Number of G protein structures

Structures	Gs	Gi/o	Gq/11	G12/13	GPa1	Total
Non complexed G protein	32	85	12	6	-	135
Receptor - G protein complexes	382	462	133	15	1	993
Total structures	414	547	145	21	1	1128

Number of GPCR-G protein structures (distinct complexes)

Receptor Class	Gs	Gi/o	Gq/11	G12/13	GPa1	Total
Class A	238 (51)	420 (131)	121 (52)	7 (5)	-	786 (239)
Class B1	118 (15)	2 (2)	3 (2)	-	-	123 (19)
Class B2	14 (7)	6 (3)	4 (3)	8 (7)	-	32 (20)
Class C	1 (1)	13 (7)	4 (1)	-	-	18 (9)
Class D1	-	-	-	-	1 (1)	1 (1)
Class F	5 (3)	5 (1)	1 (1)	-	-	11 (5)
Class T2	-	16 (3)	-	-	-	16 (3)

Specific sets of structures can be downloaded from the Structures page.
The latest released structure is from 2025-01-01.

Structural coverage of GPCR-G protein complexes.