RESIDUE 00B 21 CONECT C 3 O CA OXT CONECT N 3 CA CD HN CONECT O 1 C CONECT CA 4 C N CB HA CONECT CB 4 CA CG1 CG2 SG3 CONECT CD 4 N SG3 HD HDA CONECT CG1 4 CB HG1 HG1A HG1B CONECT CG2 4 CB HG2 HG2A HG2B CONECT SG3 2 CB CD CONECT OXT 2 C HXT CONECT HN 1 N CONECT HA 1 CA CONECT HD 1 CD CONECT HDA 1 CD CONECT HG1 1 CG1 CONECT HG1A 1 CG1 CONECT HG1B 1 CG1 CONECT HG2 1 CG2 CONECT HG2A 1 CG2 CONECT HG2B 1 CG2 CONECT HXT 1 OXT END HET 00B 21 HETNAM 00B (4R)-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid FORMUL 00B C6 H11 N1 O2 S1