RESIDUE 4WX 21 CONECT O7 1 C7 CONECT C7 2 O7 FE2 CONECT C5 3 FE2 O5 FE1 CONECT O5 1 C5 CONECT C6 2 FE2 N6 CONECT N6 1 C6 CONECT S1 3 FE2 FE1 C1 CONECT S2 3 FE2 FE1 C2 CONECT C3 2 FE1 O3 CONECT O3 1 C3 CONECT C4 2 FE1 N4 CONECT N4 1 C4 CONECT C2 4 S2 S3 H7 H8 CONECT S3 2 C2 C1 CONECT C1 4 S1 S3 H9 H10 CONECT H7 1 C2 CONECT H8 1 C2 CONECT H9 1 C1 CONECT H10 1 C1 END HET 4WX 21 HETSYN 4WX sulfuro-dimethyl-dithiolato-bridged [2Fe2S] cluster HETNAM 4WX bis(cyanido-kappaC)(dicarbonyl)-mu-(oxomethylidene)-mu- HETNAM 2 4WX (sulfanediyldimethanethiolatato-1kappaS:2kappaS)diiron( HETNAM 3 4WX 2+) FORMUL 4WX C7 H4 Fe2 N2 O3 S3 2+