RESIDUE 9FB 20 CONECT C 3 O C63 OXT CONECT O 1 C CONECT C63 4 C C66 CA H1 CONECT C66 4 C63 C62 H6 H3 CONECT C62 4 C66 C61 H4 H5 CONECT CA 4 C63 C61 N HA CONECT C61 4 C62 CA H7 H8 CONECT N 3 CA H H2 CONECT OXT 2 C HXT CONECT H1 1 C63 CONECT H6 1 C66 CONECT H3 1 C66 CONECT H4 1 C62 CONECT H5 1 C62 CONECT HA 1 CA CONECT H7 1 C61 CONECT H8 1 C61 CONECT H 1 N CONECT H2 1 N CONECT HXT 1 OXT END HET 9FB 20 HETNAM 9FB (1~{S},2~{R})-2-azanylcyclopentane-1-carboxylic acid FORMUL 9FB C6 H11 N O2