RESIDUE PVO 13 CONECT CAB 3 OAD CAC OXT CONECT OAD 1 CAB CONECT CAC 4 CAB CAE OAG OAF CONECT CAE 4 CAC H4 H5 H6 CONECT OAG 2 CAC H7 CONECT OAF 2 CAC H8 CONECT H4 1 CAE CONECT H5 1 CAE CONECT H6 1 CAE CONECT H7 1 OAG CONECT H8 1 OAF CONECT OXT 2 CAB HXT CONECT HXT 1 OXT END HET PVO 13 HETNAM PVO 2,2-bis(oxidanyl)propanoic acid FORMUL PVO C3 H6 O4