词条 | Auxiliary Activity family 9 |
释义 |
| Symbol = Aux_Act_9 | Name = Auxiliary Activity Family 9 | image = | width = | caption = | Pfam = PF03443 | Pfam_clan = | InterPro = IPR005103 | SMART = | PROSITE = | MEROPS = | SCOP = | TCDB = | OPM family = | OPM protein = | CAZy = AA9 | CDD = }}Auxiliary Activity family 9 (formerly GH61) is a family of lytic polysaccharide monooxygenases. The family was previously incorrectly classified as glycoside hydrolase family 61, however it was re-classified in March 2013.[1][2] AA9 is known to be a copper dependent, oxidative enzyme able to cleave crystalline cellulose.[3] Activity greatly depends on the presence of a divalent copper ion and a reductant such as gallate or ascorbate. The oxidative action of AA9 can work on either the reducing or the non-reducing end of glucose moieties.{{Cn|date=March 2018}} Although AA9 enzymes can be found in a large spectrum of biomass degrading fungi, research into this family is relatively new.[4] This classification is available on the CAZy web site,[5][6] and also discussed at CAZypedia, an online encyclopedia of carbohydrate active enzymes.[7][8][9] References1. ^{{Cite journal|last=Levasseur|first=Anthony|last2=Drula|first2=Elodie|last3=Lombard|first3=Vincent|last4=Coutinho|first4=Pedro M.|last5=Henrissat|first5=Bernard|date=2013-03-21|title=Expansion of the enzymatic repertoire of the CAZy database to integrate auxiliary redox enzymes|url=https://doi.org/10.1186/1754-6834-6-41|journal=Biotechnology for Biofuels|volume=6|pages=41|doi=10.1186/1754-6834-6-41|issn=1754-6834}} {{InterPro content|IPR005103}}{{Sugar hydrolases}}{{Enzymes}}{{Portal bar|Molecular and Cellular Biology|border=no}}2. ^{{Cite journal|last=Hemsworth|first=Glyn R|last2=Davies|first2=Gideon J|last3=Walton|first3=Paul H|title=Recent insights into copper-containing lytic polysaccharide mono-oxygenases|url=http://linkinghub.elsevier.com/retrieve/pii/S0959440X13000869|journal=Current Opinion in Structural Biology|volume=23|issue=5|pages=660–668|doi=10.1016/j.sbi.2013.05.006}} 3. ^{{Cite journal|last=Vaaje-Kolstad|first=Gustav|last2=Westereng|first2=Bjørge|last3=Horn|first3=Svein J.|last4=Liu|first4=Zhanliang|last5=Zhai|first5=Hong|last6=Sørlie|first6=Morten|last7=Eijsink|first7=Vincent G. H.|date=2010-10-08|title=An Oxidative Enzyme Boosting the Enzymatic Conversion of Recalcitrant Polysaccharides|url=http://science.sciencemag.org/content/330/6001/219|journal=Science|language=en|volume=330|issue=6001|pages=219–222|doi=10.1126/science.1192231|issn=0036-8075|pmid=20929773}} 4. ^{{Cite journal|last=Bey|first=Mathieu|last2=Zhou|first2=Simeng|last3=Poidevin|first3=Laetitia|last4=Henrissat|first4=Bernard|last5=Coutinho|first5=Pedro M.|last6=Berrin|first6=Jean-Guy|last7=Sigoillot|first7=Jean-Claude|date=2013-01-15|title=Cello-Oligosaccharide Oxidation Reveals Differences between Two Lytic Polysaccharide Monooxygenases (Family GH61) from Podospora anserina|url=http://aem.asm.org/content/79/2/488|journal=Applied and Environmental Microbiology|language=en|volume=79|issue=2|pages=488–496|doi=10.1128/aem.02942-12|issn=0099-2240|pmid=23124232|pmc=3553762}} 5. ^{{Cite web|url=http://www.cazy.org/|title=Home|last=|first=|date=|website=CAZy.org|language=en|archive-url=|archive-date=|dead-url=|access-date=2018-03-06}} 6. ^{{cite journal|vauthors=Lombard V, Golaconda Ramulu H, Drula E, Coutinho PM, Henrissat B|date=January 2014|title=The carbohydrate-active enzymes database (CAZy) in 2013|url=https://academic.oup.com/nar/article/42/D1/D490/1057423|journal=Nucleic Acids Research|volume=42|issue=Database issue|pages=D490–5|doi=10.1093/nar/gkt1178|pmid=24270786}} 7. ^{{Cite web|url=http://www.cazypedia.org/index.php/Auxiliary_Activity_Family_9|title=Auxiliary Activity Family 9|last=|first=|date=|website=CAZypedia.org|language=en|archive-url=|archive-date=|dead-url=|access-date=2018-03-08}} 8. ^{{Cite web|url=http://www.cazypedia.org/index.php/Glycoside_Hydrolase_Family_61|title=Glycoside Hydrolase Family 61|last=|first=|date=|website=CAZypedia.org|language=en|archive-url=|archive-date=|dead-url=|access-date=2018-03-06}} 9. ^{{cite journal|vauthors=|date=December 2018|title=Ten years of CAZypedia: a living encyclopedia of carbohydrate-active enzymes|journal=Glycobiology|volume=28|issue=1|pages=3–8|doi=10.1093/glycob/cwx089|pmid=29040563}} 3 : EC 3.2.1|GH family|Protein families |
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