3813859 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3813859 > 2 > ChemIDplus > 137540002 > 137540-00-2 Glycoprotein alpha1B (Didelphis virginiana fragment protein moiety reduced) Metalloproteinase inhibitor, opossum Opossum proteinase inhibitor Oprin > 137540-00-2 > 137540002 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=137540002 $$$$