Ribonuclease NT (RNase NT), induced upon tobacco mosaic virus (TMV) infection in Nicotiana glutinosa leaves, has a broad base specificity. The crystal structures of RNase NT in complex with either 5'-AMP, 5'-GMP, or 2'-UMP were determined at 1.8 A resolutions by molecular replacement. RNase NT
Ribonuclease NW (RNase NW), the wound-inducible RNase in Nicotiana glutinosa leaves, preferentially cleaves guanylic acid. We expressed the cDNA encoding RNase NW in the methylotrophic yeast Pichia pastoris using the expression vector pPIC9K, and the resulting recombinant RNase NW (ryRNaseNW)
The ribonuclease MC1 (RNase MC1), isolated from seeds of bitter gourd (Momordica charantia), consists of 190 amino acids and is characterized by specific cleavage at the 5'-side of uridine. Site-directed mutagenesis was used to evaluate the contribution of four amino acids, Asn71, Val72, Leu73, and
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