2zbk

Crystal structure of an intact type II DNA topoisomerase: insights into DNA transfer mechanisms

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

Type II DNA topoisomerase VI subunit A

Sulfolobus shibatae

UniProt O05208

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 蛋白异源复合物 异源复合物 蛋白 4 Type 2 DNA topoisomerase 6 subunit B × 2 (O05207) RADICICOL × 2 与蛋白数一致
2 蛋白异源复合物 异源复合物 蛋白 4 Type 2 DNA topoisomerase 6 subunit B × 2 (O05207) RADICICOL × 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 TOP6A_SULSH
Isoform —
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–389; UniProt 1–389 作者链 C; PDB构建体 1–389; UniProt 1–389 作者链 E; PDB构建体 1–389; UniProt 1–389 作者链 G; PDB构建体 1–389; UniProt 1–389

Type 2 DNA topoisomerase 6 subunit B

Sulfolobus shibatae

UniProt O05207

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 蛋白异源复合物 异源复合物 蛋白 4 Type II DNA topoisomerase VI subunit A × 2 (O05208) RADICICOL × 2 与蛋白数一致
2 蛋白异源复合物 异源复合物 蛋白 4 Type II DNA topoisomerase VI subunit A × 2 (O05208) RADICICOL × 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 TOP6B_SULSH
Isoform —
PDB实体 2
链与序列区间 作者链 B; PDB构建体 1–530; UniProt 1–530 作者链 D; PDB构建体 1–530; UniProt 1–530 作者链 F; PDB构建体 1–530; UniProt 1–530 作者链 H; PDB构建体 1–530; UniProt 1–530

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_id2zbk
沉积日期 deposition_date2007-10-22
结构标题 titleCrystal structure of an intact type II DNA topoisomerase: insights into DNA transfer mechanisms
关键词 keywords;DNA topoisomerase, DNA binding protein, decatenation, ATPase, drug design, DNA-binding, Magnesium, Metal-binding, ATP-binding, Nucleotide-binding, Structural Genomics, Paris-Sud Yeast Structural Genomics, YSG, ISOMERASE ;; ISOMERASE
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。

2zbk__assembly_1__model_1

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

下载该曲线 .dat

2zbk__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 个绘图点;横轴和纵轴均采用对数尺度。

2zbk__assembly_1__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)63.88 Å
Rg(电子密度)63.71 Å
总 Rg63.81 Å
原子数13888
残基数1706
排除体积250240 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 2zbk__assembly_1__model_1 tetrameric (4) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
2 1 2zbk__assembly_2__model_1 tetrameric (4) 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 (3)

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6. 折叠分类 (SCOP + CATH) 20 domains

CATH v4.4 (20 domains)

结构域编号 domain_id2zbkA01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology10 — Arc Repressor Mutant, subunit A
同源超家族 H-superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
结构域编号 domain_id2zbkA02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology1360 — Dna Topoisomerase Vi A Subunit; Chain: A, domain 2
同源超家族 H-superfamily homologous superfamily10 —
结构域编号 domain_id2zbkB01
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology565 — Heat Shock Protein 90
同源超家族 H-superfamily homologous superfamily10 — Histidine kinase-like ATPase, C-terminal domain
结构域编号 domain_id2zbkB02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology8 — Helicase, Ruva Protein; domain 3
同源超家族 H-superfamily homologous superfamily50 —
结构域编号 domain_id2zbkB03
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology230 — Ribosomal Protein S5; domain 2
同源超家族 H-superfamily homologous superfamily10 —
结构域编号 domain_id2zbkC01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology10 — Arc Repressor Mutant, subunit A
同源超家族 H-superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
结构域编号 domain_id2zbkC02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology1360 — Dna Topoisomerase Vi A Subunit; Chain: A, domain 2
同源超家族 H-superfamily homologous superfamily10 —
结构域编号 domain_id2zbkD01
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology565 — Heat Shock Protein 90
同源超家族 H-superfamily homologous superfamily10 — Histidine kinase-like ATPase, C-terminal domain
结构域编号 domain_id2zbkD02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology8 — Helicase, Ruva Protein; domain 3
同源超家族 H-superfamily homologous superfamily50 —
结构域编号 domain_id2zbkD03
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology230 — Ribosomal Protein S5; domain 2
同源超家族 H-superfamily homologous superfamily10 —
结构域编号 domain_id2zbkE01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology10 — Arc Repressor Mutant, subunit A
同源超家族 H-superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
结构域编号 domain_id2zbkE02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology1360 — Dna Topoisomerase Vi A Subunit; Chain: A, domain 2
同源超家族 H-superfamily homologous superfamily10 —
结构域编号 domain_id2zbkF01
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology565 — Heat Shock Protein 90
同源超家族 H-superfamily homologous superfamily10 — Histidine kinase-like ATPase, C-terminal domain
结构域编号 domain_id2zbkF02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology8 — Helicase, Ruva Protein; domain 3
同源超家族 H-superfamily homologous superfamily50 —
结构域编号 domain_id2zbkF03
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology230 — Ribosomal Protein S5; domain 2
同源超家族 H-superfamily homologous superfamily10 —
结构域编号 domain_id2zbkG01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology10 — Arc Repressor Mutant, subunit A
同源超家族 H-superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
结构域编号 domain_id2zbkG02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology1360 — Dna Topoisomerase Vi A Subunit; Chain: A, domain 2
同源超家族 H-superfamily homologous superfamily10 —
结构域编号 domain_id2zbkH01
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology565 — Heat Shock Protein 90
同源超家族 H-superfamily homologous superfamily10 — Histidine kinase-like ATPase, C-terminal domain
结构域编号 domain_id2zbkH02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology8 — Helicase, Ruva Protein; domain 3
同源超家族 H-superfamily homologous superfamily50 —
结构域编号 domain_id2zbkH03
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology230 — Ribosomal Protein S5; domain 2
同源超家族 H-superfamily homologous superfamily10 —
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7. 引用文献 (1)