sequence data for the hg ( ii ) reductase region of the related mer operon of the transposon , tn501 [ brown , n.l. , ford , s.j. , pridmore , r.d . and fritzinger , d.c. , biochemistry 22 ( 1983 ) 4089-4095 ] , shows a second reading frame very rich in cysteine and arginine which overlaps the amino-terminal 20 kdal of the hg ( ii ) reductase structural gene .
C0030016
reductase
C1335186
reductase