Amicyanin

spinqualitylabelsall models Amicyanin complex with Cu+2 (orange), K+ (purple), and phosphate (PDB ID 3ply) Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Function Amicyanin (ACY) is a copper protein which is part of a electron transfer complex with Methylamine dehydrogenase and Cytochrome C-551. ACY serves as the electron acceptor for methyl amine dehydrogenase. ACY belongs to type I copper proteins in which the copper is coordinated by 2 His residues, a Lys residue and a variable ligand in a trigonal planar structure. Structural highlights The 3D structure of ACY shows that the protein assumes a β-sandwich topology. The Cu+2 binding site has tetragonal geometry with interactions to 2 His, Cys and Met side chains. ACY interacts with methylamine dehydrogenase via a hydrophobic patch and Arg salt bridge. 3D structures of amicyanin Amicyanin 3D structures

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