Fig. 4

Activation of Aze by Hs ProRS and Hs AlaRS. a Formation of [³²P]-ATP by 0.25 μM Hs ProRS with either 1 mM Pro, Ala, or Aze. b Formation of [³²P]-ATP by 0.25 μM Hs AlaRS with either 1 mM Ala, Ser, or Aze. c Formation of [³²P]-ATP by 0.5 µM Hs AlaRS with either 1 mM Ser, Aze, Thr, or Pro. (Error bars represent s.d.)