RESIDUE YCP 20 CONECT C 3 O CA OXT CONECT N 3 CA CE H CONECT O 1 C CONECT CA 4 C N CB HA CONECT CB 4 CA CG HB HBA CONECT CD 4 CE CG HD HDA CONECT CE 4 N CD HE HEA CONECT CG 4 CB CD HG HGA CONECT OXT 2 C HXT CONECT H 1 N CONECT HA 1 CA CONECT HB 1 CB CONECT HBA 1 CB CONECT HD 1 CD CONECT HDA 1 CD CONECT HE 1 CE CONECT HEA 1 CE CONECT HG 1 CG CONECT HGA 1 CG CONECT HXT 1 OXT END HET YCP 20 HETNAM YCP (2S)-piperidine-2-carboxylic acid FORMUL YCP C6 H11 N O2