RESIDUE 52H 55 CONECT C4 3 C5 N3 N9 CONECT C5 3 C4 C6 N7 CONECT C6 3 C5 N1 N6 CONECT C8 3 N9 N7 H8 CONECT N1 2 C6 C2 CONECT N3 2 C4 C2 CONECT CAA 4 CBB HAA HAAA HAAB CONECT CBB 4 CAA CAB CAC CAX CONECT CAB 4 CBB HAB HABA HABB CONECT CAC 4 CBB HAC HACA HACB CONECT CAX 4 CBB OAH CAT HAX CONECT OAH 2 CAX HOAH CONECT CAT 3 CAX OAE NAQ CONECT OAE 1 CAT CONECT NAQ 3 CAT SBE HNAQ CONECT SBE 4 NAQ OAF OAG O5' CONECT OAF 1 SBE CONECT OAG 1 SBE CONECT O5' 2 SBE C5' CONECT C5' 4 O5' C4' H5' H5'A 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 C4 C8 C1' CONECT N7 2 C5 C8 CONECT C2 3 N1 N3 H2 CONECT N6 3 C6 HN6 HN6A CONECT H8 1 C8 CONECT HAA 1 CAA CONECT HAAA 1 CAA CONECT HAAB 1 CAA CONECT HAB 1 CAB CONECT HABA 1 CAB CONECT HABB 1 CAB CONECT HAC 1 CAC CONECT HACA 1 CAC CONECT HACB 1 CAC CONECT HAX 1 CAX CONECT HOAH 1 OAH CONECT HNAQ 1 NAQ CONECT H5' 1 C5' CONECT H5'A 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 H2 1 C2 CONECT HN6 1 N6 CONECT HN6A 1 N6 END HET 52H 55 HETSYN 52H 5'-O-(3,3-Dimethyl-2-hydroxybutyrylsulfamoyl) adenosine HETNAM 52H 5'-O-{[(2R)-2-hydroxy-3,3-dimethylbutanoyl]sulfamoyl}ad HETNAM 2 52H enosine FORMUL 52H C16 H24 N6 O8 S1