Structure and function relationship of murine insulin-like peptide 5 (INSL5): free C-terminus is essential for RXFP4 receptor binding and activation.
Belgi A, Hossain MA, Shabanpoor F, Chan L, Zhang S, Bathgate RA, Tregear GW, Wade JD. Biochemistry. 2011 Oct 4; 50(39):8352-61. Epub 2011 Sep 8.