RESIDUE 2XP 17 CONECT O3 1 C1 CONECT C1 3 O3 O2 C2 CONECT O2 2 C1 H1 CONECT C2 3 C1 N C3 CONECT N 2 C2 H2 CONECT C3 4 C2 C4 H3 H7 CONECT C4 3 C3 C5 H4 CONECT C5 3 C4 C6 H5 CONECT C6 3 C5 O1 H6 CONECT O1 1 C6 CONECT H1 1 O2 CONECT H2 1 N CONECT H3 1 C3 CONECT H4 1 C4 CONECT H5 1 C5 CONECT H6 1 C6 CONECT H7 1 C3 END HET 2XP 17 HETNAM 2XP (2Z,4Z)-2-imino-6-oxohex-4-enoic acid FORMUL 2XP C6 H7 N1 O3