Peptide sequence: EDRLKVIPKL NCVFTVETDG FISYIYGSKF QLRSSERSAK KFKAKGTIDL Sequence homology: Cow: 100%; Dog: 100%; Guinea Pig: 100%; Horse: 100%; Human: 100%; Mouse: 93%; Rabbit: 100%; Rat: 100%; Yeast: 91%; Zebrafish: 92%. POP4 is a part of ribonuclease