RESIDUE 2DF 27 CONECT P 4 O1P O2P O3P O5' CONECT O1P 1 P CONECT O2P 2 P HOP2 CONECT O3P 2 P HOP3 CONECT O5' 2 P C5' CONECT C5' 4 O5' C4' H5'1 H5'2 CONECT C4' 4 C5' O4' C3' H4' CONECT O4' 2 C4' C1' CONECT C1' 4 O4' N1 C2' H1' CONECT N1 3 C1' C2 H1 CONECT C2 3 N1 O2 H2 CONECT O2 1 C2 CONECT C3' 4 C4' C2' O3' H3' CONECT C2' 4 C1' C3' H2'1 H2'2 CONECT O3' 2 C3' H3T CONECT HOP2 1 O2P CONECT HOP3 1 O3P CONECT H5'1 1 C5' CONECT H5'2 1 C5' CONECT H4' 1 C4' CONECT H1' 1 C1' CONECT H1 1 N1 CONECT H2 1 C2 CONECT H3' 1 C3' CONECT H2'1 1 C2' CONECT H2'2 1 C2' CONECT H3T 1 O3' END HET 2DF 27 HETNAM 2DF N-(2-DEOXY-BETA-D-ERYTHO-PENTOFURANOSYL-5-PHOSPHATE) FO HETNAM 2 2DF RMAMIDE FORMUL 2DF C6 H12 N1 O7 P1