>1BOX_1|Chain A|GUANYL-SPECIFIC RIBONUCLEASE SA|Streptomyces aureofaciens (1894) DVSGTVCLSALPPEATDTLNLIASDGPFPYSQDGVVFQSRESVLPTQSYGYYHEYTVITPGARTRGTRRIITGEATQEDYYTGDHYATFSLIDQTC