RESIDUE 2KY 23 CONECT C 3 CA O OXT CONECT CA 4 C N C33 HA CONECT N 3 CA H H2 CONECT O 1 C CONECT C33 4 CA C34 C37 H33 CONECT C34 4 C33 C35 H341 H342 CONECT C35 4 C34 C36 H352 H351 CONECT C36 4 C35 C37 H361 H362 CONECT C37 4 C33 C36 H371 H372 CONECT HA 1 CA CONECT H 1 N CONECT H33 1 C33 CONECT H341 1 C34 CONECT H342 1 C34 CONECT H352 1 C35 CONECT H351 1 C35 CONECT H361 1 C36 CONECT H362 1 C36 CONECT H371 1 C37 CONECT H372 1 C37 CONECT H2 1 N CONECT OXT 2 C HXT CONECT HXT 1 OXT END HET 2KY 23 HETNAM 2KY (2S)-amino(cyclopentyl)ethanoic acid FORMUL 2KY C7 H13 N O2