RESIDUE 1KK 39 CONECT C02 3 C03 N01 N23 CONECT C03 3 C02 C04 N20 CONECT C04 3 C03 N05 N21 CONECT C06 4 C07 N05 H1 H2 CONECT C07 4 C06 C08 H3 H4 CONECT C08 4 C07 O09 H5 H6 CONECT C10 4 C11 C16 O09 H7 CONECT C11 4 C10 P12 H8 H9 CONECT C16 3 C10 O17 O18 CONECT C19 3 N05 N20 H10 CONECT C22 3 N21 N23 H11 CONECT N01 3 C02 H12 H13 CONECT N05 3 C04 C06 C19 CONECT N20 2 C03 C19 CONECT N21 2 C04 C22 CONECT N23 2 C02 C22 CONECT O09 2 C08 C10 CONECT O13 1 P12 CONECT O14 2 P12 H14 CONECT O15 2 P12 H15 CONECT O17 2 C16 H16 CONECT O18 1 C16 CONECT P12 4 C11 O13 O14 O15 CONECT H1 1 C06 CONECT H2 1 C06 CONECT H3 1 C07 CONECT H4 1 C07 CONECT H5 1 C08 CONECT H6 1 C08 CONECT H7 1 C10 CONECT H8 1 C11 CONECT H9 1 C11 CONECT H10 1 C19 CONECT H11 1 C22 CONECT H12 1 N01 CONECT H13 1 N01 CONECT H14 1 O14 CONECT H15 1 O15 CONECT H16 1 O17 END HET 1KK 39 HETNAM 1KK (S)-2-(3-(6-amino-9H-purin-9-yl)propoxy)-3-phosphonopro HETNAM 2 1KK panoic acid FORMUL 1KK C11 H16 N5 O6 P1