RESIDUE 2SA 49 CONECT PA 4 O1A O2A O3A O5' CONECT O1A 2 PA HO1 CONECT O2A 2 PA H2A CONECT O3A 1 PA CONECT O5' 2 PA C5' CONECT C5' 4 O5' C4' HC51 HC52 CONECT C4' 4 C5' O4' C3' HC4 CONECT O4' 2 C4' C1' CONECT C1' 4 O4' N9 C2' HC1 CONECT N9 3 C1' C4 C8 CONECT C4 3 N9 N3 C5 CONECT N3 2 C4 C2 CONECT C2 3 N3 N1 HC2 CONECT N1 2 C2 C6 CONECT C6 3 N1 N6 C5 CONECT N6 3 C6 C61 HN6 CONECT C61 4 N6 C62 C63 H61 CONECT C62 3 C61 O65 O66 CONECT C63 4 C61 C64 H631 H632 CONECT C64 3 C63 O67 O68 CONECT O65 1 C62 CONECT O66 2 C62 H66 CONECT O67 2 C64 H67 CONECT O68 1 C64 CONECT C5 3 C4 C6 N7 CONECT N7 2 C5 C8 CONECT C8 3 N9 N7 HC8 CONECT C2' 4 C1' O2' C3' H2' CONECT O2' 2 C2' HO2 CONECT C3' 4 C4' C2' O3' HC3 CONECT O3' 2 C3' HO3 CONECT HO1 1 O1A CONECT H2A 1 O2A CONECT HC51 1 C5' CONECT HC52 1 C5' CONECT HC4 1 C4' CONECT HC1 1 C1' CONECT HC2 1 C2 CONECT HN6 1 N6 CONECT H61 1 C61 CONECT H631 1 C63 CONECT H632 1 C63 CONECT H66 1 O66 CONECT H67 1 O67 CONECT HC8 1 C8 CONECT H2' 1 C2' CONECT HO2 1 O2' CONECT HC3 1 C3' CONECT HO3 1 O3' END HET 2SA 49 HETSYN 2SA ADENYLOSUCCINIC ACID HETNAM 2SA 2-[9-(3,4-DIHYDROXY-5-PHOSPHONOOXYMETHYL-TETRAHYDRO-FUR HETNAM 2 2SA AN-2-YL)-9H-PURIN-6-YLAMINO]-SUCCINIC ACID FORMUL 2SA C14 H18 N5 O11 P1