domain_id6o65C02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily150 — Vaccinia Virus protein VP39
结构域编号 domain_id6o65D01
类 Class class2 — Mainly Beta
架构 Architecture architecture30 — Roll
拓扑 Topology topology140 — Spermidine Synthase; Chain: A, domain 2
同源超家族 H-superfamily homologous superfamily10 — Spermidine synthase, tetramerisation domain
结构域编号 domain_id6o65D02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily150 — Vaccinia Virus protein VP39
结构域编号 domain_id6o65E01
类 Class class2 — Mainly Beta
架构 Architecture architecture30 — Roll
拓扑 Topology topology140 — Spermidine Synthase; Chain: A, domain 2
同源超家族 H-superfamily homologous superfamily10 — Spermidine synthase, tetramerisation domain
结构域编号 domain_id6o65E02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily150 — Vaccinia Virus protein VP39
结构域编号 domain_id6o65F01
类 Class class2 — Mainly Beta
架构 Architecture architecture30 — Roll
拓扑 Topology topology140 — Spermidine Synthase; Chain: A, domain 2
同源超家族 H-superfamily homologous superfamily10 — Spermidine synthase, tetramerisation domain
结构域编号 domain_id6o65F02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily150 — Vaccinia Virus protein VP39
结构域编号 domain_id6o65G01
类 Class class2 — Mainly Beta
架构 Architecture architecture30 — Roll
拓扑 Topology topology140 — Spermidine Synthase; Chain: A, domain 2
同源超家族 H-superfamily homologous superfamily10 — Spermidine synthase, tetramerisation domain
结构域编号 domain_id6o65G02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily150 — Vaccinia Virus protein VP39
结构域编号 domain_id6o65H01
类 Class class2 — Mainly Beta
架构 Architecture architecture30 — Roll
拓扑 Topology topology140 — Spermidine Synthase; Chain: A, domain 2
同源超家族 H-superfamily homologous superfamily10 — Spermidine synthase, tetramerisation domain
结构域编号 domain_id6o65H02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily150 — Vaccinia Virus protein VP39
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7. 引用文献 (1)