RESIDUE 3S4 27 CONECT C 4 C1 H HA HB CONECT O 2 C3 HO CONECT P 4 O3 O4 O5 O6 CONECT C1 4 C C2 O3 C4 CONECT O1 2 C5 HO1 CONECT C2 4 C1 C3 H2 H2A CONECT O2 1 C5 CONECT C3 4 O C2 H3 H3A CONECT O3 2 P C1 CONECT C4 4 C1 C5 H4 H4A CONECT O4 1 P CONECT C5 3 O1 O2 C4 CONECT O5 2 P HO5 CONECT O6 2 P HO6 CONECT H 1 C CONECT HA 1 C CONECT HB 1 C CONECT HO 1 O CONECT HO1 1 O1 CONECT H2 1 C2 CONECT H2A 1 C2 CONECT H3 1 C3 CONECT H3A 1 C3 CONECT H4 1 C4 CONECT H4A 1 C4 CONECT HO5 1 O5 CONECT HO6 1 O6 END HET 3S4 27 HETNAM 3S4 (3R)-5-hydroxy-3-methyl-3-(phosphonooxy)pentanoic acid FORMUL 3S4 C6 H13 O7 P1