RESIDUE YSC 56 CONECT N 3 CA H1 H2 CONECT CA 4 N CB C H4 CONECT CB 4 CA CG H5 H6 CONECT CG 3 CB CD2 CD1 CONECT CD2 3 CG CE2 H7 CONECT CE2 3 CD2 CZ H8 CONECT CZ 3 CE2 OH CE1 CONECT OH 2 CZ H9 CONECT CE1 3 CZ CD1 H10 CONECT CD1 3 CG CE1 H11 CONECT C 3 CA O NAT CONECT O 1 C CONECT NAT 3 C SBI H12 CONECT SBI 4 NAT OAD OAE O5' CONECT OAD 1 SBI CONECT OAE 1 SBI CONECT O5' 2 SBI C5' CONECT C5' 4 O5' C4' H13 H14 CONECT C4' 4 C5' O4' C3' H15 CONECT O4' 2 C4' C1' CONECT C1' 4 O4' C2' N1 H16 CONECT C2' 4 C1' O2' C3' H17 CONECT O2' 2 C2' H18 CONECT C3' 4 C4' C2' O3' H19 CONECT O3' 2 C3' H20 CONECT N1 3 C1' C6 C2 CONECT C6 3 N1 C5 H21 CONECT C5 3 C6 C4 H22 CONECT C4 3 C5 N4 N3 CONECT N4 3 C4 H23 H24 CONECT N3 2 C4 C2 CONECT C2 3 N1 N3 O2 CONECT O2 1 C2 CONECT H1 1 N CONECT H2 1 N CONECT H4 1 CA CONECT H5 1 CB CONECT H6 1 CB CONECT H7 1 CD2 CONECT H8 1 CE2 CONECT H9 1 OH CONECT H10 1 CE1 CONECT H11 1 CD1 CONECT H12 1 NAT CONECT H13 1 C5' CONECT H14 1 C5' CONECT H15 1 C4' CONECT H16 1 C1' CONECT H17 1 C2' CONECT H18 1 O2' CONECT H19 1 C3' CONECT H20 1 O3' CONECT H21 1 C6 CONECT H22 1 C5 CONECT H23 1 N4 CONECT H24 1 N4 END HET YSC 56 HETNAM YSC [(2~{R},3~{S},4~{R},5~{R})-5-(4-azanyl-2-oxidanylidene- HETNAM 2 YSC pyrimidin-1-yl)-3,4-bis(oxidanyl)oxolan-2-yl]methyl ~{N HETNAM 3 YSC }-[(2~{S})-2-azanyl-3-(4-hydroxyphenyl)propanoyl]sulfam HETNAM 4 YSC ate FORMUL YSC C18 H23 N5 O9 S1