3din

Crystal structure of the protein-translocation complex formed by the SecY channel and the SecA ATPase

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

Protein translocase subunit secA

Thermotoga maritima MSB8

UniProt Q9X1R4

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 Preprotein translocase subunit SecY × 1 (Q9X1I9) Preprotein translocase subunit secE × 1 (P35874) Preprotein translocase subunit SecG × 1 (B1L914) MAGNESIUM ION × 1 ADENOSINE-5'-DIPHOSPHATE × 1 BERYLLIUM TRIFLUORIDE ION × 1 与蛋白数一致
2 蛋白异源复合物 异源复合物 蛋白 4 Preprotein translocase subunit SecY × 1 (Q9X1I9) Preprotein translocase subunit secE × 1 (P35874) Preprotein translocase subunit SecG × 1 (B1L914) MAGNESIUM ION × 1 ADENOSINE-5'-DIPHOSPHATE × 1 BERYLLIUM TRIFLUORIDE ION × 1 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 SECA_THEMA
Isoform —
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–871; UniProt 1–871 作者链 B; PDB构建体 1–871; UniProt 1–871

Preprotein translocase subunit SecY

Thermotoga maritima MSB8

UniProt Q9X1I9

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 Protein translocase subunit secA × 1 (Q9X1R4) Preprotein translocase subunit secE × 1 (P35874) Preprotein translocase subunit SecG × 1 (B1L914) MAGNESIUM ION × 1 ADENOSINE-5'-DIPHOSPHATE × 1 BERYLLIUM TRIFLUORIDE ION × 1 与蛋白数一致
2 蛋白异源复合物 异源复合物 蛋白 4 Protein translocase subunit secA × 1 (Q9X1R4) Preprotein translocase subunit secE × 1 (P35874) Preprotein translocase subunit SecG × 1 (B1L914) MAGNESIUM ION × 1 ADENOSINE-5'-DIPHOSPHATE × 1 BERYLLIUM TRIFLUORIDE ION × 1 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 Q9X1I9_THEMA
Isoform —
PDB实体 2
链与序列区间 作者链 C; PDB构建体 1–431; UniProt 1–431 作者链 F; PDB构建体 1–431; UniProt 1–431

Preprotein translocase subunit secE

Thermotoga maritima MSB8

UniProt P35874

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 Protein translocase subunit secA × 1 (Q9X1R4) Preprotein translocase subunit SecY × 1 (Q9X1I9) Preprotein translocase subunit SecG × 1 (B1L914) MAGNESIUM ION × 1 ADENOSINE-5'-DIPHOSPHATE × 1 BERYLLIUM TRIFLUORIDE ION × 1 与蛋白数一致
2 蛋白异源复合物 异源复合物 蛋白 4 Protein translocase subunit secA × 1 (Q9X1R4) Preprotein translocase subunit SecY × 1 (Q9X1I9) Preprotein translocase subunit SecG × 1 (B1L914) MAGNESIUM ION × 1 ADENOSINE-5'-DIPHOSPHATE × 1 BERYLLIUM TRIFLUORIDE ION × 1 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 SECE_THEMA
Isoform —
PDB实体 3
链与序列区间 作者链 D; PDB构建体 1–65; UniProt 1–65 作者链 G; PDB构建体 1–65; UniProt 1–65

Preprotein translocase subunit SecG

Thermotoga sp.

UniProt B1L914

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 Protein translocase subunit secA × 1 (Q9X1R4) Preprotein translocase subunit SecY × 1 (Q9X1I9) Preprotein translocase subunit secE × 1 (P35874) MAGNESIUM ION × 1 ADENOSINE-5'-DIPHOSPHATE × 1 BERYLLIUM TRIFLUORIDE ION × 1 与蛋白数一致
2 蛋白异源复合物 异源复合物 蛋白 4 Protein translocase subunit secA × 1 (Q9X1R4) Preprotein translocase subunit SecY × 1 (Q9X1I9) Preprotein translocase subunit secE × 1 (P35874) MAGNESIUM ION × 1 ADENOSINE-5'-DIPHOSPHATE × 1 BERYLLIUM TRIFLUORIDE ION × 1 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 B1L914_THESQ
Isoform —
PDB实体 4
链与序列区间 作者链 E; PDB构建体 1–76; UniProt 1–76 作者链 H; PDB构建体 1–76; UniProt 1–76

