gal(a1→6)gal(a1→6)glc(a1→2B)fru.Which of the complete IUPAC of this tetrasaccharide?a-D-galactopyranosyl-(1→6)-ß-D-galactopyranosyl-(1→6)- a-D-glucopyranosyl-(1→2)-B-fructofuranosea-D-galactopyranosyl-(1→6)- a-D-galactopyranosyl-(1→6)- a-D-glucopyranosyl-(1→2)-ß-fructofuranosidea-D-galactopyranosyl-(1→6)- a-D-galactopyranosyl-(1→6)- a-D-glucopyranosyl-(1<→2)-ß-fructofuranosea-D-galactopyranosyl-(1→6)-B-D-galactopyranosyl-(1→6)- a-D-glucopyranosyl-(1→2)-ß-fructofuranoside

Gal= galactose Glc= glucose Fry= fructose 1-->6 = linkage between C1 and C6. 1-->2 =…

Answered: gal(a1→6)gal(a1→6)glc(a1→2B)fru. Which…

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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gal(α1→6)gal(α1→6)glc(α1↔2β)fru. Which of the complete IUPAC of this tetrasaccharide? α-D-galactopyranosyl-(1→6)-β-D-galactopyranosyl-(1→6)- α-D-glucopyranosyl-(1↔2)-β-fructofuranoside α-D-galactopyranosyl-(1→6)- α-D-galactopyranosyl-(1→6)- α-D-glucopyranosyl-(1↔2)-β-fructofuranoside α-D-galactopyranosyl-(1→6)- α-D-galactopyranosyl-(1→6)- α-D-glucopyranosyl-(1↔2)-β-fructofuranose α-D-galactopyranosyl-(1→6)-β-D-galactopyranosyl-(1→6)- α-D-glucopyranosyl-(1↔2)-β-fructofuranose
Match the following structural composition with the corresponding polysaccharide Linear homoglycan of glucose connected by α1-4 linkages Branched glycan formed by alternating units of D-galactose and L-galactose Linear sulfated chains of alternating β-D-galactopyranose and 3,6-anhydro- α-galactopyranosyl units Poly-β-Dmannopyranosyluronic acid and/or Poly-α-L-gulopyranosyluronic acid Repeating Poly-D-galacturonic acid residues…
What sugar units make up the structure shown? D-Iduronate and N-Acetyl-D-galactosamine-6-sulfate D-Glucuronate and N-Acetyl-D-glucosamine-6-sulfate D-Glucuronate and N-Sulfo-D-glucosamine-6-sulfate D-Glucuronate and N-Acetyl-D-galactosamine-6-sulfate
In total, including lactose, how many heterodisaccharides of D-galactose and O-glucose are possible?
D-Talose is a C2 epimer of D-galactose. Using the Fischer projection structure, draw the product of reaction ofD-talose with the given reagent or enzyme and write the systematic name of the product. 1. 2,4-DNP 2. Reaction with aminotransferase and then acetyltransferase at C4
Draw a complete structural representation for the tetrapeptide Phe-Met-Tyr-Asn (NOTE:use the zwitterion form) Give the IUPAC name for the tetrapeptide formation of F-M-Y-N. List all the possible tetrapeptide formed from one of each amino acids Phe-Met-Tyr-Asn? (NOTE: Use the three letter abbreviation code for the amino acids in answering D)
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?
When a certain trisaccharide is completely methylated (i.e. all of the free OH groups have been converted to OCH3 groups) and then hydrolyzed (i.e. all of the glycosidic linkages have been broken) equal molar amounts of 2,3,4,6-tetra-O-methyl-D-galactose, 2,3,4-tri-O-methyl-D- mannose, and 1,2,4,6-tetra-O-methyl-D-glucose are obtained. When this same trisaccaride is treated with beta-galactosidase ( an enzyme that hydrolyzes the indicated glycosidic bond indicted by it's name) it yields D- galactose and a disaccharide. Treatment of the resulting disaccharride with alpha- mannosidase yields D-mannose and D-glucose. Draw the structure of the beta anomer of the original trisaccharide.
Draw the following sugars using Haworth projections:a. b-d-galactopyranose b. a-d-tagatopyranose c. a-l-glucopyranose
Identify the structure of the predominant form of the pentapeptide at pH = 12 if there is a pentapeptide Ile-Lys-Asp-Phe-Gly
A picture of the two disaccharide repeats of hyaluronic acid are shown below. Name the two different glycosidic linkages. Are these the same linkages as those found in glycogen?
Draw the Haworth projection of β-D-Altopyranose given the structure of D-Altrose.

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