FORMAMIDE L-peptide NH3 amino terminus HETAIN C H3 N O 0 2006-09-21 2011-06-04 REL 45.041 ARF N N RCSB N N 0 1 N N N 19.174 18.470 -23.140 0.982 -0.250 -0.049 N ARF 1 C C 0 1 N N N 19.117 19.151 -24.221 1.566 -1.032 0.912 C ARF 2 O O 0 1 N N N 18.842 20.454 -24.189 1.014 -1.504 1.898 O ARF 3 1HN H 0 1 N N N 18.992 19.039 -22.338 -0.003 -0.020 0.032 HN1 ARF 4 2HN H 0 1 N N N 19.376 17.491 -23.101 1.509 0.106 -0.840 HN2 ARF 5 H H 0 1 N N N 19.294 18.665 -25.169 2.634 -1.199 0.697 H ARF 6 sing N N 1 sing N N 2 sing N N 3 doub N N 4 sing N N 5 O=CN NC=O NC=O C(=O)N C(=O)N InChI=1S/CH3NO/c2-1-3/h1H,(H2,2,3) ZHNUHDYFZUAESO-UHFFFAOYSA-N formamide methanamide RCSB RCSB