Table 2.

Agonist-bound X-ray structures used for site-mapping. The PDB ID, ligand name, and resolution, interesting features, and references are shown.

PDB ID	Ligand	Resolution in Å	Interesting Features	Reference
2YDO	Adenosine	3.0		[12]
2YDV	NECA-agonist	2.6		[12]
3QAK	UKA-agonist	2.71	Lipid Interactions	[13]
4UG2 –Subunit A	NGI -agonist	2.6	Lipid Interactions, Two Subunits Crystallized	[14]
4UG2 – Subunit B	NGI -agonist	2.6	Lipid Interactions, Two Subunits Crystallized	[14]
5G53 – Subunit A	NECA + G protein	3.4	Two Subunits Crystallized	[15]
5G53 – Subunit B	NECA + G protein	3.4	Two Subunits Crystallized	[15]