RESIDUE 193 28 CONECT N 3 CA H H2 CONECT CA 4 N CB C HA CONECT CB 4 CA CG HB2 HB1 CONECT CG 4 CB ND HG2 HG1 CONECT ND 3 CG CE HD CONECT CE 3 ND OE CZ CONECT OE 1 CE CONECT CZ 4 CE CT HZ2 HZ1 CONECT CT 4 CZ NH HT2 HT1 CONECT NH 3 CT HH HH2 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 HB2 1 CB CONECT HB1 1 CB CONECT HG2 1 CG CONECT HG1 1 CG CONECT HD 1 ND CONECT HZ2 1 CZ CONECT HZ1 1 CZ CONECT HT2 1 CT CONECT HT1 1 CT CONECT HH 1 NH CONECT HH2 1 NH CONECT HXT 1 OXT END HET 193 28 HETNAM 193 (2S)-4-(BETA-ALANYLAMINO)-2-AMINOBUTANOIC ACID FORMUL 193 C7 H15 N3 O3