Fig. 1From: Structural similarities and functional differences clarify evolutionary relationships between tRNA healing enzymes and the myelin enzyme CNPasePreparation of expression constructs. Scheme of the constructs prepared for the kinase and phosphodiesterase domains of yeast Trl1 and for lancelet PNK/CPDase. 6H indicates the hexa-histidine tag, and 3C indicates the 3C protease cleavage siteBack to article page