RESIDUE 129 18 CONECT P 4 O1P O2P O3P C4 CONECT O1P 1 P CONECT O2P 2 P HOP2 CONECT O3P 2 P HOP3 CONECT C4 4 P C3 H41 H42 CONECT C3 4 C4 N2 H31 H32 CONECT N2 3 C3 C1 O2 CONECT C1 3 N2 O1 H1 CONECT O1 1 C1 CONECT O2 2 N2 HO2 CONECT HOP2 1 O2P CONECT HOP3 1 O3P CONECT H41 1 C4 CONECT H42 1 C4 CONECT H31 1 C3 CONECT H32 1 C3 CONECT H1 1 C1 CONECT HO2 1 O2 END HET 129 18 HETNAM 129 [2(FORMYL-HYDROXY-AMINO)-ETHYL]-PHOSPHONIC ACID FORMUL 129 C3 H8 N1 O5 P1