trans,hydroxyproline,proline
Proline
389614-63-5L-Proline,L-methionyl-L-tryptophyl-L-histidyl-L-methionyl-L-threonyl-L-valyl-L-prolyl-L-a-glutamylglycyl-L-leucyl-L-prolyl-L-seryl-L-arginyl-L-lysyl-
488728-47-8L-Proline,L-prolyl-L-lysyl-L-phenylalanyl-L-arginyl-L-seryl-L-leucyl-L-threonyl-L-histidyl-L-a-glutamyl-L-a-aspartyl-L-histidyl-L-alanyl-L-isoleucyl-L-glutaminyl-L-prolyl-L-glutaminyl-L-asparaginyl-L-phenylalanyl-L-methionyl-
840466-64-0L-Proline,L-phenylalanyl-L-leucyl-L-tyrosyl-L-isoleucyl-L-isoleucyl-L-lysyl-L-leucyl-L-valyl-L-phenylalanyl-L-leucyl-L-tryptophyl-L-leucyl-L-leucyl-L-tryptophyl-