During transpeptidation, nucleophilic attack occurs between the α-amine group in the A site and the esterified carbon in the P site.
<h3>What is a transpeptidation?</h3>
- A chemical process in which an amino acid residue or a peptide residue is transferred from one amino molecule to another (as in the reversible conversion of one peptide to another by a protease).
- The binding of transpeptidase PBPs inhibits peptidoglycan production.
- Transpeptidase is a bacterial enzyme that cross-links peptidoglycan strands to build stiff cell walls. A liver enzyme called gamma-glutamyl transpeptidase. Transpeptidase D-glutamyl.
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a)The pros of replacing zn2+ by cd2+ is that Zn metallothionein was able to efficiently compete with Cd2+, Zn2+ was restored to these proteins for the first time. When Zn2+ is exclusively coupled to Cys-thiolate in mammalian metallothionein, clusters are formed that are both kinetically labile and thermodynamically stable for the metal.
The cons of replacing zn2+ by cd2+ is Cd2+ damages kidney proximal tubule cells
b) Co and Zn can completely replace one another, with the possible exception of minor individual needs that can be satisfied
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egg whites
While it may seem daunting, a basic meringue is nothing more than a mixture of beaten egg whites and sugar.
When the terminal (third) phosphate is cut loose, ATP becomes ADP (Adenosine diphosphate; di= two), and the stored energy is released for some biological process to utilize.