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. 2004 Jun;186(11):3599–3608. doi: 10.1128/JB.186.11.3599-3608.2004

TABLE 3.

Effect of changes in potential zinc finger residues on Q activity

Amino acidsubstitutiona In vivo activity (% WT λQ)b
C118S 9.2
C121S 8.9
C144S 9.1
C147S 7.6
C118H 8.0
C121H 7.1
C144H 8.0
C147H 8.4
C121A 6.5
C53S 50.0
C108S 85.0
C191A 86.4
a

Codon changes are TGC(Cys)→AGC(Ser), TGC(Cys)→CAC(His), and TGC(Cys)→ GCC(Ala).

b

WT, wild type.