RESIDUE 3HU 39 CONECT C 3 O CA OXT CONECT N 3 CA HN HNA CONECT O 2 C HO CONECT CA 4 C N CB HA CONECT CB 4 CA NAZ HB HBA CONECT OAB 1 CAP CONECT OAD 1 CAT CONECT OAE 1 CAU CONECT OAF 2 CAP HOAF CONECT CAH 3 CAI SAO HAH CONECT CAI 3 CAH CAR HAI CONECT CAJ 3 SAN CAV HAJ CONECT CAK 3 SAN CAW HAK CONECT CAL 4 CAR NAY HAL HALA CONECT SAN 2 CAJ CAK CONECT SAO 2 CAH CAS CONECT CAP 3 OAB OAF CAS CONECT CAR 3 CAI CAL CAS CONECT CAS 3 SAO CAP CAR CONECT CAT 3 OAD CAV NAY CONECT CAU 3 OAE NAY NAZ CONECT CAV 3 CAJ CAT CAW CONECT CAW 3 CAK CAV NAZ CONECT NAY 3 CAL CAT CAU CONECT NAZ 3 CB CAU CAW CONECT OXT 1 C CONECT HN 1 N CONECT HNA 1 N CONECT HO 1 O CONECT HA 1 CA CONECT HB 1 CB CONECT HBA 1 CB CONECT HOAF 1 OAF CONECT HAH 1 CAH CONECT HAI 1 CAI CONECT HAJ 1 CAJ CONECT HAK 1 CAK CONECT HAL 1 CAL CONECT HALA 1 CAL END HET 3HU 39 HETNAM 3HU (S)-1-(2'-AMINO-2'-CARBOXYETHYL)-3-[(2-CARBOXYTHIEN-3-Y HETNAM 2 3HU L)METHYL]THIENO[3,4-D]PYRIMIDIN-2,4-DIONE FORMUL 3HU C15 H13 N3 O6 S2