RESIDUE 66E 25 CONECT C1 4 N C2 H1 H3 CONECT N 3 C1 CA H CONECT CA 4 N CB C HA CONECT CB 4 CA CG1 CG2 H6 CONECT CG1 4 CB H7 H8 H9 CONECT CG2 4 CB H10 H11 H12 CONECT C 3 CA O OXT CONECT O 1 C CONECT C2 4 C1 H14 H15 H16 CONECT H1 1 C1 CONECT H3 1 C1 CONECT H 1 N CONECT HA 1 CA CONECT H6 1 CB CONECT H7 1 CG1 CONECT H8 1 CG1 CONECT H9 1 CG1 CONECT H10 1 CG2 CONECT H11 1 CG2 CONECT H12 1 CG2 CONECT H14 1 C2 CONECT H15 1 C2 CONECT H16 1 C2 CONECT OXT 2 C HXT CONECT HXT 1 OXT END HET 66E 25 HETNAM 66E N-ethyl-L-valine FORMUL 66E C7 H15 N O2