It is interesting to note that some of the putative amino acid changes in KAP20-2 would result in a change in the number of potential phosphorylation sites. Although the presence and function of phosphorylation is poorly understood for KAPs, it is known to occur for the keratins, and affects keratin assembly and organization [35]. This in turn influences the resulting fibre structure. If variationin phosphorylation patterns occur, then it is possible that this may influence cashmere traits.