... Department of Plant Biology and Biotechnology, Faculty of Life Sciences, University of Copenhagen, Frederiksberg, Denmark3 Department of Biology, ETH Zu¨rich, Switzerland4 Department of Biology, ... evolution of low -affinity domains is arecurring and functionally important theme in plastid-ial starch metabolism.Results and DiscussionIdentification and bioinformatic analysis of CBM45s from GWD and ... metabo-lism, and supports the hypothesis that reversible binding, effectuatedthrough low -affinity interaction with starch granules, facilitates dynamicregulation of enzyme activities and, hence, of starch...