Erratum to: Amino Acids (2014) 46:1681–1696 DOI 10.1007/s00726-014-1728-9

In the original publication of the article, there is a swap between the first and the family name of Prof. Pavle Andjus in the author group. The correct author group is given below:

Minu Karthika Ganesan, Milos Jovanovic, Bojana Secerov, Marija Ignjatovic, Martin Bilban, Pavle Andjus, Amal El Refaei, Gangsoo Jung, Lin Li, Ajinkya Sase, Weiqiang Chen, Goran Bacic, Gert Lubec