Arabinanase

Function

Arabinanase (Ara) hydrolyzes the α-1,5-linked L-arabinofuranoside backbone of plant cell wall arabinans.^[1] See more details in Exo-alpha-1,5-L-Arabinanase. Endo-arabinanase hydrolyzes from the N-terminal of the chain while exo-arabinanase hydrolyzes from the end of the chain.

Structural highlights

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3D Structures of Arabinanase

Arabinanase 3D structures

Endo-arabinanase complex with arabinohexose (yellow) and Cl- ion (green) (PDB code 1gye)

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ReferencesReferences

↑ Alhassid A, Ben-David A, Tabachnikov O, Libster D, Naveh E, Zolotnitsky G, Shoham Y, Shoham G. Crystal structure of an inverting GH 43 1,5-alpha-L-arabinanase from Geobacillus stearothermophilus complexed with its substrate. Biochem J. 2009 Jul 29;422(1):73-82. PMID:19505290 doi:10.1042/BJ20090180
↑ Nurizzo D, Turkenburg JP, Charnock SJ, Roberts SM, Dodson EJ, McKie VA, Taylor EJ, Gilbert HJ, Davies GJ. Cellvibrio japonicus alpha-L-arabinanase 43A has a novel five-blade beta-propeller fold. Nat Struct Biol. 2002 Sep;9(9):665-8. PMID:12198486 doi:10.1038/nsb835

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Michal Harel, Alexander Berchansky

[1] Alhassid A, Ben-David A, Tabachnikov O, Libster D, Naveh E, Zolotnitsky G, Shoham Y, Shoham G. Crystal structure of an inverting GH 43 1,5-alpha-L-arabinanase from Geobacillus stearothermophilus complexed with its substrate. Biochem J. 2009 Jul 29;422(1):73-82. PMID:19505290 doi:10.1042/BJ20090180

[2] Nurizzo D, Turkenburg JP, Charnock SJ, Roberts SM, Dodson EJ, McKie VA, Taylor EJ, Gilbert HJ, Davies GJ. Cellvibrio japonicus alpha-L-arabinanase 43A has a novel five-blade beta-propeller fold. Nat Struct Biol. 2002 Sep;9(9):665-8. PMID:12198486 doi:10.1038/nsb835

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