RESIDUE 45F 23 CONECT CB 4 CA CG HB3 HB2 CONECT CD 4 CG N HD2 HD3 CONECT C 3 O CA OXT CONECT O 1 C CONECT CA 4 CB C N HA CONECT CG 4 CB CD O48 HG2 CONECT N 3 CD CA H CONECT O48 2 CG C49 CONECT C49 4 O48 C50 H49 H50 CONECT C50 2 C49 C51 CONECT C51 2 C50 H51 CONECT HB3 1 CB CONECT HB2 1 CB CONECT HD2 1 CD CONECT HD3 1 CD CONECT HA 1 CA CONECT HG2 1 CG CONECT H49 1 C49 CONECT H50 1 C49 CONECT H51 1 C51 CONECT H 1 N CONECT OXT 2 C HXT CONECT HXT 1 OXT END HET 45F 23 HETNAM 45F (4S)-4-(prop-2-yn-1-yloxy)-L-proline FORMUL 45F C8 H11 N O3