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An unnatural base pair for incorporating amino acid analogs into proteins. Ichiro Hirao et al. Nature biotechnology, 20(2) 177-182. MEC Seminar Su Dong Kim 2003. 7. 1. Unnatural base pair of s-y expands the genetic code. s : 2-amino-6- (2-thienyl) purine y : pyridin-2-one
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An unnatural base pair for incorporating amino acid analogs into proteins Ichiro Hirao et al. Nature biotechnology, 20(2) 177-182 MEC Seminar Su Dong Kim 2003. 7. 1.
Unnatural base pair of s-yexpands the genetic code s : 2-amino-6- (2-thienyl) purine y : pyridin-2-one yAG codon • ClTyr : Chlorotyrosine ras protein
Fig. 1 The unnatural x-y (A) and s-y (C), and noncognate x-T (B) and s-T (D) base pairs
Fig. 2 T7 transcription employing s-y pairing
Fig. 3 The transcription-translation system involving the s-y base pair
Fig. 4 Preparation of aminoacylated tRNACUs
Fig. 5a Autoradiogram of in vitro transcription-translation products labeled with I-[14C] leucine
Fig. 5b LC patterns of the products digested by Lys-C
Fig. 5c Tandem mass spectrum of F-cY32 fragment