Fold: RNase A-like

contains long curved beta-sheet and 3 helices

Lineage:

1. Root: scop
2. Class: Alpha and beta proteins (a+b)
   Mainly antiparallel beta sheets (segregated alpha and beta regions)
3. Fold: RNase A-like
   contains long curved beta-sheet and 3 helices

Superfamilies:

1. RNase A-like (1)
   can be classified as disulphide-rich
   1. Ribonuclease A-like (11)
      1. Ribonuclease A (also ribonuclease B, S)
         1. Cow (Bos taurus) (93)
         2. Human (Homo sapiens) (1)
         3. Rat (Rattus norvegicus) (1)
      2. P-30 protein
         1. Frog (Rana pipiens) (1)
      3. Cytotoxic ribonuclease
         1. Bullfrog (Rana catesbeiana) (1)
      4. Seminal ribonucleasease
         1. Cow (Bos taurus) (3)
      5. Hybrid between ribonuclease A and seminal ribonuclease
         1. Cow (Bos taurus) (1)
      6. Eosinophil cationic protein (ECP), ribonuclease 3
         1. Human (Homo sapiens) (2)
      7. Ribonuclease 4
         1. Human (Homo sapiens) (2)
      8. Angiogenin
         1. Human (Homo sapiens) (7)
         2. Cow (Bos taurus) (2)