RESIDUE 1IA 37 CONECT C02 3 C07 N01 N03 CONECT C04 3 N03 N05 H1 CONECT C06 3 C07 N05 N10 CONECT C07 3 C02 C06 N08 CONECT C09 3 N08 N10 H2 CONECT C11 4 C12 N10 H3 H4 CONECT C12 4 C11 N13 H5 H6 CONECT C14 4 C15 C20 N13 H7 CONECT C15 4 C14 P16 H8 H9 CONECT C20 3 C14 O21 O22 CONECT N01 3 C02 H10 H11 CONECT N03 2 C02 C04 CONECT N05 2 C04 C06 CONECT N08 2 C07 C09 CONECT N10 3 C06 C09 C11 CONECT N13 3 C12 C14 H12 CONECT O17 1 P16 CONECT O18 2 P16 H14 CONECT O19 2 P16 H15 CONECT O21 1 C20 CONECT O22 2 C20 H16 CONECT P16 4 C15 O17 O18 O19 CONECT H1 1 C04 CONECT H2 1 C09 CONECT H3 1 C11 CONECT H4 1 C11 CONECT H5 1 C12 CONECT H6 1 C12 CONECT H7 1 C14 CONECT H8 1 C15 CONECT H9 1 C15 CONECT H10 1 N01 CONECT H11 1 N01 CONECT H12 1 N13 CONECT H14 1 O18 CONECT H15 1 O19 CONECT H16 1 O22 END HET 1IA 37 HETNAM 1IA (2~{R})-2-[2-(6-aminopurin-9-yl)ethylamino]-3-phosphono HETNAM 2 1IA -propanoic acid FORMUL 1IA C10 H15 N6 O5 P1