Figure legends:

Figure 1: Schematic of phage display technique carried out for peptide ligand discovery for AdP.

Figure 2: Fluorescence polarization binding curves for 6 peptides obtained by phage display against AdP with peptide P10 (inset) exhibiting the highest binding.

Figure 3: The binding of P10-ELP to AdP at various molar ratios of P10-ELP to AdP at pH 7.4.

Figure 4: (a) Binding of P10-ELP to AdP at different pH values (3, 4, 5 and 7.4) at a ratio of 2:1 of P10-ELP to AdP. (b) Binding of P10-ELP to AdP at various molar ratios of P10-ELP to AdP at pH 4.0.

Figure 5: (a) Effect of three different modifiers tested one at a time on the elution step recovery of AdP in pure component P10-ELP-AdP binding and precipitation experiments. (b) Effect of arginine concentration at different pH values on the elution step recovery of AdP.

Figure 6: SDS PAGE analysis of the purification of AdP from E. coli lysate.

Figure 7: C4-RP-UPLC chromatograms of AdP spiked into E. colilysate (top) and purified AdP after single step purification using P10-ELP (bottom).