RESIDUE 7YL 14 CONECT C 3 O CA OXT CONECT O 1 C CONECT CA 4 C N CB HA CONECT N 3 CA CD H CONECT CB 3 CA CG HB CONECT CG 3 CB CD HG CONECT CD 3 N CG OE CONECT OE 1 CD CONECT HA 1 CA CONECT H 1 N CONECT HB 1 CB CONECT HG 1 CG CONECT OXT 2 C HXT CONECT HXT 1 OXT END HET 7YL 14 HETNAM 7YL (2R)-5-oxidanylidene-1,2-dihydropyrrole-2-carboxylic ac HETNAM 2 7YL id FORMUL 7YL C5 H5 N1 O3