Peptides were synthesised by F. Fischer or by Bio-Synthesis Inc. Peptides were dissolved in H2O (stock solutions of 1–10 mM) and diluted in a solution containing 0.1% BSA and 0.1 M NaCl. Penta-N-acetylchitopentaose was obtained from Seikagaku Corp. and xylanase from Trichoderma viride was
purchased from Fluka