High-resolution structure of exo-arabinanase from Penicillium chrysogenum.

The article discusses a study on the high-resolution structure of exo-arabinanase from Penicillium chrysogenum. The authors state that crystallization conditions giving high-quality crystals of Abnx were established successfully by what they call the novel technique referred to as COLAS. They also say that the structures presented in the article could reveal that Abnx has different mechanisms to funnel substrates to the active site and/or to stabilize the transition state compared with the arabinan-degrading enzyme Arb93A.