Modify the structures of D-glucose and D-mannose to show a-D-glucosyl-(1→6)-D-mannosamine.HсH2CОНсНОНNi/сОННCIОНН0НсCH₂ОННОНNM!сジミНNH₂ОНC|НC

Disaccharides are carbohydrates composed of two monosaccharide units linked together by a glycosidic…

Answered: Modify the structures of D-glucose and…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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The melanocyte-stimulating hormone a-melanotropin has the following sequence: Ser-Tyr-Ser-Met-Glu-His-Phe-Arg-Trp-Gly-Lys-Pro-Val In the one-letter code of amino acids, this sequence would be: SYSMEHFRWGKPV STSMGHFAWGKPV O SYSMDHFAWGKPV O SYSMEHFAWGLPV
Which of the structures below is that of о-в-D-glucopyranosyl-(1->4)- a-D-glucoругanose CH2OH CH2OH H. OH он H Он OH OH CH2OH HOH2Ć OH он CH2OH CH2OH OH H он H он он CH2OH CH2 OH H OH он OH None of the other structures are correct.
The anomer of a-D-glucopyranose is CH:OH он ÓH CH2OH он он он он CH,OH он он он он CH,OH он OH он ÓH ÇH;OH он он он он
Which of an alpha-D-2,3-di-O-methylglucopyranose or alpha-D-2,3, 6-tri-O-methylglucopyranose represents a glucose unit in glycogen which was originally carrying an (alpha 1-->6) glycosidic bond?
Write the products of the oxidation and reduction of D-mannose. HO HO H- H- || C-H II H -ОН -ОН CH₂OH D-Mannose
Draw a peptide for cys-asn- pro-gly (Using the same format in picture)
The rate of the reaction of glycogen N with inorganic phosphate, Pi, to form glucose-1-phosphate and glycogen N-1 is:
Draw the glycosphingolipid with a head group (as Haworth projection) B-D-GalNac-(1->3)-ß-D-Glc-Sphingolipid. For the fatty acid, draw myristic acid.
Choose the CORRECT sequence of glycine formation. transamination of 3-phosphoglycerate → hydrolysis of 3-phosphohydroxypyruvate → hydrolysis of 3-phosphoserine → transfer of the side-chain methylene group of cysteine to tetrahydrofolate → glycine transamination of 3-phosphohydroxypyruvate → oxidation of 3-phosphoglycerate → transfer of the side-chain amino group of serine to tetrahydrofolate → glycine oxidation of 3-phosphoglycerate → oxidation of 3-phosphohydroxypyruvate → hydrolysis of 3-phosphoserine → glycine transamination of 3-phosphohydroxypyruvate → hydrolysis of 3-phosphoserine → oxidation of 3-phosphoglycerate →transfer of the side-chain methylene group of serine to tetrahydrofolate → glycine oxidation of 3-phosphoglycerate → transamination of 3-phosphohydroxypyruvate → hydrolysis of 3-phosphoserine → transfer of the side-chain methylene group of serine to tetrahydrofolate → glycine
Two melanocyte-stimulating hormones have the following amino acid sequences. Take a highlighter or colored pencil, and figure out how much of the sequence the porcine MSH has in common with the human MSH (how much is conserved between the two species). beta-MSH (human): Ala-Glu-Lys-Lys-Asp-Glu-Gly-Pro-Tyr-Arg-Met-Glu-His-Phe-Arg-Trp-Gly-Ser-Pro-Pro-Lys-Asp beta-MSH (porcine): Asp-Glu-Gly-Pro-Tyr-Lys-Met-Glu-His-Phe-Arg-Trp-Gly-Ser-Pro-Pro-Lys-Asp One amino acid interrupts the parts you highlighted in each sequence. Which amino acid was it in each and which category does that amino acid belong to on your amino acid chart? this to make much difference for the cross-species function of beta-MSH (why?)? and Do you expect
Use the two Fischer projections shown below to draw the Haworth projection of these two sugars linked by an a(1-2) linkage, with the ß isoform of the ketohexose. H H ㅎ HO H H OH OH ОН Н НО CH₂OH 애,애애 OH CH₂OH OH H OH OH OH I OH CH₂OH OH OH OH Eng са CH2OH CH2OH OH OH ОН ОН CH₂OH Н OH Н Н OH Н T I CH₂OH CH₂OH OH OH OH CH₂OH CH₂OH Н CH₂OH CH₂OH ОН OH OH НО OH H Н OH CH₂OH
Why is B-D-Glucopyranose in a chair conformation form is the most stable form of glucose present in our body?

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Modify the structures of D-glucose and D-mannose to show a-D-glucosyl-(1→6)-D-mannosamine. H с H C I с H ОН N OH C I H OH 0 H i/ | ОН V с CH₂ ОН H ОН \i C I H NH₂ с I Н ОН с Н