3ai7 | pdb_00003ai7

Crystal Structure of Bifidobacterium Longum Phosphoketolase

spinqualitylabelsall models 3ai7, resolution 2.20Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3ai7 is a 8 chain structure with sequence from As 1.2186. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: CA, TPP Activity: Fructose-6-phosphate phosphoketolase, with EC number 4.1.2.22 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT 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 crystal structure of Bifidobacterium longum phosphoketolase, a thiamine diphosphate (TPP) dependent enzyme, has been determined at 2.2A resolution. The enzyme is a dimer with the active sites located at the interface between the two identical subunits with molecular mass of 92.5kDa. The bound TPP is almost completely shielded from solvent except for the catalytically important C2-carbon of the thiazolium ring, which can be accessed by a substrate sugar through a narrow funnel-shaped channel. In silico docking studies of B. longum phosphoketolase with its substrate enable us to propose a model for substrate binding. STRUCTURED SUMMARY: MINT-7985878: PKT (uniprotkb:Q6R2Q7) and PKT (uniprotkb:Q6R2Q7) bind (MI:0407) by X-ray crystallography (MI:0114). Crystal structure of Bifidobacterium Longum phosphoketolase; key enzyme for glucose metabolism in Bifidobacterium.,Takahashi K, Tagami U, Shimba N, Kashiwagi T, Ishikawa K, Suzuki EI FEBS Lett. 2010 Aug 3. PMID:20674574 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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