4qnw

Crystal structure of EasA, an old yellow enzyme from Aspergillus fumigatus

spinqualitylabelsall models 4qnw, resolution 1.80Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4qnw is a 1 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: FMN, GOL, SO4 Activity: Chanoclavine-I aldehyde reductase, with EC number 1.3.1.100 Resources: FirstGlance, OCA, RCSB, PDBsum Publication Abstract from PubMed The Aspergillus fumigatus old yellow enzyme (OYE) EasA reduces chanoclavine-I aldehyde to dihydrochanoclavine aldehyde and works in conjunction with festuclavine synthase at the branchpoint for ergot alkaloid pathways. The crystal structure of the FMN-loaded EasA was determined to 1.8 A resolution. The active-site amino acids of OYE are conserved, supporting a similar mechanism for reduction of the alpha/beta-unsaturated aldehyde. The C-terminal tail of one monomer packs into the active site of a monomer in the next asymmetric unit, which is most likely to be a crystallization artifact and not a mechanism of self-regulation. Structure of an Aspergillus fumigatus old yellow enzyme (EasA) involved in ergot alkaloid biosynthesis.,Chilton AS, Ellis AL, Lamb AL Acta Crystallogr F Struct Biol Commun. 2014 Oct 1;70(Pt 10):1328-32. doi:, 10.1107/S2053230X14018962. Epub 2014 Sep 25. PMID:25286934 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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