RESIDUE AZH 19 CONECT N 3 CA H H2 CONECT CA 4 N CB C HA CONECT CB 4 CA CG HB1C HB2C CONECT CG 4 CB ND HG1C HG2C CONECT ND 2 CG NE CONECT NE 2 ND NZ CONECT NZ 2 NE HZ CONECT C 3 CA O OXT CONECT O 1 C CONECT OXT 2 C HXT CONECT H 1 N CONECT H2 1 N CONECT HA 1 CA CONECT HB1C 1 CB CONECT HB2C 1 CB CONECT HG1C 1 CG CONECT HG2C 1 CG CONECT HZ 1 NZ CONECT HXT 1 OXT END HET AZH 19 HETNAM AZH AZIDOHOMOALANINE FORMUL AZH C4 H9 N4 O2