Number of G protein structures

Structures Gs Gi/o Gq/11 G12/13 GPa1 Total
Non complexed G protein 25 88 12 7 - 132
Receptor - G protein complexes 69 47 4 - 1 121
Total structures 94 135 16 7 1 253


Number of GPCR-G protein structures (distinct complexes)

Receptor Class Gs Gi/o Gq/11 G12/13 GPa1 Total
Class A 34 (12) 36 (18) 4 (4) - - 74 (34)
Class B1 35 (12) 1 (1) - - - 36 (13)
Class B2 - 2 (1) - - - 2 (1)
Class C - 3 (3) - - - 3 (3)
Class D1 - - - - 1 (1) 1 (1)
Class F - 5 (1) - - - 5 (1)
Class T2 - - - - - 0 (0)


Specific sets of structures can be downloaded from the Structures page.
The latest released structure is from 2021-06-30.


Structural coverage of GPCR-G protein complexes. The five dots depict G protein complex structure presence.


Receptor names:

⬤ Gαs ⬤ Gαi/o ⬤ Gαq/11 ⬤ Gα12/13 ⬤ GPa1