Figure 1
SDS–PAGE analysis of HsFH purification steps by nickel-affinity chromatography. Lane M, molecular markers (labelled in kDa). Lane 1, soluble fraction obtained after lysate centrifugation. Lane 2, washing step in the presence of buffer A containing 50 mM imidazole. Lane 3, HsFH enzyme (53.7 kDa) elution with buffer A containing 500 mM imidazole. |