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_id3din
沉积日期 deposition_date2008-06-20
结构标题 titleCrystal structure of the protein-translocation complex formed by the SecY channel and the SecA ATPase
关键词 keywords;protein translocation, membrane protein, ATPase, ATP-binding, Inner membrane, Nucleotide-binding, Protein transport, Transport, Transmembrane ;; MEMBRANE PROTEIN, PROTEIN TRANSPORT
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。

3din__assembly_2__model_1

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

下载该曲线 .dat

3din__assembly_2__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。

3din__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)36.56 Å
Rg(电子密度)36.24 Å
总 Rg36.71 Å
原子数10684
残基数1333
排除体积193150 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 3din__assembly_1__model_1 tetrameric (4) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
2 1 3din__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 (7)

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6. 折叠分类 (SCOP + CATH) 14 domains

SCOP 2.08 (14 domains)

结构域编号 domain_idd3dina1
类 Class classa — All alpha proteins
折叠类型 Fold folda.162 — Pre-protein crosslinking domain of SecA
超家族 Superfamily superfamilya.162.1 — Pre-protein crosslinking domain of SecA
家族 Family familya.162.1.1 — Pre-protein crosslinking domain of SecA
结构域编号 domain_idd3dina2
类 Class classa — All alpha proteins
折叠类型 Fold folda.172 — Helical scaffold and wing domains of SecA
超家族 Superfamily superfamilya.172.1 — Helical scaffold and wing domains of SecA
家族 Family familya.172.1.1 — Helical scaffold and wing domains of SecA
结构域编号 domain_idd3dina3
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family familyc.37.1.19 — Tandem AAA-ATPase domain
结构域编号 domain_idd3dina4
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family familyc.37.1.19 — Tandem AAA-ATPase domain
结构域编号 domain_idd3dinb1
类 Class classa — All alpha proteins
折叠类型 Fold folda.162 — Pre-protein crosslinking domain of SecA
超家族 Superfamily superfamilya.162.1 — Pre-protein crosslinking domain of SecA
家族 Family familya.162.1.1 — Pre-protein crosslinking domain of SecA
结构域编号 domain_idd3dinb2
类 Class classa — All alpha proteins
折叠类型 Fold folda.172 — Helical scaffold and wing domains of SecA
超家族 Superfamily superfamilya.172.1 — Helical scaffold and wing domains of SecA
家族 Family familya.172.1.1 — Helical scaffold and wing domains of SecA
结构域编号 domain_idd3dinb3
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family familyc.37.1.19 — Tandem AAA-ATPase domain
结构域编号 domain_idd3dinb4
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family familyc.37.1.19 — Tandem AAA-ATPase domain
结构域编号 domain_idd3dinc_
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.41 — Preprotein translocase SecY subunit
超家族 Superfamily superfamilyf.41.1 — Preprotein translocase SecY subunit
家族 Family familyf.41.1.1 — Preprotein translocase SecY subunit
结构域编号 domain_idd3dind_
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.23 — Single transmembrane helix
超家族 Superfamily superfamilyf.23.28 — Preprotein translocase SecE subunit
家族 Family familyf.23.28.1 — Preprotein translocase SecE subunit
结构域编号 domain_idd3dine_
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.17 — Transmembrane helix hairpin
超家族 Superfamily superfamilyf.17.6 — Sec-beta or SecG subunit of protein translocation channel
家族 Family familyf.17.6.2 — SecG subunit
结构域编号 domain_idd3dinf_
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.41 — Preprotein translocase SecY subunit
超家族 Superfamily superfamilyf.41.1 — Preprotein translocase SecY subunit
家族 Family familyf.41.1.1 — Preprotein translocase SecY subunit
结构域编号 domain_idd3ding_
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.23 — Single transmembrane helix
超家族 Superfamily superfamilyf.23.28 — Preprotein translocase SecE subunit
家族 Family familyf.23.28.1 — Preprotein translocase SecE subunit
结构域编号 domain_idd3dinh_
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.17 — Transmembrane helix hairpin
超家族 Superfamily superfamilyf.17.6 — Sec-beta or SecG subunit of protein translocation channel
家族 Family familyf.17.6.2 — SecG subunit
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7. 引用文献 (1)