2BCJ
Crystal Structure of G Protein-Coupled Receptor Kinase 2 in Complex with Galpha-q and Gbetagamma Subunits
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A | G-protein-coupled receptor kinase 2 | polymer | 689 | 79749.9 | 1 | UniProt (P21146) Pfam (PF00615) Pfam (PF00069) Pfam (PF00169) In PDB | Bos taurus (Bovine) | Beta-ARK-1, Beta-adrenergic receptor kinase 1 |
2 | B | Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 | polymer | 340 | 37311.8 | 1 | UniProt (P62871) Pfam (PF00400) In PDB | Bos taurus (Bovine) | Transducin beta chain 1 |
3 | G | Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 | polymer | 71 | 7845.1 | 1 | UniProt (P63212) Pfam (PF00631) In PDB | Bos taurus (Bovine) | G gamma-I |
4 | Q | Guanine nucleotide-binding protein G(i) subunit alpha-1, Guanine nucleotide-binding protein G(q) subunit alpha chimera | polymer | 353 | 41298.9 | 1 | UniProt (P10824) UniProt (P21279) Pfam (PF00503) In PDB | Rattus norvegicus (Rat) | Adenylate cyclase-inhibiting G alpha protein,Guanine nucleotide-binding protein alpha-q |
5 | Q | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
6 | Q | TETRAFLUOROALUMINATE ION | non-polymer | 103.0 | 1 | Chemie (ALF) | |||
7 | Q | GUANOSINE-5'-DIPHOSPHATE | non-polymer | 443.2 | 1 | Chemie (GDP) | |||
8 | water | water | 18.0 | 5 | Chemie (HOH) |
Sequence modifications
A: 1 - 689 (UniProt: P21146)
B: 2 - 340 (UniProt: P62871)
G: 1 - 71 (UniProt: P63212)
Q: 7 - 34 (UniProt: P10824)
Q: 37 - 359 (UniProt: P21279)
PDB | External Database | Details |
---|---|---|
Ala 670 | Ser 670 | engineered mutation |
PDB | External Database | Details |
---|---|---|
Ace 1 | - | acetylation |
PDB | External Database | Details |
---|---|---|
Ser 68 | Cys 68 | engineered mutation |
PDB | External Database | Details |
---|---|---|
Arg 35 | - | linker |
Ser 36 | - | linker |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 4 |
Total formula weight | 166205.7 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 570.5 | |
All* | Total formula weight | 166776.1 |