6.1.1.9 additional information - additional information kcat for tRNAVal mutants, loss of the electrostatically interactions between the coiled-coil domain of the enzyme and base A20 and tertiary bas pair G19.C56 increases the kcat for aminoacylation by 19fold 653871 6.1.1.9 additional information - additional information rate of hydrolysis of Thr-tRNAVal and Val-tRNAVal by wild-type and mutant enzyme, incorporation of amino acids valine and threonine into the enzyme 650122 6.1.1.9 0.06 - L-valyl-tRNAVal DELTA32-71 mutant 693165 6.1.1.9 0.064 - L-valine aminoacylation reaction, His-tagged K277A mutant enzyme, pH 7.5, 25°C 650122 6.1.1.9 0.074 - L-valine at pH and °C 727894 6.1.1.9 0.2 - L-valyl-tRNAVal - 693165 6.1.1.9 0.28 - ATP pH 7.5, 37°C, mutant D286A, in presence of tRNA 715519 6.1.1.9 0.34 - ATP pH 7.5, 37°C, mutant K277P, in presence of tRNA 715519 6.1.1.9 0.36 - tRNAVal C-terminally truncated mutant enzyme, pH 7.7, 65°C 653871 6.1.1.9 0.48 - ATP pH 7.5, 37°C, mutant K277P/D286A, in presence of tRNA 715519