RESIDUE 4IN 29 CONECT N 3 CA H H2 CONECT CA 4 N CB C HA CONECT CB 4 CA CG HB2 HB3 CONECT CG 3 CB CD1 CD2 CONECT CD1 3 CG NE1 HD1 CONECT NE1 3 CD1 CE2 HE1 CONECT CE2 3 NE1 CZ2 CD2 CONECT CZ2 3 CE2 CH2 HZ2 CONECT CH2 3 CZ2 CZ3 HH2 CONECT CZ3 3 CH2 CE3 HZ3 CONECT CE3 3 CZ3 N16 CD2 CONECT N16 3 CE3 H161 H162 CONECT CD2 3 CG CE2 CE3 CONECT C 3 CA OXT O CONECT OXT 2 C HO1 CONECT O 1 C CONECT H 1 N CONECT H2 1 N CONECT HA 1 CA CONECT HB2 1 CB CONECT HB3 1 CB CONECT HD1 1 CD1 CONECT HE1 1 NE1 CONECT HZ2 1 CZ2 CONECT HH2 1 CH2 CONECT HZ3 1 CZ3 CONECT H161 1 N16 CONECT H162 1 N16 CONECT HO1 1 OXT END HET 4IN 29 HETSYN 4IN 2-AMINO-3-(4-AMINO-1H-INDOL-3-YL)PROPANOIC ACID HETNAM 4IN 4-AMINO-L-TRYPTOPHAN FORMUL 4IN C11 H13 N3 O2