Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/8I1Z 8I1Z: E. coli tryptophanyl-tRNA synthetase bound with a chemical fragment Tryptophan--tRNA ligase1-(2,3-dihydro-1-benzofuran-5-yl)ethanoneSULFATE IONTRYPTOPHANYL-5'AMP e coliwith atrna