PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12527768-3 2003 Recombinant RNase 7 is ribonucleolytically active against yeast tRNA, as expected from the presence of eight conserved cysteines and the catalytic histidine-lysine- histidine triad which are signature motifs of this superfamily. Cysteine 119-128 ribonuclease A family member 7 Homo sapiens 12-19