Receptor names:
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    Receptor names:
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    • Receptor-ligand complexes count (from low to high)




    Receptor names:
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    • Structures count (from low to high)






    By class By ligand type The number of unique receptors with structures available. The number of unique receptors GPCR-ligand complexes. The number of structures available. The number of unique receptors with structures. The number of unique GPCR-ligand complexes. The number of structures available.


    Number of structures, including multiple of same receptor (complex)

    Class
    (Family)    		 A (Rhodopsin) B1 (Secretin) B2 (Adhesion) C (Glutamate) D1
    (Ste2-like fungal pheromone)     		F (Frizzled) O1 (fish-like odorant) O2 (tetrapod specific odorant) T2 (Taste 2) Other GPCRs Total
    Receptors 1017 137 32 80 1 22 4 0 3 0 1296
    Receptor - ligand complexes 1015 137 30 80 1 22 4 0 3 0 1292
    Receptor - G protein complexes 522 112 31 8 1 6 2 0 3 0 685
    Active-state receptors* 610 117 31 25 1 7 3 0 3 0 797


    Number of unique receptor complexes

    Class
    (Family)    		 A (Rhodopsin) B1 (Secretin) B2 (Adhesion) C (Glutamate) D1
    (Ste2-like fungal pheromone)     		F (Frizzled) O1 (fish-like odorant) O2 (tetrapod specific odorant) T2 (Taste 2) Other GPCRs Total
    Receptors** 158 15 9 10 1 4 2 0 1 0 200
    Receptor - ligand complexes 669 91 13 49 1 16 3 0 2 0 844
    Receptor - G protein complexes 137 15 9 4 1 2 2 0 1 0 171
    Active-state receptors* 141 15 9 6 1 2 2 0 1 0 177
    *Active state is defined as agonist-bound and opened intracellular TM bundle. **Receptor-orthologues are only counted once.

    Specific sets of structures can be downloaded from the Structures page.
    The latest released structure is from 2024-01-10.