C13 H14 N4 O2 258.276 (5S)-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-7-oxa-1-azaspiro[4.4]nonan-6-one N 0 Corina N 2026-09-04 15QT N 2026-10-30 RCSB REL HETAIN A1PRP non-polymer C1 0 -46.712 -29.305 5.062 1 Y C13 A1PRP N -1.409 -0.073 0.563 1 N C C2 0 -48.694 -28.831 6.052 1 Y C11 A1PRP N -2.855 -1.735 1.033 2 N C C3 0 -48.124 -29.101 4.834 1 Y C12 A1PRP N -1.585 -1.352 1.247 3 N C C4 0 -43.816 -31.610 2.860 1 N C1 A1PRP N 1.002 -0.571 -1.199 4 N C C5 0 -46.492 -29.160 6.454 1 Y C10 A1PRP N -2.646 0.226 -0.037 5 N C C6 0 -42.107 -30.310 2.011 1 N C2 A1PRP N 1.788 -2.588 -0.435 6 N C C7 0 -43.395 -29.550 1.700 1 N C3 A1PRP N 2.018 -1.610 0.741 7 N C C8 0 -44.544 -30.474 2.121 1 N C4 A1PRP N 1.718 -0.251 0.087 8 S C C9 0 -45.309 -30.986 0.891 1 N C5 A1PRP N 3.025 0.507 -0.189 9 N C C10 0 -46.468 -30.004 0.700 1 N C6 A1PRP N 3.109 1.496 1.005 10 N C C11 0 -46.743 -29.433 2.096 1 N C7 A1PRP N 1.616 1.842 1.233 11 N C C12 0 -45.550 -29.616 4.302 1 Y C8 A1PRP N -0.346 0.829 0.398 12 N C C13 0 -44.301 -29.554 6.262 1 Y C9 A1PRP N -1.734 2.169 -0.866 13 N C N1 0 -45.590 -29.811 2.911 1 N N1 A1PRP N 0.890 0.580 0.969 14 N N N2 0 -44.352 -29.734 4.942 1 Y N2 A1PRP N -0.556 1.928 -0.320 15 N N N3 0 -45.302 -29.276 7.096 1 Y N3 A1PRP N -2.759 1.355 -0.734 16 N N N4 0 -47.711 -28.874 7.027 1 Y N4 A1PRP N -3.499 -0.800 0.266 17 N N O1 0 -44.360 -32.511 3.491 1 N O1 A1PRP N 0.637 0.242 -2.014 18 N O O2 0 -42.507 -31.479 2.706 1 N O2 A1PRP N 0.837 -1.900 -1.302 19 N O H1 0 -49.739 -28.619 6.223 1 N H13 A1PRP N -3.301 -2.645 1.408 20 N H H2 0 -48.634 -29.152 3.884 1 N H14 A1PRP N -0.839 -1.887 1.816 21 N H H3 0 -41.586 -30.577 1.080 1 N H1 A1PRP N 2.724 -2.769 -0.965 22 N H H4 0 -41.444 -29.698 2.640 1 N H2 A1PRP N 1.367 -3.526 -0.077 23 N H H5 0 -43.432 -28.610 2.271 1 N H3 A1PRP N 1.325 -1.813 1.557 24 N H H6 0 -43.458 -29.328 0.624 1 N H4 A1PRP N 3.050 -1.655 1.089 25 N H H7 0 -45.690 -32.002 1.070 1 N H6 A1PRP N 3.875 -0.175 -0.186 26 N H H8 0 -44.657 -30.989 0.005 1 N H5 A1PRP N 2.967 1.045 -1.136 27 N H H9 0 -46.183 -29.201 0.004 1 N H7 A1PRP N 3.536 1.012 1.884 28 N H H10 0 -47.356 -30.526 0.314 1 N H8 A1PRP N 3.679 2.385 0.737 29 N H H11 0 -46.839 -28.338 2.051 1 N H10 A1PRP N 1.454 2.165 2.262 30 N H H12 0 -47.665 -29.865 2.512 1 N H9 A1PRP N 1.296 2.618 0.537 31 N H H13 0 -43.324 -29.645 6.713 1 N H11 A1PRP N -1.864 3.076 -1.439 32 N H H14 0 -47.864 -28.720 8.003 1 N H12 A1PRP N -4.424 -0.856 -0.020 33 N H N 1 N sing N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N sing N 8 N sing N 9 N sing N 10 N sing N 11 N doub N 12 N sing Y 13 N doub Y 14 N sing Y 15 N sing Y 16 N doub Y 17 N sing Y 18 N doub Y 19 N sing Y 20 N doub Y 21 N sing Y 22 N sing N 23 N sing N 24 N sing N 25 N sing N 26 N sing N 27 N sing N 28 N sing N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N sing N 34 N sing N 35 N sing N 36 N sing RCSB RCSB O=C1OCCC11CCCN1c1ncnc2[NH]ccc21 InChI=1S/C13H14N4O2/c18-12-13(4-7-19-12)3-1-6-17(13)11-9-2-5-14-10(9)15-8-16-11/h2,5,8H,1,3-4,6-7H2,(H,14,15,16)/t13-/m0/s1 QTYPXUSKADANKN-ZDUSSCGKSA-N O=C1OCC[C@@]12CCCN2c3ncnc4[nH]ccc34 O=C1OCC[C]12CCCN2c3ncnc4[nH]ccc34 c1c[nH]c2c1c(ncn2)N3CCC[C@@]34CCOC4=O c1c[nH]c2c1c(ncn2)N3CCCC34CCOC4=O (5S)-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-7-oxa-1-azaspiro[4.4]nonan-6-one (5~{S})-1-(7~{H}-pyrrolo[2,3-d]pyrimidin-4-yl)-7-oxa-1-azaspiro[4.4]nonan-6-one