RESIDUE A1P 35 CONECT P 4 O1P O2P O5' HP1 CONECT O1P 1 P CONECT O2P 2 P H2P CONECT O5' 2 P C5' CONECT N9 3 C4 C8 C1' CONECT C4 3 N9 N3 C5 CONECT N3 2 C4 C2 CONECT C2 3 N3 N2 N1 CONECT N2 3 C2 H2N1 H2N2 CONECT N1 2 C2 C6 CONECT C6 3 N1 C5 H6 CONECT C5 3 C4 C6 N7 CONECT N7 2 C5 C8 CONECT C8 3 N9 N7 H8 CONECT C2' 4 C1' C3' H2'1 H2'2 CONECT C5' 4 O5' C4' H5'1 H5'2 CONECT C4' 4 C5' O4' C3' H4' CONECT O4' 2 C4' C1' CONECT C1' 4 N9 C2' O4' H1' CONECT C3' 4 C2' C4' O3' H3' CONECT O3' 2 C3' HA CONECT H2P 1 O2P CONECT H2N1 1 N2 CONECT H2N2 1 N2 CONECT H6 1 C6 CONECT H8 1 C8 CONECT H2'1 1 C2' CONECT H2'2 1 C2' CONECT H5'1 1 C5' CONECT H5'2 1 C5' CONECT H4' 1 C4' CONECT H1' 1 C1' CONECT H3' 1 C3' CONECT HA 1 O3' CONECT HP1 1 P END HET A1P 35 HETNAM A1P 9-{2-DEOXY-5-O-[HYDROXY(OXIDO)PHOSPHINO]-BETA-L-ERYTHRO HETNAM 2 A1P -PENTOFURANOSYL}-9H-PURIN-2-AMINE FORMUL A1P C10 H14 N5 O5 P1