G Protein-coupled receptors

 Ion channels

 Nuclear receptors

   Thyroid hormone like receptors

     Thyroid hormone receptor (THR)

     Retinoic acid receptor (RAR)

       NR1B (RAR) [HSA:5914 5915 5916] [KO:K08527 K08528 K08529]

       NR1B1 (RARA) [HSA:5914] [KO:K08527]

       NR1B2 (RARB) [HSA:5915] [KO:K08528]

       NR1B3 (RARG) [HSA:5916] [KO:K08529]

       PML-RARA [HSA:5371 5914] [KO:K10054 K08527]

     Peroxisome proliferator-activated receptor (PPAR)

     RAR-related orphan receptor

     Liver X receptor like receptor

     Vitamin D3 like receptor

   Hepatocyte nuclear factor 4 like receptors

   Estrogen like receptors

 Protein kinases

 Cytokines and receptors

 Cell surface molecules and ligands

 Transporters

 Enzymes

 Nucleic acids

 Not elsewhere classified