Grotenbreg, G. M., Timmer, M. S. M., Llamas-Saiz, A. L., Verdoes, M., van der Marel, G. A., van Raaij, M. J., Overkleeft, H. S., & Overhand, M. (2004). An Unusual Reverse Turn Structure Adopted by a Furanoid Sugar Amino Acid Incorporated in Gramicidin S. Journal of the American Chemical Society, 126(11), 3444–3446. https://doi.org/10.1021/ja0397254
