2bcj

Crystal Structure of G Protein-Coupled Receptor Kinase 2 in Complex with Galpha-q and Gbetagamma Subunits

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

G-protein-coupled receptor kinase 2

Bos taurus

UniProt P21146

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 信息不足 异源复合物 蛋白 4 Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P62871) Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P63212) Guanine nucleotide-binding protein G(i) subunit alpha-1, Guanine nucleotide-binding protein G(q) subunit alpha chimera × 1 (P10824,P21279) MAGNESIUM ION × 1 TETRAFLUOROALUMINATE ION × 1 GUANOSINE-5'-DIPHOSPHATE × 1 water × 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 ARBK1_BOVIN
Isoform —
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–689; UniProt 1–689

Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

Bos taurus

UniProt P62871

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 信息不足 异源复合物 蛋白 4 G-protein-coupled receptor kinase 2 × 1 (P21146) Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P63212) Guanine nucleotide-binding protein G(i) subunit alpha-1, Guanine nucleotide-binding protein G(q) subunit alpha chimera × 1 (P10824,P21279) MAGNESIUM ION × 1 TETRAFLUOROALUMINATE ION × 1 GUANOSINE-5'-DIPHOSPHATE × 1 water × 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 GBB1_BOVIN
Isoform —
PDB实体 2
链与序列区间 作者链 B; PDB构建体 2–340; UniProt 2–340

Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

Bos taurus

UniProt P63212

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 信息不足 异源复合物 蛋白 4 G-protein-coupled receptor kinase 2 × 1 (P21146) Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P62871) Guanine nucleotide-binding protein G(i) subunit alpha-1, Guanine nucleotide-binding protein G(q) subunit alpha chimera × 1 (P10824,P21279) MAGNESIUM ION × 1 TETRAFLUOROALUMINATE ION × 1 GUANOSINE-5'-DIPHOSPHATE × 1 water × 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 GBG2_BOVIN
Isoform —
PDB实体 3
链与序列区间 作者链 G; PDB构建体 1–71; UniProt 1–71

Guanine nucleotide-binding protein G(i) subunit alpha-1, Guanine nucleotide-binding protein G(q) subunit alpha chimera

Mus musculus

UniProt P10824

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 信息不足 异源复合物 蛋白 4 G-protein-coupled receptor kinase 2 × 1 (P21146) Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P62871) Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P63212) MAGNESIUM ION × 1 TETRAFLUOROALUMINATE ION × 1 GUANOSINE-5'-DIPHOSPHATE × 1 water × 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 GNAI1_RAT
Isoform —
PDB实体 4
链与序列区间 作者链 Q; PDB构建体 1–28; UniProt 1–28

Guanine nucleotide-binding protein G(i) subunit alpha-1, Guanine nucleotide-binding protein G(q) subunit alpha chimera

Mus musculus

UniProt P21279

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 信息不足 异源复合物 蛋白 4 G-protein-coupled receptor kinase 2 × 1 (P21146) Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 × 1 (P62871) Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 × 1 (P63212) MAGNESIUM ION × 1 TETRAFLUOROALUMINATE ION × 1 GUANOSINE-5'-DIPHOSPHATE × 1 water × 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 GNAQ_MOUSE
Isoform —
PDB实体 4
链与序列区间 作者链 Q; PDB构建体 31–353; UniProt 37–359

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_id2bcj
沉积日期 deposition_date2005-10-19
结构标题 titleCrystal Structure of G Protein-Coupled Receptor Kinase 2 in Complex with Galpha-q and Gbetagamma Subunits
关键词 keywordsPeripheral membrane complex, protein kinase, RGS domain, WD40 protein, heterotrimeric G protein, TRANSFERASE-HYDROLASE COMPLEX; TRANSFERASE/HYDROLASE
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。

2bcj__assembly_1__model_1

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

下载该曲线 .dat

2bcj__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。

2bcj__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)47.31 Å
Rg(电子密度)46.94 Å
总 Rg47.11 Å
原子数10873
残基数1344
排除体积193220 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 2bcj__assembly_1__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 (8)

