RESIDUE VPE 27 CONECT N1 2 C5 C4 CONECT C7 4 C8 C1 H1 H2 CONECT C8 3 C7 O1 O2 CONECT O1 1 C8 CONECT C1 4 C7 C2 C H3 CONECT C5 3 N1 C6 H4 CONECT C6 3 C5 S H5 CONECT C4 3 N1 N S CONECT C3 3 C2 O N CONECT C2 4 C1 C3 H6 H7 CONECT O2 2 C8 H8 CONECT C 4 C1 H9 H10 H11 CONECT O 1 C3 CONECT N 3 C4 C3 H12 CONECT S 2 C6 C4 CONECT H1 1 C7 CONECT H2 1 C7 CONECT H3 1 C1 CONECT H4 1 C5 CONECT H5 1 C6 CONECT H6 1 C2 CONECT H7 1 C2 CONECT H8 1 O2 CONECT H9 1 C CONECT H10 1 C CONECT H11 1 C CONECT H12 1 N END HET VPE 27 HETNAM VPE (3S)-3-methyl-5-oxo-5-[(1,3-thiazol-2-yl)amino]pentanoi HETNAM 2 VPE c acid FORMUL VPE C9 H12 N2 O3 S