A protein X binds Ligand Y. The kon characterizing this binding is 1 x 106 M-1s-1, koff is 2 x 10-3 M-1s-1. In your in vitro X-Y binding experiment, at what concentration of Ligand Y half of the Protein X would be bound to Y. Assume that the binding is according to the Lock-and-key model
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A protein X binds Ligand Y. The kon characterizing this binding is 1 x 106 M-1s-1, koff is 2 x 10-3 M-1s-1. In your in vitro X-Y binding experiment, at what concentration of Ligand Y half of the Protein X would be bound to Y. Assume that the binding is according to the Lock-and-key model
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- Etiology? What does that mean? What does the fact that rotenone appears to increase the susceptibility to Parkinson disease indicate about the etiology of Parkinson disease?Activity: Write the line structure of each of the following peptide at pH7 and identify how many peptide bond in each number. 1 Alanyl-phenylalanine 2. Lysyl-alanine 3.Phenylalanyl-tyrosyl-leucineActivity: Write the line structure of each of the following peptide at pH7 and identify how many peptide bond in each number. 1. Glycyl-valyl-serine 2. Threonyl-cysteine 3. Isoleucyl-methionyl-aspartate
- Problem: From the following information determine the amino acid sequence of a peptide. N-terminal Edman gives PTH-Alanine C terminal carboxypeptidase treatment, no observable reaction Trypsin cleavage gives three products Arg Peptide containing Ala, Lys Peptide containing Asp, Met, Phe, Pro Mild Chymotrypsin cleavage gives 2 peptides Peptide containing Asp, Pro Peptide containing Ala, Arg, Lys, Met, Phe CNBr cleavage gives 2 peptides Peptide containing Ala, Arg, Lys and homoserine Peptide containing Asp, Phe, Pro You must supply the answer as the 3-letter amino acid sequence from N-terminus to C-terminus in the form (you must use dashes, not spaces between the amino acids) Met-Thr-Glu-TrpNeed help, please. Draw an oxygen binding curve of Hb at a pH of 7.4 and another curve where all 2,3 BPG has been removed Draw an oxygen binding curve of Hb at a pH of 7.4 and another at pH. Draw an oxygen binding curve of Hb at a pH of 7.4 and another with a mutant Hb in which the predominant form of the protein is monomeric1H. please help me in detail. For molecular Mechanism of ATP versus GTP selectivity of adenylate kinase
- resting state of the protein, the Lys 216 Schiff base has pKa = 9.5 and Asp 85 has pKa = 3.5. When the conformational change occurs, the proton that was on the Schiff base moves to Asp 85. This should tell you that one or both of these two pKas changed with the conformational change. How does the pKa of Asp 85 compare with the pKa of the Lys 216 Schiff base after the conformational change?Please answer I will give you like Dwarfism was found to be a result of the overproduction of Enzyme X that deactivates the growth hormone. Initial fractionation using Sephadex G-100, a molecular sieve, was done, followed by subsequent purification steps until a pure form of Enzyme X was obtained. Part of the study on Enzyme X was the determination of its primary structure. Because of its big size, Enzyme X was cut into smaller peptides by treatment of enzymes and cyanogen bromide. One of the fragments was hydrolyzed and the amino acid components were separated by ion-exchange chromatography and identified. The amino acids were found to be: arg, asp, ile, lys, met, and tyr. The sequence was determined as follows: Treatment with DNFB gave a mixture of amino acids and DNP-lys Treatment with trypsin gave an amino acid, a dipeptide and a tripeptide ; the tripeptide tested positive with the Sakaguchi test Treatment with CNBr gave two tripeptides Treatment with chymotrypsin gave a…Mutation identity- GLY Outline the effects the mutation will have on the 3D structure and function of the 3GRS glucathione reducatse protein.
- don't copy 6. A protein-ligand binding reaction is run. At equilibrium, half the protein is ligand bound, the unboundligand concentration is 0.657 nM. Calculate the koff value for this reaction. Assume the kon value is typical ofprotein-ligand interactions.MULTIPLE CHOICE In patients with Lesch Nyhan Syndrome, purine nucleotides are overproduced and over excreted. The hypoxanthine analogue Allopurinol, which effectively treats gout , has no effect on the severe neurological symptoms of Lesch- Nyhan patients because it does not A. decrease de novo pyrimidine synthesis B. decrease de novo purine synthesis C. decrease urate synthesis D. increase PRPP levels (Phosphoribosyl pyrophosphate)Need help Intaractions of FAK kinase which directly depend on the tyrosine residue 397 (Y397) are inhibbited by a chemical compound in cancercells. Intaraction of FAK kinase with what proteins are blocked by this inhibition? (please give a listt of them all, and that's it)