1nbw

Glycerol dehydratase reactivase

spinqualitylabelsall models 1nbw, resolution 2.40Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1nbw is a 4 chain structure with sequence from Klebsiella pneumoniae. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.4Å Ligands: CA Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function Q59474_KLEPN Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed The function of glycerol dehydratase (GDH) reactivase is to remove damaged coenzyme B(12) from GDH that has suffered mechanism-based inactivation. The structure of GDH reactivase from Klebsiella pneumoniae was determined at 2.4 A resolution by the single isomorphous replacement with anomalous signal (SIR/AS) method. Each tetramer contains two elongated 63 kDa alpha subunits and two globular 14 kDa beta subunits. The alpha subunit contains structural features resembling both GroEL and Hsp70 groups of chaperones, and it appears chaperone like in its interactions with ATP. The fold of the beta subunit resembles that of the beta subunit of glycerol dehydratase, except that it lacks some coenzyme B(12) binding elements. A hypothesis for the reactivation mechanism of reactivase is proposed based on these structural features. Structure of glycerol dehydratase reactivase: a new type of molecular chaperone.,Liao DI, Reiss L, Turner I, Dotson G Structure. 2003 Jan;11(1):109-19. PMID:12517345 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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