Crystal structure of Azospirillum brasilense L-arabinose 1-dehydrogenase E147A mutant (NADP and glycerol bound form)Crystal structure of Azospirillum brasilense L-arabinose 1-dehydrogenase E147A mutant (NADP and glycerol bound form)

Structural highlights

7cgr is a 4 chain structure with sequence from Azospirillum brasilense. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.093Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

ARAA_AZOBR Catalyzes the NAD(P)(+)-dependent conversion of L-arabinose to L-arabino-gamma-lactone. Is involved in a degradation pathway of L-arabinose that allows A.brasilense to grow on L-arabinose as a sole carbon source. Prefers NADP(+) to NAD(+) as electron acceptor. Displays high catalytic efficiency for both L-arabinose and D-galactose in vitro. However, the enzyme appears to be involved in the metabolism of L-arabinose but not D-galactose in vivo. To a lesser extent, is also active on D-talose and D-xylose as substrates in vitro, but not with D-arabinose, D-glucose, D-ribose, L-xylose, L-mannose, L-lyxose, and D-fructose.[1]

References

  1. Watanabe S, Kodaki T, Makino K. Cloning, expression, and characterization of bacterial L-arabinose 1-dehydrogenase involved in an alternative pathway of L-arabinose metabolism. J Biol Chem. 2006 Feb 3;281(5):2612-23. Epub 2005 Dec 2. PMID:16326697 doi:http://dx.doi.org/M506477200

7cgr, resolution 2.09Å

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