Fig.1– pI-Strips (Serva IPG BlueStrip, 24 cm, pH 4–7) carrying dye (orange pI4.3–0.6g, lavender pI5.3–0.2g, red pI
6.2–0.35g) andE. coliproteome. They were scanned after the first dimension. (For interpretation of the references to colour
in this figure legend, the reader is referred to the web version of this article.)