RESIDUE 5AB 31 CONECT B1 4 O2 O3 O4 C6 CONECT C1 4 N1 C2 C3 C9 CONECT N1 3 C1 H1N1 H2N1 CONECT O1 2 C2 H17 CONECT C2 3 C1 O1 O5 CONECT O2 2 B1 HO2 CONECT C3 4 C1 C4 H13 H23 CONECT O3 2 B1 HO3 CONECT C4 4 C3 C5 H14 H24 CONECT O4 2 B1 HO4 CONECT C5 4 C4 C6 H15 H25 CONECT O5 1 C2 CONECT C6 4 B1 C5 H16 H26 CONECT C9 4 C1 H19 H29 H39 CONECT H1N1 1 N1 CONECT H2N1 1 N1 CONECT HO2 1 O2 CONECT H13 1 C3 CONECT H23 1 C3 CONECT HO3 1 O3 CONECT H14 1 C4 CONECT H24 1 C4 CONECT HO4 1 O4 CONECT H15 1 C5 CONECT H25 1 C5 CONECT H16 1 C6 CONECT H26 1 C6 CONECT H19 1 C9 CONECT H29 1 C9 CONECT H39 1 C9 CONECT H17 1 O1 END HET 5AB 31 HETNAM 5AB [(5S)-5-amino-5-carboxyhexyl](trihydroxy)borate FORMUL 5AB C7 H17 B1 N1 O5 1-