RESIDUE 4KU 48 CONECT OAE 2 SBA H19 CONECT SBA 4 OAE OAA OAB CAY CONECT OAA 1 SBA CONECT OAB 1 SBA CONECT CAY 3 SBA CAO CAW CONECT CAO 3 CAY CAU H1 CONECT CAU 3 CAO NAS CAK CONECT NAS 3 CAU CAI H2 CONECT CAI 4 NAS SAG H3 H4 CONECT SAG 2 CAI H5 CONECT CAK 3 CAU CAM H6 CONECT CAM 3 CAK CAW H7 CONECT CAW 3 CAY CAM CAQ CONECT CAQ 4 CAW CAR H8 H9 CONECT CAR 4 CAQ CAX H10 H11 CONECT CAX 3 CAR CAN CAZ CONECT CAN 3 CAX CAL H12 CONECT CAL 3 CAN CAV H13 CONECT CAV 3 CAL NAT CAP CONECT NAT 3 CAV CAJ H14 CONECT CAJ 4 NAT SAH H15 H16 CONECT SAH 2 CAJ H17 CONECT CAP 3 CAV CAZ H18 CONECT CAZ 3 CAX CAP SBB CONECT SBB 4 CAZ OAF OAD OAC CONECT OAF 1 SBB CONECT OAD 1 SBB CONECT OAC 2 SBB H20 CONECT H1 1 CAO CONECT H2 1 NAS CONECT H3 1 CAI CONECT H4 1 CAI CONECT H5 1 SAG CONECT H6 1 CAK CONECT H7 1 CAM CONECT H8 1 CAQ CONECT H9 1 CAQ CONECT H10 1 CAR CONECT H11 1 CAR CONECT H12 1 CAN CONECT H13 1 CAL CONECT H14 1 NAT CONECT H15 1 CAJ CONECT H16 1 CAJ CONECT H17 1 SAH CONECT H18 1 CAP CONECT H19 1 OAE CONECT H20 1 OAC END HET 4KU 48 HETNAM 4KU 2,2'-ethane-1,2-diylbis{5-[(sulfanylmethyl)amino]benzen HETNAM 2 4KU esulfonic acid} FORMUL 4KU C16 H20 N2 O6 S4