Fig. 4

Stability 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 2 days; 6, cell extracts (pET-AB(gst-P)) stored for 6 days; 7, cell extracts (pET-(A*)BP); 8, purified NHase (pET-(A*)BP)