7aa2 | pdb_00007aa2

Chaetomium thermophilum FAD-dependent oxidoreductase in complex with ABTS

spinqualitylabelsall models 7aa2, resolution 1.40Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 7aa2 is a 2 chain structure with sequence from Chaetomium thermophilum var. thermophilum DSM 1495. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.4Å Ligands: CL, EBS, FDA, FMT, MG, NAG Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function G0SAW6_CHATD Publication Abstract from PubMed The FAD-dependent oxidoreductase from Chaetomium thermophilum (CtFDO) is a novel thermostable glycoprotein from the glucose-methanol-choline (GMC) oxidoreductase superfamily. However, CtFDO shows no activity toward the typical substrates of the family and high-throughput screening with around 1000 compounds did not yield any strongly reacting substrate. Therefore, protein crystallography, including crystallographic fragment screening, with 42 fragments and 37 other compounds was used to describe the ligand-binding sites of CtFDO and to characterize the nature of its substrate. The structure of CtFDO reveals an unusually wide-open solvent-accessible active-site pocket with a unique His-Ser amino-acid pair putatively involved in enzyme catalysis. A series of six crystal structures of CtFDO complexes revealed five different subsites for the binding of aryl moieties inside the active-site pocket and conformational flexibility of the interacting amino acids when adapting to a particular ligand. The protein is capable of binding complex polyaromatic substrates of molecular weight greater than 500 Da. Crystallographic fragment screening-based study of a novel FAD-dependent oxidoreductase from Chaetomium thermophilum.,Svecova L, Ostergaard LH, Skalova T, Schnorr KM, Koval' T, Kolenko P, Stransky J, Sedlak D, Duskova J, Trundova M, Hasek J, Dohnalek J Acta Crystallogr D Struct Biol. 2021 Jun 1;77(Pt 6):755-775. doi:, 10.1107/S2059798321003533. Epub 2021 May 14. PMID:34076590 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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