F. Maynard, Benjamin Bass, Chloe Katanski, Chris Thakur, Kiran Manoogian, Beth Leander, Megan Nichols, Ruthann SPKQDFMRF-NH<sub>2</sub> ligand-receptor contact sites <sup>a</sup>. a<p>One-letter amino acid codes followed by 1–9 are in the peptide; other numbers are in the receptor.</p> ligand-receptor;sites 2013-09-17
    https://plos.figshare.com/articles/dataset/_SPKQDFMRF_NH_2_ligand_receptor_contact_sites_a_/801298
10.1371/journal.pone.0075502.t010