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Ferrandon S, Sterzenbach T, Mersha FB, Xu MQ. A single surface tryptophan in the chitin-binding domain from Bacillus circulans chitinase A1 plays a pivotal role in binding chitin and can be modified to create an elutable affinity tag. Biochim Biophys Acta. 2003 Apr 07;1621(1):31–40. doi: 10.1016/s0304-4165(03)00029-1. PMID: 12667608. |