Disclosed herein is pyrroline-carboxy-lysine (PCL), a pyrrolysine analogue, which is a natural, biosynthetically generated amino acid, and methods for biosynthetically generating PCL. Also disclosed herein are proteins, polypeptides and peptides that have PCL incorporated therein and methods for incorporating PCL into such proteins, polypeptides and peptides. Also disclosed herein is the site-specific derivatization of proteins, polypeptides and peptides having PCL or pyrrolysine incorporated therein. Also disclosed herein is the crosslinking of proteins, polypeptides and peptides having PCL or pyrrolysine incorporated therein.
本文披露了一种
吡咯烷酸-半胱
氨酸(PCL),一种类似于
吡咯赖
氨酸的天然
生物合成产生的
氨基酸,并且披露了
生物合成生成PCL的方法。本文还披露了具有PCL的蛋白质、
多肽和肽的方法,并且披露了将PCL纳入这些蛋白质、
多肽和肽中的方法。本文还披露了在具有PCL或
吡咯赖
氨酸的蛋白质、
多肽和肽中进行位点特异性衍生化的方法。本文还披露了在具有PCL或
吡咯赖
氨酸的蛋白质、
多肽和肽中进行交联的方法。