Nomenclature	http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=1294	http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=1295	http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=1296
Common abbreviation	PDE1A	PDE1B	PDE1C
HGNC, UniProt	https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:8774, http://www.uniprot.org/uniprot/P54750	https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:8775, http://www.uniprot.org/uniprot/Q01064	https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:8776, http://www.uniprot.org/uniprot/Q14123
EC number	http://www.genome.jp/dbget‐bin/www_bget?ec:3.1.4.17	http://www.genome.jp/dbget‐bin/www_bget?ec:3.1.4.17	http://www.genome.jp/dbget‐bin/www_bget?ec:3.1.4.17
Rank order of affinity	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=2347 > http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=2352	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=2347 > http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=2352	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=2347 = http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=2352
Endogenous activators	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=2351 (https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:1442 https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:1445 https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:1449, http://www.uniprot.org/uniprot/P62158)	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=2351 (https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:1442 https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:1445 https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:1449, http://www.uniprot.org/uniprot/P62158)	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=2351 (https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:1442 https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:1445 https://www.genenames.org/data/gene‐symbol‐report/#!/hgnc_id/HGNC:1449, http://www.uniprot.org/uniprot/P62158)
Endogenous inhibitors	–	–	–
Inhibitors	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=9151 (pIC50 5.2) [http://www.ncbi.nlm.nih.gov/pubmed/19303290?dopt=AbstractPlus]	–	–
Sub/family‐selective inhibitors	–	–	–
Selective inhibitors	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=5270 (pIC50 7.2) [http://www.ncbi.nlm.nih.gov/pubmed/8961086?dopt=AbstractPlus], http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=5285 (pIC50 5.1) [http://www.ncbi.nlm.nih.gov/pubmed/8557689?dopt=AbstractPlus]	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=5270 (pIC50 7.2) [http://www.ncbi.nlm.nih.gov/pubmed/8961086?dopt=AbstractPlus]	http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=5270 (pIC50 7.2) [http://www.ncbi.nlm.nih.gov/pubmed/8961086?dopt=AbstractPlus], vinpocetine (pIC50 4.3) [http://www.ncbi.nlm.nih.gov/pubmed/8557689?dopt=AbstractPlus]
Comments	–	–	–