RESIDUE 3OH 12 CONECT C1 3 O1 O2 C2 CONECT O1 1 C1 CONECT O2 2 C1 HO2 CONECT C2 4 C1 C3 H21 H22 CONECT C3 4 C2 O3 H31 H32 CONECT O3 2 C3 HO3 CONECT HO2 1 O2 CONECT H21 1 C2 CONECT H22 1 C2 CONECT H31 1 C3 CONECT H32 1 C3 CONECT HO3 1 O3 END HET 3OH 12 HETNAM 3OH 3-HYDROXY-PROPANOIC ACID FORMUL 3OH C3 H6 O3