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Strain is more important than electrostatic interaction in controlling the pKa of the catalytic group in aspartate aminotransferase.
Mizuguchi H, Hayashi H, Okada K, Miyahara I, Hirotsu K, Kagamiyama H. Mizuguchi H, et al. Among authors: kagamiyama h. Biochemistry. 2001 Jan 16;40(2):353-60. doi: 10.1021/bi001403e. Biochemistry. 2001. PMID: 11148029
Thus, the electrostatic effect of the arginine residues is not as strong as has historically been thought, and this finding substantiates our recent finding that the imine-pyridine torsion of the Schiff base is the primary determinant (2.8 unit decrease) of the extremely low pK(a …
Thus, the electrostatic effect of the arginine residues is not as strong as has historically been thought, and this finding substantiates ou …
190 results