Nomenclature	GluA1	GluA2	GluA3	GluA4
HGNC, UniProt	GRIA1, P42261	GRIA2, P42262	GRIA3, P42263	GRIA4, P48058
Agonists	AMPA (Full agonist), (S)-5-fluorowillardiine (Full agonist)
Selective antagonists	ATPO, GYKI53655, GYKI53784 (active isomer, non-competitive), LY293558, NBQX
Channel Blockers	extracellular argiotoxin, extracellular joro toxin	extracellular argiotoxin	extracellular argiotoxin, extracellular joro toxin	extracellular argiotoxin, extracellular joro toxin
Allosteric Regulators	aniracetam (Positive), CX516 (Positive), CX546 (Positive), cyclothiazide (Positive), IDRA-21 (Positive), LY392098 (Positive), LY404187 (Positive), LY503430 (Positive), piracetam (Positive), S18986 (Positive)
Radioligands (Kd)	[3H]AMPA, [3H]CNQX
Comment	piracetam and aniracetam are examples of pyrrolidinones. cyclothiazide, S18986, and IDRA-21 are examples of benzothiadiazides. CX516 and CX546 are examples of benzylpiperidines. LY392098, LY404187 and LY503430 are examples of biarylpropylsulfonamides. Also blocked by intracellular polyamines