+H₂N-CH-COO™1CH₂ICH₂1CH₂I+H₂N-CH₂A.amino acid DO amino acid Bamino acid CO amino acid A+H₂N-CH-COO™1amino acid EC=OB.Of the four amino acids shown, this amino acid would mostlikely be located in the transmembrane domain of anintegral membrane protein.+H₂N-CH-COO™1CH₂1OHC.+H₂N-CH-COO™ICHH₂C CH₂D.

Amino acids are biomolecules that have a hydrogen atom, an amino group and a carboxyl group linked…

Answered: +H₂N-CH-COO™ 1 CH₂ I CH₂ I CH₂ I…

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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Similar questions

Roughly sketch the hydropathy plot for the given hypothetical membrane protein. Follow the color assignment of the helical domains and properly label your plot and axes (NB: Only a rough sketch is being asked. No need be exact with the hydropathy indices and residue numbers). CO-
Many transmembrane proteins are oligomeric, with several identical subunits. The oligomers are usually found to have some form of Cn symmetry, rather than Dn or any higher order. Suggest a reason for this observation.
The transmembrane segments of most integral membrane proteins are made of alpha -helical secondary structures. What is the advantage of this conformation ? How do multiple alpha-helices arrange themselves to form the aqueous pore of an ion channel ?
Identify the following membrane associated proteins based on their structure: (a) tetramers of identical subunits, each with six membrane spanning α helices; (b) trimers of identical subunits, each with 16 β sheets forming a barrel like structure.
The predominant forms of actin inside a cell are ATP–G-actin and ADP–F-actin. Explain how the interconversion of the nucleotide state is coupled to the assembly and disassembly of actin subunits.
Although proteins rarely if ever flip-flop across a membrane, the distribution of membrane lipids between the membrane leaflets is not absolute except for glycolipids. Why are glycosylated lipids less likely to flip-flop?
What types of amino acids are the least likely to be found in the center of a transmembrane protein? Why?
Peripheral membrane proteins are not amphipathic and do not associate with the nonpolar regions of the lipids? Explain why?
Of the following cell membrane lipids, which one prefers to reside in the inner leaflet (or inner half) of the membrane bilayer, AND has an overall neutral charge at physiological pH (7.4)? a) PE (phosphatidylethanolamine) is inner-leaflet with an overall neutral charge at pH 7.4 b) SM (sphinogomyelin) is inner-leaflet with an overall neutral charge at pH 7.4 c) PS (phosephatidylserine) is inner-leaflet with an overall neutral charge at pH 7.4 d) PC (phosphatidylcholine) is inner-leaflet with an overall neutral charge at pH 7.4
a) (i) Give THREE (3) amino acids that most likely can be located in the part of the trans- membrane protein that lies within the cell membrane. Explain why. (ii)Give THREE (3) amino acids that most likely can be located in the part of the transmembrane protein that lies outside the cell membrane. Explain why.
Which intermolecular forces are important in acetic acid, CH3 –(C=0)-oh? A particular amino acid contains a- CHNH3+ group. Is this amino acid more likely to be found on the inside or the outside of the folded protein? Briefly explain. The addition of ethanol, CH3CHOH, t an aqueous solution lowers the surface tension of the solution. Predict whether adding ethanol to an aqueous protein solution will tend to stabilize or unfold the protein. Briefly explain.
When the voltage gated potassium channel moves from an open to a closed formation the 5th alpha helix shifts with relationship to the 6th alpha helix, pulling it out of the central pore. This change is an alteration to th [ Select ) Primary Secondary Teritary Quaternary structure of the protein.

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