Article
An essential methionine residue involved in substrate binding by phosphofructokinases.
Biochemical and biophysical research communications - 18 Sept 1998
Wang X, Deng Z, Kemp R G
Abstract excerpt
An alignment of all PPi-dependent phosphofructokinases and all allosteric ATP-dependent PFKs shows relatively few residues that are fully conserved. One residue that is conserved is a methionine residue that appears from the crystal structure of Escherichia coli PFK to be interacting with fructose 6-P. Very conservative substitutions for this methionine with leucine or isoleucine by site-directed mutagenesis of...
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