2hmf

Structure of a Threonine Sensitive Aspartokinase from Methanococcus jannaschii Complexed with Mg-ADP and Aspartate

spinqualitylabelsall models 2hmf, resolution 2.70Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2hmf is a 4 chain structure with sequence from Methanocaldococcus jannaschii. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.7Å Ligands: ADP, ASP, MG Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function AK_METJA 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 activation of the beta-carboxyl group of aspartate catalyzed by aspartokinase is the commitment step to amino-acid biosynthesis in the aspartate pathway. The first structure of a microbial aspartokinase, that from Methanococcus jannaschii, has been determined in the presence of the amino-acid substrate L-aspartic acid and the nucleotide product MgADP. The enzyme assembles into a dimer of dimers, with the interfaces mediated by both the N- and C-terminal domains. The active-site functional groups responsible for substrate binding and specificity have been identified and roles have been proposed for putative catalytic functional groups. The initial step in the archaeal aspartate biosynthetic pathway catalyzed by a monofunctional aspartokinase.,Faehnle CR, Liu X, Pavlovsky A, Viola RE Acta Crystallogr Sect F Struct Biol Cryst Commun. 2006 Oct 1;62(Pt, 10):962-6. Epub 2006 Sep 30. PMID:17012784 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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