4F8K:
reference: Molecular Analysis of the Prostacyclin Receptor's Interaction with the PDZ1 Domain of Its Adaptor Protein PDZK1., Birrane G, Mulvaney EP, Pal R, Kinsella BT, Kocher O, PLoS One. 2013;8(2):e53819. doi: 10.1371/journal.pone.0053819. Epub 2013 Feb 6. PMID: 23457445

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