Number of G protein structures

Structures Gs Gi/o Gq/11 G12/13 GPa1 Total
Non complexed G protein 26 83 12 7 - 128
Receptor - G protein complexes 67 44 4 - 1 116
Total structures 93 127 16 7 1 244


Number of GPCR-G protein structures (distinct complexes)

Receptor Class Gs Gi/o Gq/11 G12/13 GPa1 Total
Class A 32 (12) 35 (17) 4 (4) - - 71 (33)
Class B1 35 (12) 1 (1) - - - 36 (13)
Class B2 - 2 (1) - - - 2 (1)
Class C - 1 (1) - - - 1 (1)
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 2021-05-26.


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