Chat with us, powered by LiveChat Question: Sequence Determination Of The Brain Peptide Leucine Enkephalin A Group Of Peptides That Influence Nerve Transmission In Certain Parts Of The Brain Has Been Isolated From Normal Brain Tissue. These Peptides Are Known As Opioids Because They Bind To Specific Receptors That Also Bind Peptides To Be The Brain's Own Painkillers. Using The Information Below, ... | Wridemy

18 Aug Question: Sequence Determination Of The Brain Peptide Leucine Enkephalin A Group Of Peptides That Influence Nerve Transmission In Certain Parts Of The Brain Has Been Isolated From Normal Brain Tissue. These Peptides Are Known As Opioids Because They Bind To Specific Receptors That Also Bind Peptides To Be The Brain’s Own Painkillers. Using The Information Below, …

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Sequence Determination of the Brain Peptide Leucine Enkephalin A group of peptides that influence nerve transmission in certain parts of the brain has been isolated from normal brain tissue. These peptides are known as opioids because they bind to specific receptors that also bind peptides to be the brain’s own painkillers. Using the information below, determine the amino acid sequence of the opioid leucine enkephalin. Explain how your structure is consistent with each piece of information. (a) Complete hydrolysis by 6 M HCI at 110 degrees C followed by amino acid analysis indicated the presence of Gly, Leu, Phe, and Tyr in a 2:1:1:1 molar ratic. (b) Treatment of the peptide with 1-fluoro-2,4-dinitrobenzene followed by complete hydrolysis and chromatography indicated the presence of the 2,4-dinitrophenyl derivative of tyrosine. No free tyrosine could be found. (c) Complete digestion of the peptide with chymotrypsin followed by chromatography yielded free tyrosine and leucine, plus a tripeptide containing Phe and Gly in a 1:2 ratio. Please use the a, b and c format to provide your response. Provide the correct overall sequence.

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