3k70

Crystal structure of the complete initiation complex of RecBCD

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

Exodeoxyribonuclease V beta chain

Escherichia coli K-12

UniProt P08394

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–DNA 异源复合物 蛋白 3 DNA 1 Exodeoxyribonuclease V gamma chain × 1 (P07648) Exodeoxyribonuclease V alpha chain × 1 (P04993) DNA (46-MER) × 1 CALCIUM ION × 1 与全部聚合物一致
2 蛋白–DNA 异源复合物 蛋白 3 DNA 1 Exodeoxyribonuclease V gamma chain × 1 (P07648) Exodeoxyribonuclease V alpha chain × 1 (P04993) DNA (46-MER) × 1 CALCIUM ION × 1 与全部聚合物一致

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 EX5B_ECOLI
Isoform —
PDB实体 1
链与序列区间 作者链 B; PDB构建体 1–1180; UniProt 1–1180 作者链 E; PDB构建体 1–1180; UniProt 1–1180

Exodeoxyribonuclease V gamma chain

Escherichia coli K-12

UniProt P07648

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–DNA 异源复合物 蛋白 3 DNA 1 Exodeoxyribonuclease V beta chain × 1 (P08394) Exodeoxyribonuclease V alpha chain × 1 (P04993) DNA (46-MER) × 1 CALCIUM ION × 1 与全部聚合物一致
2 蛋白–DNA 异源复合物 蛋白 3 DNA 1 Exodeoxyribonuclease V beta chain × 1 (P08394) Exodeoxyribonuclease V alpha chain × 1 (P04993) DNA (46-MER) × 1 CALCIUM ION × 1 与全部聚合物一致

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 EX5C_ECOLI
Isoform —
PDB实体 2
链与序列区间 作者链 C; PDB构建体 1–1122; UniProt 1–1122 作者链 F; PDB构建体 1–1122; UniProt 1–1122

Exodeoxyribonuclease V alpha chain

Escherichia coli K-12

UniProt P04993

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–DNA 异源复合物 蛋白 3 DNA 1 Exodeoxyribonuclease V beta chain × 1 (P08394) Exodeoxyribonuclease V gamma chain × 1 (P07648) DNA (46-MER) × 1 CALCIUM ION × 1 与全部聚合物一致
2 蛋白–DNA 异源复合物 蛋白 3 DNA 1 Exodeoxyribonuclease V beta chain × 1 (P08394) Exodeoxyribonuclease V gamma chain × 1 (P07648) DNA (46-MER) × 1 CALCIUM ION × 1 与全部聚合物一致

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 EX5A_ECOLI
Isoform —
PDB实体 3
链与序列区间 作者链 D; PDB构建体 1–608; UniProt 1–608 作者链 G; PDB构建体 1–608; UniProt 1–608

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_id3k70
沉积日期 deposition_date2009-10-11
结构标题 titleCrystal structure of the complete initiation complex of RecBCD
关键词 keywords;RECOMBINATION, HELICASE, NUCLEASE, HYDROLASE, DNA REPAIR, ATP-binding, DNA damage, Endonuclease, Exonuclease, Nucleotide-binding, HYDROLASE-DNA COMPLEX ;; HYDROLASE/DNA
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。

3k70__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

下载该曲线 .dat

3k70__assembly_2__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 个绘图点;横轴和纵轴均采用对数尺度。

3k70__assembly_2__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)47.23 Å
Rg(电子密度)46.61 Å
总 Rg46.78 Å
原子数23466
残基数2860
排除体积413040 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 3k70__assembly_1__model_1 tetrameric (4) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
2 1 3k70__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 (5)

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6. 折叠分类 (SCOP + CATH) 26 domains

CATH v4.4 (26 domains)

结构域编号 domain_id3k70B01
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k70B02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology3170 — Recbcd, chain B, domain 2
同源超家族 H-superfamily homologous superfamily10 — Recbcd, chain B, domain 2
结构域编号 domain_id3k70B03
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k70B04
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology486 — PCRA; domain 4
同源超家族 H-superfamily homologous superfamily10 — PCRA; domain 4
结构域编号 domain_id3k70B05
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology320 — Lambda Exonuclease; Chain A
同源超家族 H-superfamily homologous superfamily10 —
结构域编号 domain_id3k70C01
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 superfamily10930 —
结构域编号 domain_id3k70C02
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 superfamily160 —
结构域编号 domain_id3k70C03
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k70C04
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology486 — PCRA; domain 4
同源超家族 H-superfamily homologous superfamily10 — PCRA; domain 4
结构域编号 domain_id3k70C06
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 superfamily990 —
结构域编号 domain_id3k70D01
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 superfamily1020 — RecBCD complex, subunit RecD, N-terminal domain
结构域编号 domain_id3k70D02
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k70D03
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k70E01
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k70E02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology3170 — Recbcd, chain B, domain 2
同源超家族 H-superfamily homologous superfamily10 — Recbcd, chain B, domain 2
结构域编号 domain_id3k70E03
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k70E04
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology486 — PCRA; domain 4
同源超家族 H-superfamily homologous superfamily10 — PCRA; domain 4
结构域编号 domain_id3k70E05
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology320 — Lambda Exonuclease; Chain A
同源超家族 H-superfamily homologous superfamily10 —
结构域编号 domain_id3k70F01
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 superfamily10930 —
结构域编号 domain_id3k70F02
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 superfamily160 —
结构域编号 domain_id3k70F03
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k70F04
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology486 — PCRA; domain 4
同源超家族 H-superfamily homologous superfamily10 — PCRA; domain 4
结构域编号 domain_id3k70F06
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 superfamily990 —
结构域编号 domain_id3k70G01
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 superfamily1020 — RecBCD complex, subunit RecD, N-terminal domain
结构域编号 domain_id3k70G02
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k70G03
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
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7. 引用文献 (2)