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The structure of a recombinant pineapple cystatin (AcCYS) was determined by NMR with the RMSD of backbone and heavy atoms of twenty lowest energy structures of 0.56 and 1.11 Å, respectively. It reveals an unstructured N-terminal extension and a compact inhibitory domain comprising a four-stranded antiparallel β-sheet wrapped around a central α-helix. The(More)
Calmodulin (CaM), the primary receptor for intracellular Ca(2+), regulates a large number of key enzymes and controls a wide spectrum of important biological responses. Olfactory cyclic nucleotide-gated ion channels (OLF channels) mediate olfactory transduction in olfactory receptor neurons. The opening of OLF leads to a rise in cytosolic concentration of(More)
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