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Chapter 4: Q16P. (page 95)

Some hormone-signaling pathways result in the phosphorylation of tyrosine resides in proteins. Draw the structure of a phosphotyrosine side chain.

Short Answer

Expert verified

The Chemical structure of phosphotyrosine is shown below:

Step by step solution

01

What is hormone-signaling pathways?

The signaling pathways which are induced by hormones to regulate cell function.

02

What is phosphorylation?

Phosphorylation is the chemical addition of the phosphate groups to organic molecules. It is the mechanism which regulates the process of cell signaling mechanism. It plays a critical role in the regulation of various cell cycle process like cellular growth, apoptosis etc.

03

Chemical structure of the Phosphotyrosine side chain:

Hence, the mechanism of phosphorylation and the chemical structure of the Phosphotyrosine was understood.

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Most popular questions from this chapter

Patients with Parkinson鈥檚 disease are sometimes given L-DOPA (3,4-dihydroxyphenylalanine). What neurotransmitter is produced by the decarboxylation of L-DOPA?

Cover the labels in Figs. 4-14 and 4-15 and identify each parent amino acid and the type of chemical modification that has occurred.

The 20 standard amino acids are called伪-amino acids. Certain尾-amino acids are found in nature. Draw the structure of尾-alanine(3-amino-n-propionate).

The twoC伪Hatoms of Gly are said to be prochiral, because when one of them is replaced by another group,C伪 becomes chiral. Draw a Fischer projection of Gly and indicate which H must be replaced withCH3to yield D-Ala.

A sample of the amino acid tyrosine is barely soluble in water. Would a polypeptide containing only Tyr residues, poly(Tyr), be more or less soluble, assuming the total number of Tyr groups remains constant?
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