9-[(2R,5R)-5-(HYDROXYMETHYL)TETRAHYDROFURAN-2-YL]-1,9-DIHYDRO-6H-PURIN-6-ONE non-polymer HETAD C10 H12 N4 O3 2',3'-DIDEOXYINOSINE; Didanosine 0 2003-11-11 2020-06-17 N REL 236.227 2DI N Corina N 1V3Q RCSB N9 N 0 1 Y N N -16.959 88.498 0.940 -0.071 0.064 0.055 N9 2DI 1 C4 C 0 1 Y N N -15.724 88.634 0.374 -1.363 -0.363 0.192 C4 2DI 2 N3 N 0 1 N N N -14.511 88.231 0.835 -1.932 -1.526 0.541 N3 2DI 3 C2 C 0 1 N N N -13.531 88.554 0.006 -3.228 -1.656 0.591 C2 2DI 4 N1 N 0 1 N N N -13.723 89.219 -1.172 -4.069 -0.632 0.294 N1 2DI 5 C6 C 0 1 N N N -14.947 89.643 -1.670 -3.577 0.574 -0.068 C6 2DI 6 O6 O 0 1 N N N -15.001 90.250 -2.758 -4.324 1.499 -0.336 O6 2DI 7 C5 C 0 1 Y N N -16.005 89.301 -0.801 -2.170 0.733 -0.126 C5 2DI 8 N7 N 0 1 Y N N -17.345 89.541 -0.932 -1.348 1.761 -0.437 N7 2DI 9 C8 C 0 1 Y N N -17.939 89.035 0.172 -0.111 1.370 -0.331 C8 2DI 10 C5' C 0 1 N N N -18.481 90.631 3.878 4.527 0.549 -0.187 C5' 2DI 11 O5' O 0 1 N N N -19.866 90.756 3.444 4.972 1.038 1.079 O5' 2DI 12 C4' C 0 1 N N S -18.259 89.156 4.150 3.423 -0.488 0.026 C4' 2DI 13 O4' O 0 1 N N N -18.495 88.472 2.886 2.244 0.131 0.585 O4' 2DI 14 C1' C 0 1 N N R -17.283 87.842 2.315 1.135 -0.734 0.288 C1' 2DI 15 C2' C 0 1 N N N -16.208 88.029 3.424 1.496 -1.521 -0.987 C2' 2DI 16 C3' C 0 1 N N N -16.854 88.811 4.630 2.929 -1.047 -1.333 C3' 2DI 17 H2 H 0 1 N N N -12.523 88.276 0.276 -3.647 -2.609 0.877 H2 2DI 18 HN1 H 0 1 N N N -12.912 89.417 -1.723 -5.028 -0.768 0.341 HN1 2DI 19 H8 H 0 1 N N N -18.995 89.055 0.399 0.754 1.989 -0.521 H8 2DI 20 H5'1 H 0 0 N N N -17.800 90.981 3.088 4.138 1.377 -0.780 H5'1 2DI 21 H5'2 H 0 0 N N N -18.313 91.218 4.793 5.363 0.088 -0.713 H5'2 2DI 22 H5' H 0 1 N N N -20.059 91.668 3.259 5.674 1.701 1.020 H5' 2DI 23 H4' H 0 1 N N N -18.987 88.816 4.901 3.775 -1.294 0.670 H4' 2DI 24 H1' H 0 1 N N N -17.456 86.766 2.164 0.970 -1.422 1.117 H1' 2DI 25 H2'1 H 0 0 N N N -15.856 87.045 3.767 1.487 -2.593 -0.789 H2'1 2DI 26 H2'2 H 0 0 N N N -15.359 88.603 3.023 0.807 -1.276 -1.795 H2'2 2DI 27 H3'1 H 0 0 N N N -16.283 89.725 4.852 2.906 -0.263 -2.090 H3'1 2DI 28 H3'2 H 0 0 N N N -16.894 88.177 5.528 3.548 -1.883 -1.658 H3'2 2DI 29 sing Y N 1 sing Y N 2 sing N N 3 sing N N 4 doub Y N 5 doub N N 6 sing N N 7 sing N N 8 sing N N 9 sing N N 10 doub N N 11 sing N N 12 sing Y N 13 doub Y N 14 sing N N 15 sing N N 16 sing N N 17 sing N N 18 sing N N 19 sing N N 20 sing N N 21 sing N N 22 sing N N 23 sing N N 24 sing N N 25 sing N N 26 sing N N 27 sing N N 28 sing N N 29 sing N N 30 sing N N 31 O=C1c2ncn(c2N=CN1)C3OC(CC3)CO InChI=1S/C10H12N4O3/c15-3-6-1-2-7(17-6)14-5-13-8-9(14)11-4-12-10(8)16/h4-7,15H,1-3H2,(H,11,12,16)/t6-,7+/m0/s1 BXZVVICBKDXVGW-NKWVEPMBSA-N OC[C@@H]1CC[C@@H](O1)n2cnc3C(=O)NC=Nc23 OC[CH]1CC[CH](O1)n2cnc3C(=O)NC=Nc23 c1nc2c(n1[C@H]3CC[C@H](O3)CO)N=CNC2=O c1nc2c(n1C3CCC(O3)CO)N=CNC2=O 9-[(2R,5S)-5-(hydroxymethyl)tetrahydrofuran-2-yl]-1,9-dihydro-6H-purin-6-one 9-[(2R,5S)-5-(hydroxymethyl)oxolan-2-yl]-1H-purin-6-one RCSB RCSB RCSB PDBE