>6Z2B_1|Chains A, B, C, D|Ribonuclease M5|Geobacillus stearothermophilus (1422) GGSMKIKEVIVVEGKDDTAAIRRAVDADTIETNGAAVGAEVIERIKLAKERRGVIIFTDPDFPGEKIRRTIAEQVPGCKHAFLPREAAKARSGKGIGVEHASPDDIRQALANVYEE