1 / 9

An unnatural base pair for incorporating amino acid analogs into proteins

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

kemal
Download Presentation

An unnatural base pair for incorporating amino acid analogs into proteins

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. 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.

  2. 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

  3. Fig. 1 The unnatural x-y (A) and s-y (C), and noncognate x-T (B) and s-T (D) base pairs

  4. Fig. 2 T7 transcription employing s-y pairing

  5. Fig. 3 The transcription-translation system involving the s-y base pair

  6. Fig. 4 Preparation of aminoacylated tRNACUs

  7. Fig. 5a Autoradiogram of in vitro transcription-translation products labeled with I-[14C] leucine

  8. Fig. 5b LC patterns of the products digested by Lys-C

  9. Fig. 5c Tandem mass spectrum of F-cY32 fragment

More Related