Which three mammalian enzymes can potentially react with and thereby decrease the concentration of free NH4+ ?

For the protein Calmodulin-1: 1) this protein have any secondary, tertiary and/or quaternary structures present? 2)  Are there any molecular additions to this protein that are not amino acids?For both questions, can you explain if so, where specifically?  The protein Calmodulin-1 is stated to have the molecular function of signaling receptor binding which is interrelated with the biological function of calcium-mediated signaling.   Can you explain this relationship?

H159 functions as general acid. What are the catalytic function of C25? (shown in figure)

Q19

What are the structural elements that are required for proper function in yeast alcohol dehydrogenase ADH1?

What amino acids can be found in chymotrypsin’s specificity pocket? What would happen if one of those amino acids was changed to lysine? In relation to the amino acid in the specificity pocket, which peptide bond is cleaved; C terminal or N terminal? What is this bond’s proximity to the serine in the active site?

Which of the following is an allosteric activator of mammalian carbamoyl phosphate synthetase? OA) &-Ketoglutarate. OB) N-Acetylaspartate. C) N-Acetylglutamate. OD) Glutamine. OE) None of the above.

What is the purpose of the NaKATPase in a mammalian cell?

What is the role of the aspartate 118 residue in the Human inorganic Pyrophosphatase mechanism? include a drawing of the mechanistic proposal.

Only 37 of the proteins in mitochondria are encoded by the mitochondrial DNA. The other proteins are encoded in nuclear DNA, then translated and transported to the mitochondria. Describe one unique feature of protein transport across mitochondrial membranes.