RESIDUE MSA 17 CONECT N 3 CA CN HN CONECT CA 4 N C SB HA CONECT C 3 CA O OXT CONECT O 1 C CONECT OXT 2 C HXT CONECT CN 4 N 1HN 2HN 3HN CONECT SB 2 CA CG CONECT CG 4 SB 1HG 2HG 3HG CONECT HN 1 N CONECT HA 1 CA CONECT HXT 1 OXT CONECT 1HN 1 CN CONECT 2HN 1 CN CONECT 3HN 1 CN CONECT 1HG 1 CG CONECT 2HG 1 CG CONECT 3HG 1 CG END HET MSA 17 HETNAM MSA (2-S-METHYL) SARCOSINE FORMUL MSA C4 H9 N1 O2 S1