Acetylxylan esterase: Difference between revisions
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'''Acetylxylan esterase''' (AXE) catalyzes the deacetylation of xylans and xylo-oligosaccharides. AXE is involved in the biodegradation of hemicellulose. AXE hydrolyzes the ester linkages of the acetyl groups in position 2 and/or 3 of xylose moiety of naturally acetylated xylan from hardwood. AXE is one of the accessory enzymes which are part of the xylanolytic system. Together with xylanase, β-xylosidase, α-arabinofuranosidase and methylglucoronidase, AXE is required for the complete degradation of xylan. Xylan is the major constituent of hemicellulose which is the second most abundant polysaccharide in plants. | '''Acetylxylan esterase''' (AXE) catalyzes the deacetylation of xylans and xylo-oligosaccharides. AXE is involved in the biodegradation of hemicellulose. AXE hydrolyzes the ester linkages of the acetyl groups in position 2 and/or 3 of xylose moiety of naturally acetylated xylan from hardwood. AXE is one of the accessory enzymes which are part of the xylanolytic system. Together with xylanase, β-xylosidase, α-arabinofuranosidase and methylglucoronidase, AXE is required for the complete degradation of xylan. Xylan is the major constituent of hemicellulose which is the second most abundant polysaccharide in plants. | ||
==3D structures of acetylxylan esterase== | ==3D structures of acetylxylan esterase== | ||
