3r8b

Crystal structure of Staphylococcal Enterotoxin B in complex with an affinity matured mouse TCR VBeta8.2 protein, G5-8

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

Enterotoxin type B

Staphylococcus aureus

UniProt P01552

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 2 G5-8 × 1 CHLORIDE ION × 3 SULFATE ION × 1 ZINC ION × 2 与蛋白数一致
2 蛋白异源复合物 异源复合物 蛋白 2 G5-8 × 1 CHLORIDE ION × 3 ZINC ION × 3 与蛋白数一致
3 蛋白异源复合物 异源复合物 蛋白 2 G5-8 × 1 ZINC ION × 3 与蛋白数一致
4 蛋白异源复合物 异源复合物 蛋白 2 G5-8 × 1 CHLORIDE ION × 1 ZINC ION × 3 与蛋白数一致
5 蛋白异源复合物 异源复合物 蛋白 2 G5-8 × 1 CHLORIDE ION × 3 ZINC ION × 4 与蛋白数一致
6 蛋白异源复合物 异源复合物 蛋白 2 G5-8 × 1 CHLORIDE ION × 1 ZINC ION × 3 与蛋白数一致
7 蛋白异源复合物 异源复合物 蛋白 2 G5-8 × 1 CHLORIDE ION × 2 ZINC ION × 3 与蛋白数一致
8 蛋白异源复合物 异源复合物 蛋白 2 G5-8 × 1 CHLORIDE ION × 1 ZINC ION × 3 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 ETXB_STAAU
Isoform —
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–239; UniProt 28–266 作者链 C; PDB构建体 1–239; UniProt 28–266 作者链 E; PDB构建体 1–239; UniProt 28–266 作者链 G; PDB构建体 1–239; UniProt 28–266 作者链 I; PDB构建体 1–239; UniProt 28–266 作者链 K; PDB构建体 1–239; UniProt 28–266 作者链 M; PDB构建体 1–239; UniProt 28–266 作者链 O; PDB构建体 1–239; UniProt 28–266

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_id3r8b
沉积日期 deposition_date2011-03-23
结构标题 titleCrystal structure of Staphylococcal Enterotoxin B in complex with an affinity matured mouse TCR VBeta8.2 protein, G5-8
关键词 keywordsimmunoglobulin-like, OB-fold, TOXIN-IMMUNE SYSTEM complex; TOXIN/IMMUNE SYSTEM
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。

3r8b__assembly_5__model_1

Assembly 5 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

下载该曲线 .dat

3r8b__assembly_5__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。

3r8b__assembly_5__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)22.76 Å
Rg(电子密度)21.93 Å
总 Rg22.88 Å
原子数2771
残基数338
排除体积49306 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 3r8b__assembly_1__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
2 1 3r8b__assembly_2__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
3 1 3r8b__assembly_3__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
4 1 3r8b__assembly_4__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
5 1 3r8b__assembly_5__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
6 1 3r8b__assembly_6__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
7 1 3r8b__assembly_7__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
8 1 3r8b__assembly_8__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 (5)

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6. 折叠分类 (SCOP + CATH) 48 domains

SCOP 2.08 (24 domains)

结构域编号 domain_idd3r8ba1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.2 — Bacterial enterotoxins
家族 Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
结构域编号 domain_idd3r8ba2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
家族 Family familyd.15.6.1 — Superantigen toxins, C-terminal domain
结构域编号 domain_idd3r8bb_
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.1 — Immunoglobulin
家族 Family familyb.1.1.1 — V set domains (antibody variable domain-like)
结构域编号 domain_idd3r8bc1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.2 — Bacterial enterotoxins
家族 Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
结构域编号 domain_idd3r8bc2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
家族 Family familyd.15.6.1 — Superantigen toxins, C-terminal domain
结构域编号 domain_idd3r8bd_
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.1 — Immunoglobulin
家族 Family familyb.1.1.1 — V set domains (antibody variable domain-like)
结构域编号 domain_idd3r8be1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.2 — Bacterial enterotoxins
家族 Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
结构域编号 domain_idd3r8be2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
家族 Family familyd.15.6.1 — Superantigen toxins, C-terminal domain
结构域编号 domain_idd3r8bf_
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.1 — Immunoglobulin
家族 Family familyb.1.1.1 — V set domains (antibody variable domain-like)
结构域编号 domain_idd3r8bg1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.2 — Bacterial enterotoxins
家族 Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
结构域编号 domain_idd3r8bg2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
家族 Family familyd.15.6.1 — Superantigen toxins, C-terminal domain
结构域编号 domain_idd3r8bh_
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.1 — Immunoglobulin
家族 Family familyb.1.1.1 — V set domains (antibody variable domain-like)
结构域编号 domain_idd3r8bi1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.2 — Bacterial enterotoxins
家族 Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
结构域编号 domain_idd3r8bi2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
家族 Family familyd.15.6.1 — Superantigen toxins, C-terminal domain
结构域编号 domain_idd3r8bj_
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.1 — Immunoglobulin
家族 Family familyb.1.1.1 — V set domains (antibody variable domain-like)
结构域编号 domain_idd3r8bk1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.2 — Bacterial enterotoxins
家族 Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
结构域编号 domain_idd3r8bk2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
家族 Family familyd.15.6.1 — Superantigen toxins, C-terminal domain
结构域编号 domain_idd3r8bl_
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.1 — Immunoglobulin
家族 Family familyb.1.1.1 — V set domains (antibody variable domain-like)
结构域编号 domain_idd3r8bm1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.2 — Bacterial enterotoxins
家族 Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
结构域编号 domain_idd3r8bm2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
家族 Family familyd.15.6.1 — Superantigen toxins, C-terminal domain
结构域编号 domain_idd3r8bn_
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.1 — Immunoglobulin
家族 Family familyb.1.1.1 — V set domains (antibody variable domain-like)
结构域编号 domain_idd3r8bo1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.2 — Bacterial enterotoxins
家族 Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
结构域编号 domain_idd3r8bo2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
家族 Family familyd.15.6.1 — Superantigen toxins, C-terminal domain
结构域编号 domain_idd3r8bp_
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.1 — Immunoglobulin
家族 Family familyb.1.1.1 — V set domains (antibody variable domain-like)

CATH v4.4 (24 domains)

结构域编号 domain_id3r8bA01
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily120 —
结构域编号 domain_id3r8bA02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily110 —
结构域编号 domain_id3r8bB00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3r8bC01
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily120 —
结构域编号 domain_id3r8bC02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily110 —
结构域编号 domain_id3r8bD00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3r8bE01
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily120 —
结构域编号 domain_id3r8bE02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily110 —
结构域编号 domain_id3r8bF00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3r8bG01
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily120 —
结构域编号 domain_id3r8bG02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily110 —
结构域编号 domain_id3r8bH00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3r8bI01
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily120 —
结构域编号 domain_id3r8bI02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily110 —
结构域编号 domain_id3r8bJ00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3r8bK01
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily120 —
结构域编号 domain_id3r8bK02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily110 —
结构域编号 domain_id3r8bL00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3r8bM01
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily120 —
结构域编号 domain_id3r8bM02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily110 —
结构域编号 domain_id3r8bN00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3r8bO01
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily120 —
结构域编号 domain_id3r8bO02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily110 —
结构域编号 domain_id3r8bP00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
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7. 引用文献 (1)