Number of G protein structures

Structures Gs Gi/o Gq/11 G12/13 GPa1 Total
Non complexed G protein 28 87 13 7 - 135
Receptor - G protein complexes 77 53 4 - 1 135
Total structures 105 140 17 7 1 270


Number of GPCR-G protein structures (distinct complexes)

Receptor Class Gs Gi/o Gq/11 G12/13 GPa1 Total
Class A 36 (13) 41 (20) 4 (4) - - 81 (37)
Class B1 40 (13) 1 (1) - - - 41 (14)
Class B2 - 2 (1) - - - 2 (1)
Class C - 4 (3) - - - 4 (3)
Class D1 - - - - 1 (1) 1 (1)
Class F 1 (1) 5 (1) - - - 6 (2)
Class T2 - - - - - 0 (0)


Specific sets of structures can be downloaded from the Structures page.
The latest released structure is from 2021-08-04.


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