Untapped Resources: Biotechnological Potential of Peptides and Secondary Metabolites in Archaea

Figure 1

Structure of DKPs known to be produced by the archaeon H. hispanica. (a) Cyclo(D-prolyl-L-tyrosine), (b) cyclo(L-prolyl-L-tyrosine), (c) cyclo(L-prolyl-L-valine), (d) cyclo(L-prolyl-L-phenylalanine), and (e) cyclo(L-prolyl-L-isoleucine).

(a)

(b)

(c)

(d)

(e)