Immunogen sequence: MSLDIQSLDI QCEELSDARW AELLPLLQQC QVVRLDDCGL TEARCKDISS ALRVNPALAE LNLRSNELGD VGVHCVLQGL QTPSCKIQKL SLQNCCLT Highest antigen sequence identity to the following orthologs: Mouse - 76%, Rat - 76%. RNH1 is the inhibitor of pancreatic RNas