7f94

Structure of C-terminal truncated connexin43/Cx43/GJA1 gap junction intercellular channel with two conformationally different hemichannels

Method: ELECTRON MICROSCOPY
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1. 蛋白身份与相关结构 Protein Identity & Related Structures

A C-terminal deletion mutant of gap junction alpha-1 protein (Cx43-M257)

Homo sapiens

UniProt P17302

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 蛋白同源多聚体 同源多聚体 蛋白 12 无其他共同聚合物 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 CXA1_HUMAN
Isoform —
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–257; UniProt 1–257 作者链 B; PDB构建体 1–257; UniProt 1–257 作者链 C; PDB构建体 1–257; UniProt 1–257 作者链 D; PDB构建体 1–257; UniProt 1–257 作者链 E; PDB构建体 1–257; UniProt 1–257 作者链 F; PDB构建体 1–257; UniProt 1–257 作者链 G; PDB构建体 1–257; UniProt 1–257 作者链 H; PDB构建体 1–257; UniProt 1–257 作者链 I; PDB构建体 1–257; UniProt 1–257 作者链 J; PDB构建体 1–257; UniProt 1–257 作者链 K; PDB构建体 1–257; UniProt 1–257 作者链 L; PDB构建体 1–257; UniProt 1–257

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_id7f94
沉积日期 deposition_date2021-07-03
结构标题 titleStructure of C-terminal truncated connexin43/Cx43/GJA1 gap junction intercellular channel with two conformationally different hemichannels
关键词 keywordsCx43, Connexin, Gap junction channel, Gating mechanism, Membrane protein; MEMBRANE PROTEIN
实验方法 methodELECTRON MICROSCOPY
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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。

7f94__assembly_1__model_1

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

下载该曲线 .dat

7f94__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。

7f94__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)49.33 Å
Rg(电子密度)51.03 Å
总 Rg51.06 Å
原子数19128
残基数2352
排除体积350270 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 7f94__assembly_1__model_1 dodecameric (12) 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 (1)

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6. 折叠分类 (SCOP + CATH) 12 domains

CATH v4.4 (12 domains)

结构域编号 domain_id7f94A01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1440 — de novo design (two linked rop proteins)
同源超家族 H-superfamily homologous superfamily80 — Gap junction channel protein cysteine-rich domain
结构域编号 domain_id7f94B01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1440 — de novo design (two linked rop proteins)
同源超家族 H-superfamily homologous superfamily80 — Gap junction channel protein cysteine-rich domain
结构域编号 domain_id7f94C01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1440 — de novo design (two linked rop proteins)
同源超家族 H-superfamily homologous superfamily80 — Gap junction channel protein cysteine-rich domain
结构域编号 domain_id7f94D01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1440 — de novo design (two linked rop proteins)
同源超家族 H-superfamily homologous superfamily80 — Gap junction channel protein cysteine-rich domain
结构域编号 domain_id7f94E01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1440 — de novo design (two linked rop proteins)
同源超家族 H-superfamily homologous superfamily80 — Gap junction channel protein cysteine-rich domain
结构域编号 domain_id7f94F01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1440 — de novo design (two linked rop proteins)
同源超家族 H-superfamily homologous superfamily80 — Gap junction channel protein cysteine-rich domain
结构域编号 domain_id7f94G01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1440 — de novo design (two linked rop proteins)
同源超家族 H-superfamily homologous superfamily80 — Gap junction channel protein cysteine-rich domain
结构域编号 domain_id7f94H01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1440 — de novo design (two linked rop proteins)
同源超家族 H-superfamily homologous superfamily80 — Gap junction channel protein cysteine-rich domain
结构域编号 domain_id7f94I01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1440 — de novo design (two linked rop proteins)
同源超家族 H-superfamily homologous superfamily80 — Gap junction channel protein cysteine-rich domain
结构域编号 domain_id7f94J01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1440 — de novo design (two linked rop proteins)
同源超家族 H-superfamily homologous superfamily80 — Gap junction channel protein cysteine-rich domain
结构域编号 domain_id7f94K01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1440 — de novo design (two linked rop proteins)
同源超家族 H-superfamily homologous superfamily80 — Gap junction channel protein cysteine-rich domain
结构域编号 domain_id7f94L01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1440 — de novo design (two linked rop proteins)
同源超家族 H-superfamily homologous superfamily80 — Gap junction channel protein cysteine-rich domain
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7. 引用文献 (1)