5OLV:
reference: Towards high throughput GPCR crystallography: In Meso soaking of Adenosine A2A Receptor crystals., Rucktooa P, Cheng RKY, Segala E, Geng T, Errey JC, Brown GA, Cooke RM, Marshall FH, Dore AS, Sci Rep. 2018 Jan 8;8(1):41. doi: 10.1038/s41598-017-18570-w. PMID: 29311713

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