3b4v

X-Ray structure of Activin in complex with FSTL3

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

Inhibin beta A chain

Homo sapiens

UniProt P08476

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 follistatin-like 3 × 2 (O95633) 1,2-ETHANEDIOL × 2 SULFATE ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 water × 4 与蛋白数一致
2 蛋白异源复合物 异源复合物 蛋白 4 follistatin-like 3 × 2 (O95633) 1,2-ETHANEDIOL × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 water × 4 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 INHBA_HUMAN
Isoform —
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–116; UniProt 311–426 作者链 B; PDB构建体 1–116; UniProt 311–426 作者链 E; PDB构建体 1–116; UniProt 311–426 作者链 F; PDB构建体 1–116; UniProt 311–426

follistatin-like 3

Homo sapiens

UniProt O95633

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 Inhibin beta A chain × 2 (P08476) 1,2-ETHANEDIOL × 2 SULFATE ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 water × 4 与蛋白数一致
2 蛋白异源复合物 异源复合物 蛋白 4 Inhibin beta A chain × 2 (P08476) 1,2-ETHANEDIOL × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 water × 4 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 FSTL3_HUMAN
Isoform —
PDB实体 2
链与序列区间 作者链 C; PDB构建体 1–237; UniProt 27–263 作者链 D; PDB构建体 1–237; UniProt 27–263 作者链 G; PDB构建体 1–237; UniProt 27–263 作者链 H; PDB构建体 1–237; UniProt 27–263

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_id3b4v
沉积日期 deposition_date2007-10-24
结构标题 titleX-Ray structure of Activin in complex with FSTL3
关键词 keywords;Ligand-inhibitor signalling complex, Cleavage on pair of basic residues, Glycoprotein, Growth factor, Hormone, Secreted, Nucleus, Proto-oncogene, HORMONE REGULATOR COMPLEX ;; HORMONE REGULATOR COMPLEX
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。

3b4v__assembly_1__model_1

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

下载该曲线 .dat

3b4v__assembly_1__model_1 | I(q)

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

3b4v__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)30.25 Å
Rg(电子密度)29.39 Å
总 Rg30.05 Å
原子数4795
残基数642
排除体积84013 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 3b4v__assembly_1__model_1 tetrameric (4) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
2 1 3b4v__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 (6)

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6. 折叠分类 (SCOP + CATH) 20 domains

SCOP 2.08 (4 domains)

结构域编号 domain_idd3b4va_
类 Class classg — Small proteins
折叠类型 Fold foldg.17 — Cystine-knot cytokines
超家族 Superfamily superfamilyg.17.1 — Cystine-knot cytokines
家族 Family familyg.17.1.2 — Transforming growth factor (TGF)-beta
结构域编号 domain_idd3b4vb_
类 Class classg — Small proteins
折叠类型 Fold foldg.17 — Cystine-knot cytokines
超家族 Superfamily superfamilyg.17.1 — Cystine-knot cytokines
家族 Family familyg.17.1.2 — Transforming growth factor (TGF)-beta
结构域编号 domain_idd3b4ve_
类 Class classg — Small proteins
折叠类型 Fold foldg.17 — Cystine-knot cytokines
超家族 Superfamily superfamilyg.17.1 — Cystine-knot cytokines
家族 Family familyg.17.1.2 — Transforming growth factor (TGF)-beta
结构域编号 domain_idd3b4vf_
类 Class classg — Small proteins
折叠类型 Fold foldg.17 — Cystine-knot cytokines
超家族 Superfamily superfamilyg.17.1 — Cystine-knot cytokines
家族 Family familyg.17.1.2 — Transforming growth factor (TGF)-beta

CATH v4.4 (16 domains)

结构域编号 domain_id3b4vA00
类 Class class2 — Mainly Beta
架构 Architecture architecture10 — Ribbon
拓扑 Topology topology90 — Cystine Knot Cytokines, subunit B
同源超家族 H-superfamily homologous superfamily10 — Cystine-knot cytokines
结构域编号 domain_id3b4vB00
类 Class class2 — Mainly Beta
架构 Architecture architecture10 — Ribbon
拓扑 Topology topology90 — Cystine Knot Cytokines, subunit B
同源超家族 H-superfamily homologous superfamily10 — Cystine-knot cytokines
结构域编号 domain_id3b4vC01
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology290 — Extracellular Matrix Fibrillin
同源超家族 H-superfamily homologous superfamily10 — TGF-beta binding (TB) domain
结构域编号 domain_id3b4vC02
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
同源超家族 H-superfamily homologous superfamily30 —
结构域编号 domain_id3b4vC03
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
同源超家族 H-superfamily homologous superfamily30 —
结构域编号 domain_id3b4vD01
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology290 — Extracellular Matrix Fibrillin
同源超家族 H-superfamily homologous superfamily10 — TGF-beta binding (TB) domain
结构域编号 domain_id3b4vD02
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
同源超家族 H-superfamily homologous superfamily30 —
结构域编号 domain_id3b4vD03
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
同源超家族 H-superfamily homologous superfamily30 —
结构域编号 domain_id3b4vE00
类 Class class2 — Mainly Beta
架构 Architecture architecture10 — Ribbon
拓扑 Topology topology90 — Cystine Knot Cytokines, subunit B
同源超家族 H-superfamily homologous superfamily10 — Cystine-knot cytokines
结构域编号 domain_id3b4vF00
类 Class class2 — Mainly Beta
架构 Architecture architecture10 — Ribbon
拓扑 Topology topology90 — Cystine Knot Cytokines, subunit B
同源超家族 H-superfamily homologous superfamily10 — Cystine-knot cytokines
结构域编号 domain_id3b4vG01
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology290 — Extracellular Matrix Fibrillin
同源超家族 H-superfamily homologous superfamily10 — TGF-beta binding (TB) domain
结构域编号 domain_id3b4vG02
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
同源超家族 H-superfamily homologous superfamily30 —
结构域编号 domain_id3b4vG03
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
同源超家族 H-superfamily homologous superfamily30 —
结构域编号 domain_id3b4vH01
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology290 — Extracellular Matrix Fibrillin
同源超家族 H-superfamily homologous superfamily10 — TGF-beta binding (TB) domain
结构域编号 domain_id3b4vH02
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
同源超家族 H-superfamily homologous superfamily30 —
结构域编号 domain_id3b4vH03
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology60 — Wheat Germ Agglutinin (Isolectin 2); domain 1
同源超家族 H-superfamily homologous superfamily30 —
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7. 引用文献 (1)