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Class II chitinases (EC are plant defense proteins. They hydrolyze chitin, an insoluble beta-1,4-linked polymer of N-acetylglucosamine (NAG), which is a major cell-wall component of many fungal hyphae. We previously reported the three-dimensional structure of the 26 kDa class II endochitinase from barley seeds at 2.8 A resolution, determined using(More)
SUMMARY From earlier force measurements it was assumed that the system controlling the position of the femur-tibia joint in the middle leg of the stick insect is active in walking animals. This hypothesis is confirmed by electro-physiological recordings and is discussed in relation to several earlier findings concerning the function of the control system of(More)
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