Fig. 4From: Successful expression of the Bordetella petrii nitrile hydratase activator P14K and the unnecessary role of Ser115Stability analysis of P14K through SDS-PAGE. 1, mark; 2, control; 3, cell extracts (pET-AB(gst-P)); 4, purified NHase (pET-AB(gst-P)); 5, cell extracts (pET-AB(his-P)) stored for 2Â days; 6, cell extracts (pET-AB(gst-P)) stored for 6Â days; 7, cell extracts (pET-(A*)BP); 8, purified NHase (pET-(A*)BP)Back to article page