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
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氨酸(PCL),它是一种天然的类似
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氨酸的
氨基酸,通过
生物合成生成,并且揭示了
生物合成生成PCL的方法。本文还披露了具有PCL的蛋白质、
多肽和肽段,以及将PCL纳入这些蛋白质、
多肽和肽段中的方法。本文还披露了具有PCL或
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氨酸的蛋白质、
多肽和肽段的位点特异性衍生化。本文还披露了具有PCL或
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氨酸的蛋白质、
多肽和肽段的交联。