RESIDUE 3AL 17 CONECT C4 4 C5 N9 N3 H4 CONECT C5 3 C4 O5 N7 CONECT O5 1 C5 CONECT N7 3 C5 C8 HN7 CONECT C8 3 N7 O8 N9 CONECT O8 1 C8 CONECT N9 3 C4 C8 HN9 CONECT N3 3 C4 C2 HN3 CONECT C2 3 N3 N1 O2 CONECT N1 3 C2 HN11 HN12 CONECT O2 1 C2 CONECT H4 1 C4 CONECT HN7 1 N7 CONECT HN9 1 N9 CONECT HN3 1 N3 CONECT HN11 1 N1 CONECT HN12 1 N1 END HET 3AL 17 HETSYN 3AL (S)-ALLANTOIN HETNAM 3AL 1-[(4S)-2,5-DIOXOIMIDAZOLIDIN-4-YL]UREA FORMUL 3AL C4 H6 N4 O3