WebMar 5, 2011 · Gly73 in E. coli phytase (EcAPPA) corresponding to Arg79 in YeAPPA was substituted with either a negatively charged residue (Asp or Glu), a positively charged residue (Arg), a large polar residue (Tyr), a medium-sized polar residue (Ser or Thr), or a hydrophobic residue (Leu) to evaluate the effect of charge, steric strain, hydroxyl or … WebApr 1, 2007 · Download Citation Vaccinia topoisomerase mutants illuminate roles for Phe59, Gly73, Gln69 and Phe215 Vaccinia topoisomerase provides a model system for …

GLY 101 Notes - Scientific Method Observation/Question ...

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Catalytic efficiency of HAP phytases is determined by a key

WebMar 15, 2007 · Gly73 is located at the junction between the N-terminal domain and catalytic domain and it is likely to act as a swivel for the large domain movements that coordinate … WebMar 5, 2011 · The maximum activity of Yersinia enterocolitica phytase (YeAPPA) occurs at pH 5.0 and 45 °C, and notably, its specific activity (3.28 ± 0.24 U mg−1) is 800-fold less than that of its Yersinia kristeensenii homolog (YkAPPA; 88% amino acid sequence identity). Sequence alignment and molecular modeling show that the arginine at position 79 … can you touch wooly bear caterpillars