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6. 折叠分类 (SCOP + CATH) 16 domains

SCOP 2.08 (7 domains)

结构域编号 domain_idd2bcja1
类 Class classa — All alpha proteins
折叠类型 Fold folda.91 — Regulator of G-protein signaling, RGS
超家族 Superfamily superfamilya.91.1 — Regulator of G-protein signaling, RGS
家族 Family familya.91.1.1 — Regulator of G-protein signaling, RGS
结构域编号 domain_idd2bcja2
类 Class classb — All beta proteins
折叠类型 Fold foldb.55 — PH domain-like barrel
超家族 Superfamily superfamilyb.55.1 — PH domain-like
家族 Family familyb.55.1.1 — Pleckstrin-homology domain (PH domain)
结构域编号 domain_idd2bcja3
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.144 — Protein kinase-like (PK-like)
超家族 Superfamily superfamilyd.144.1 — Protein kinase-like (PK-like)
家族 Family familyd.144.1.7 — Protein kinases, catalytic subunit
结构域编号 domain_idd2bcjb_
类 Class classb — All beta proteins
折叠类型 Fold foldb.69 — 7-bladed beta-propeller
超家族 Superfamily superfamilyb.69.4 — WD40 repeat-like
家族 Family familyb.69.4.1 — WD40-repeat
结构域编号 domain_idd2bcjg_
类 Class classa — All alpha proteins
折叠类型 Fold folda.137 — Non-globular all-alpha subunits of globular proteins
超家族 Superfamily superfamilya.137.3 — Transducin (heterotrimeric G protein), gamma chain
家族 Family familya.137.3.1 — Transducin (heterotrimeric G protein), gamma chain
结构域编号 domain_idd2bcjq1
类 Class classa — All alpha proteins
折叠类型 Fold folda.66 — Transducin (alpha subunit), insertion domain
超家族 Superfamily superfamilya.66.1 — Transducin (alpha subunit), insertion domain
家族 Family familya.66.1.1 — Transducin (alpha subunit), insertion domain
结构域编号 domain_idd2bcjq2
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.37.1.8 — G proteins

CATH v4.4 (9 domains)

结构域编号 domain_id2bcjA01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology287 — Helix Hairpins
同源超家族 H-superfamily homologous superfamily1270 —
结构域编号 domain_id2bcjA02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology167 — Regulator of G-protein Signalling 4; domain 2
同源超家族 H-superfamily homologous superfamily10 — Regulator of G-protein Signalling 4, domain 2
结构域编号 domain_id2bcjA03
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology200 — Phosphorylase Kinase; domain 1
同源超家族 H-superfamily homologous superfamily20 — Phosphorylase Kinase; domain 1
结构域编号 domain_id2bcjA04
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology510 — Transferase(Phosphotransferase); domain 1
同源超家族 H-superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1
结构域编号 domain_id2bcjA05
类 Class class2 — Mainly Beta
架构 Architecture architecture30 — Roll
拓扑 Topology topology29 — PH-domain like
同源超家族 H-superfamily homologous superfamily30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
结构域编号 domain_id2bcjB00
类 Class class2 — Mainly Beta
架构 Architecture architecture130 — 7 Propeller
拓扑 Topology topology10 — Methylamine Dehydrogenase; Chain H
同源超家族 H-superfamily homologous superfamily10 — YVTN repeat-like/Quinoprotein amine dehydrogenase
结构域编号 domain_id2bcjG00
类 Class class4 — Few Secondary Structures
架构 Architecture architecture10 — Irregular
拓扑 Topology topology260 — G Protein Gi Gamma 2
同源超家族 H-superfamily homologous superfamily10 — Transducin (heterotrimeric G protein), gamma chain
结构域编号 domain_id2bcjQ01
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_id2bcjQ02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology400 — GI Alpha 1, domain 2-like
同源超家族 H-superfamily homologous superfamily10 — GI Alpha 1, domain 2-like
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7. 引用文献 (1)