RESIDUE 1DA 33 CONECT O5' 2 C5' HO5' CONECT C5' 4 O5' C4' H5'1 H5'2 CONECT C4' 4 C5' O4' C3' H4' CONECT O4' 2 C4' C1' CONECT C3' 4 C4' O3' C2' H3' CONECT O3' 2 C3' HO3' CONECT C2' 4 C3' O2' C1' H2' CONECT O2' 2 C2' HO2' CONECT C1' 4 O4' C2' N9 H1' CONECT N9 3 C1' C8 C4 CONECT C8 3 N9 N7 H8 CONECT N7 2 C8 C5 CONECT C5 3 N7 C6 C4 CONECT C6 3 C5 N6 C1 CONECT N6 3 C6 HN61 HN62 CONECT C1 3 C6 C2 H1 CONECT C2 3 C1 N3 H2 CONECT N3 2 C2 C4 CONECT C4 3 N9 C5 N3 CONECT HO5' 1 O5' CONECT H5'1 1 C5' CONECT H5'2 1 C5' CONECT H4' 1 C4' CONECT H3' 1 C3' CONECT HO3' 1 O3' CONECT H2' 1 C2' CONECT HO2' 1 O2' CONECT H1' 1 C1' CONECT H8 1 C8 CONECT HN61 1 N6 CONECT HN62 1 N6 CONECT H1 1 C1 CONECT H2 1 C2 END HET 1DA 33 HETNAM 1DA 1-DEAZA-ADENOSINE FORMUL 1DA C11 H14 N4 O4