RESIDUE 3AA 75 CONECT PA 4 O1A O2A O5B O3 CONECT O1A 2 PA HA1 CONECT O2A 1 PA CONECT O5B 2 PA C5B CONECT C5B 4 O5B C4B H5'1 H5'2 CONECT C4B 4 C5B O4B C3B H'4 CONECT O4B 2 C4B C1B CONECT C1B 4 O4B N9A C2B H'1 CONECT N9A 3 C1B C4A C8A CONECT C4A 3 N9A N3A C5A CONECT N3A 2 C4A C2A CONECT C2A 3 N3A N1A H2 CONECT N1A 2 C2A C6A CONECT C6A 3 N1A N6A C5A CONECT N6A 3 C6A HN61 HN62 CONECT C5A 3 C4A C6A N7A CONECT N7A 2 C5A C8A CONECT C8A 3 N9A N7A H8 CONECT C2B 4 C1B O2B C3B H'2 CONECT O2B 2 C2B P2B CONECT P2B 4 O2B O1X O2X O3X CONECT O1X 1 P2B CONECT O2X 2 P2B H0P2 CONECT O3X 2 P2B H0P3 CONECT C3B 4 C4B C2B O3B H'3 CONECT O3B 2 C3B HA3' CONECT O3 2 PA PN CONECT PN 4 O3 O1N O2N O5D CONECT O1N 1 PN CONECT O2N 2 PN HN1 CONECT O5D 2 PN C5D CONECT C5D 4 O5D C4D H15' H25' CONECT C4D 4 C5D O4D C3D HC4' CONECT O4D 2 C4D C1D CONECT C3D 4 C4D O3D C2D H3' CONECT O3D 2 C3D HO3' CONECT C2D 4 C3D O2D C1D H2' CONECT O2D 2 C2D HO2' CONECT C1D 4 O4D C2D N1N H1' CONECT N1N 3 C1D C2N C6N CONECT C2N 3 N1N C3N HC2 CONECT C4N 3 C5N C3N HC4 CONECT C5N 3 C4N C6N HC5 CONECT C6N 3 N1N C5N HC6 CONECT C3N 3 C2N C4N N7N CONECT N7N 3 C3N HN71 HN72 CONECT HA1 1 O1A CONECT H5'1 1 C5B CONECT H5'2 1 C5B CONECT H'4 1 C4B CONECT H'1 1 C1B CONECT H2 1 C2A CONECT HN61 1 N6A CONECT HN62 1 N6A CONECT H8 1 C8A CONECT H'2 1 C2B CONECT H0P2 1 O2X CONECT H0P3 1 O3X CONECT H'3 1 C3B CONECT HA3' 1 O3B CONECT HN1 1 O2N CONECT H15' 1 C5D CONECT H25' 1 C5D CONECT HC4' 1 C4D CONECT H3' 1 C3D CONECT HO3' 1 O3D CONECT H2' 1 C2D CONECT HO2' 1 O2D CONECT H1' 1 C1D CONECT HC2 1 C2N CONECT HC4 1 C4N CONECT HC5 1 C5N CONECT HC6 1 C6N CONECT HN71 1 N7N CONECT HN72 1 N7N END HET 3AA 75 HETSYN 3AA ADENOSINE 5'-(TRIHYDROGEN DIPHOSPHATE) 2'-(DIHYDROGEN P HETSYN 2 3AA HOSPHATE)ESTER WITH 3-(AMINO)-1-BETA-D-RIBOFURANOSYLPYR HETSYN 3 3AA IDINIUM INNER SALT HETNAM 3AA 3-AMINOPYRIDINE-ADENINE DINUCLEOTIDE PHOSPHATE FORMUL 3AA C20 H29 N7 O16 P3 1+