PYRIMIDINE non-polymer HETAIN C4 H4 N2 0 2006-05-02 2011-06-04 REL 80.088 P1R N N RCSB C5 C 0 1 Y N N 19.475 16.976 114.198 0.000 -1.363 0.000 C5 P1R 1 C6 C 0 1 Y N N 18.767 15.860 114.571 1.190 -0.654 0.000 C6 P1R 2 N1 N 0 1 Y N N 18.778 15.486 115.823 1.152 0.669 0.000 N1 P1R 3 C4 C 0 1 Y N N 20.130 17.689 115.174 -1.191 -0.653 0.000 C4 P1R 4 N3 N 0 1 Y N N 20.130 17.255 116.434 -1.151 0.670 0.000 N3 P1R 5 C2 C 0 1 Y N N 19.410 16.170 116.751 0.000 1.311 0.000 C2 P1R 6 H5 H 0 1 N N N 19.516 17.286 113.164 -0.001 -2.443 0.004 H5 P1R 7 H6 H 0 1 N N N 18.208 15.298 113.838 2.137 -1.174 0.000 H6 P1R 8 H4 H 0 1 N N N 20.646 18.603 114.919 -2.138 -1.172 -0.001 H4 P1R 9 H2 H 0 1 N N N 19.348 15.854 117.782 0.001 2.391 0.000 H2 P1R 10 sing Y N 1 doub Y N 2 sing N N 3 doub Y N 4 sing N N 5 sing Y N 6 sing Y N 7 sing N N 8 doub Y N 9 sing N N 10 n1cccnc1 c1cncnc1 c1cncnc1 c1cncnc1 c1cncnc1 InChI=1S/C4H4N2/c1-2-5-4-6-3-1/h1-4H CZPWVGJYEJSRLH-UHFFFAOYSA-N pyrimidine pyrimidine RCSB RCSB