GUANINE non-polymer HETAIN C5 H5 N5 O 0 1999-07-08 2011-06-04 N REL 151.126 GUN N N 1A95 RCSB N9 N 0 1 Y N N 21.941 136.531 25.878 1.510 -0.000 -1.787 N9 GUN 1 C8 C 0 1 Y N N 21.044 137.546 26.063 0.519 -0.000 -2.725 C8 GUN 2 N7 N 0 1 Y N N 20.498 137.541 27.246 -0.642 0.000 -2.139 N7 GUN 3 C5 C 0 1 Y N N 21.069 136.467 27.904 -0.466 0.000 -0.795 C5 GUN 4 C6 C 0 1 N N N 20.916 136.038 29.251 -1.345 0.001 0.313 C6 GUN 5 O6 O 0 1 N N N 20.209 136.514 30.139 -2.554 0.001 0.152 O6 GUN 6 N1 N 0 1 N N N 21.729 134.946 29.500 -0.812 -0.004 1.554 N1 GUN 7 C2 C 0 1 N N N 22.595 134.365 28.587 0.540 0.000 1.723 C2 GUN 8 N2 N 0 1 N N N 23.344 133.355 29.014 1.053 0.001 2.996 N2 GUN 9 N3 N 0 1 N N N 22.735 134.775 27.329 1.367 0.000 0.701 N3 GUN 10 C4 C 0 1 Y N N 21.949 135.833 27.063 0.912 0.000 -0.556 C4 GUN 11 HN9 H 0 1 N N N 22.486 136.336 25.038 2.464 -0.001 -1.961 HN9 GUN 12 H8 H 0 1 N N N 20.780 138.311 25.313 0.675 -0.000 -3.794 H8 GUN 13 HN1 H 0 1 N N N 21.686 134.535 30.432 -1.395 -0.004 2.330 HN1 GUN 14 1HN2 H 0 0 N N N 23.981 132.927 28.342 2.013 0.000 3.131 HN21 GUN 15 2HN2 H 0 0 N N N 22.743 132.635 29.415 0.455 0.005 3.759 HN22 GUN 16 sing Y N 1 sing Y N 2 sing N N 3 doub Y N 4 sing N N 5 sing Y N 6 sing N N 7 doub Y N 8 doub N N 9 sing N N 10 sing N N 11 sing N N 12 sing N N 13 doub N N 14 sing N N 15 sing N N 16 sing N N 17 O=C1c2ncnc2N=C(N1)N NC1=Nc2[nH]cnc2C(=O)N1 NC1=Nc2[nH]cnc2C(=O)N1 c1[nH]c2c(n1)C(=O)NC(=N2)N c1[nH]c2c(n1)C(=O)NC(=N2)N InChI=1S/C5H5N5O/c6-5-9-3-2(4(11)10-5)7-1-8-3/h1H,(H4,6,7,8,9,10,11) UYTPUPDQBNUYGX-UHFFFAOYSA-N 2-amino-1,9-dihydro-6H-purin-6-one 2-amino-1,9-dihydropurin-6-one RCSB RCSB