Table 1

DNA-dependent ATPase activity of FANCJ-WT and mutants

Km (mM)*kcat (sec−1)*kcat/Km sec−1 mM−1Keff (nM) M13 ssDNA
FANCJ-WT 0.88 ± 0.1 14.9 ± 1.2§ 16.9 0.079 ± 0.002 
FANCJ-A349P 0.73 ± 0.1 26.3 ± 2.4§ 36.0 0.086 ± 0.004 
FANCJ-K52R ND 0.0775 ± 0.0108 ND ND 
Km (mM)*kcat (sec−1)*kcat/Km sec−1 mM−1Keff (nM) M13 ssDNA
FANCJ-WT 0.88 ± 0.1 14.9 ± 1.2§ 16.9 0.079 ± 0.002 
FANCJ-A349P 0.73 ± 0.1 26.3 ± 2.4§ 36.0 0.086 ± 0.004 
FANCJ-K52R ND 0.0775 ± 0.0108 ND ND 

See supplemental Methods for details.

ND indicates none detectable.

*

M13mp18 ssDNA concentration was 2.1nM.

ATP concentration was 8.5mM.

P < .05.

§

P < .01.

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