Abstract
To gain insight into the catalytic mechanism of non-ribosomal amino acid transferases, peptidyl-RNA conjugates were synthesized for co-crystallization with FemXWv of Weissella viridescens, which transfers L-Ala from Ala-tRNAAla to the peptidoglycan precursor UDP-MurNAc-pentapeptide. The structure of the resulting complex and mutational studies revealed the mechanism by which FemXWv binds its substrates for substrate-assisted catalysis and stabilization of the tetrahedral intermediate.
| Original language | English |
|---|---|
| Pages (from-to) | 7278-7281 |
| Number of pages | 4 |
| Journal | Angewandte Chemie - International Edition |
| Volume | 52 |
| Issue number | 28 |
| DOIs | |
| Publication status | Published - 8 Jul 2013 |
| Externally published | Yes |
Keywords
- reaction mechanisms
- nucleoprotein complexes
- peptidoglycan
- peptidyl-RNA conjugates
- transferase
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