3piu

High-resolution structure of native Malus domestica ACC synthase

spinqualitylabelsall models 3piu, resolution 1.35Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3piu is a 1 chain structure with sequence from Malus domestica. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.35Å Ligands: LLP, PLR Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function 1A1C_MALDO Catalyzes the formation of 1-aminocyclopropane-1-carboxylate, a direct precursor of ethylene in higher plants. Publication Abstract from PubMed 1-aminocyclopropane-1-carboxylate synthase (ACS) is a key enzyme in the biosynthesis of the plant hormone ethylene. Recently, a new biological role for ACS has been found in Cucumis melo where a single point mutation (A57V) of one isoform of the enzyme, causing reduced activity, results in andromonoecious plants. We present here a straightforward structural basis for the reduced activity of the A57V mutant, based on our work on Malus domestica ACS, including a new structure of the unliganded apple enzyme at 1.35A resolution. Structural basis for reduced activity of 1-aminocyclopropane-1-carboxylate synthase affected by a mutation linked to andromonoecy.,Scharer MA, Eliot AC, Grutter MG, Capitani G FEBS Lett. 2010 Nov 12. PMID:21075107 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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