>4J5G_1|Chains A, B|Guanyl-specific ribonuclease Sa|Streptomyces aureofaciens (1894)
DVSGTVCLSALPPEATDTLNLIASDGPFPYSQDGVVFQNRESVLPTQSYGYYHEYTVITPGARTRGTRRIITGEATQEDYYTGDHYATFSLIDQAC