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Article

Complete subsite mapping of a "loopful" GH19 chitinase from rye seeds based on its crystal structure.

FEBS letters - 19 Aug 2013

Ohnuma Takayuki, Umemoto Naoyuki, Kondo Kaori, Numata Tomoyuki, Fukamizo Tamo

Abstract excerpt

Crystallographic analysis of a mutated form of "loopful" GH19 chitinase from rye seeds a double mutant RSC-c, in which Glu67 and Trp72 are mutated to glutamine and alanine, respectively, (RSC-c-E67Q/W72A) in complex with chitin tetrasaccharide (GlcNAc)₄ revealed that the entire substrate-binding cleft was completely occupied with the sugar residues of two (GlcNAc)₄ molecules. One (GlcNAc)₄ molecule bound to...

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Identifiers

PMID: 23871710
DOI: 10.1016/j.febslet.2013.07.008

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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