amino acid sequence: HVSYTLTPGALDINWR
For the antiparallel b-sheet sequence, sketch the structure;
denote R
groups as one letter codes, hydrogen-bonds with dashed lines, and
label the b-turn. Do
you expect this small b-sheet to be hydrophilic, hydrophobic, or
amphipathic?
amino acid sequence: HVSYTLTPGALDINWR
For the antiparallel b-sheet sequence, sketch the structure;
denote R
groups as one letter codes, hydrogen-bonds with dashed lines, and
label the b-turn. Do
you expect this small b-sheet to be hydrophilic, hydrophobic, or
amphipathic?
The beta sheet formed by the sequence might be Amphipathic as most of the hydrophillic sequence on side and hydrophobic sequence on the other side.
amino acid sequence: HVSYTLTPGALDINWR For the antiparallel b-sheet sequence, sketch the structure; denote R groups as...
Water-soluble proteins, such as myoglobin, tend to fold such that hydrophilic and hydrophobic amino acid R groups form hydrogen bonds with each other. hydrophobic amino acid R groups are on the interior of the protein and hydrophilic groups are on the outside. all peptides form hydrogen bonds with water. hydrophilic amino acid R groups are on the interior of the protein and hydrophobic groups are on the outside.
State which of these amino acids have R groups that would: a. be found in hydrophobic regions b. be found in hydrophilic regions c. form hydrogen bonds d. form salt bridges Drag the appropriate items to their respective bins. Items may be used more than once. Reset Help aspartate aspartato glycine alycine arginine arginine R groups in hydrophobic regions R groups in hydrophilic regions R groups forming hydrogen bonds Rgroups forming salt bridges
PA groups oft What type of interaction would you expect between the R groups of the following amino acids in a quaternary structure? Drag the appropriate items to their respective bins. Reset Help glutamate and arginine asparagine and tyrosine alanine and proline phenylalanine and isoleucine Hydrophobic interaction Hydrophilic interaction Salt bridge Hydrogen bond
1.) Draw the structure of the amino acid Serine(ser), which has R=-CH2-OH. Label the alpha carbon. 2.) Draw the dipeptide that forms between serine and alanine. The dipeptide sequence is Ser-Ala. Label the peptide bond. 3.) How many amino acids residues are in a polypeptide containing 6 peptide bonds? How many peptide bonds are in a tripeptide 4.) Sketch a alpha-helix and a beta-sheet as best as you can. Label each.
1. What is the name for the dipeptide shown below 2. Label each as primary, secondary, tertiary, or quaternary 3. Indicate whether each is hydrophobic or hydrophilic: Ananine, Tyr, Lysine, V CH, O CH OH NH-CH=C-NHCHCOOH The protein folds into a compact structure stabilized by interactions between R groups. the combination of two or more protein molecules to form an active protein pleated sheet the peptide bonds between the amino acids the structural level achieved when hydrogen bonds form between...
Question 11. Certain amino acids destabilize or prevent formation of alpha-helices. Which amino acid is more likely to be found in these structures based on its charge and R-group size? A. Glycine B. Proline C. A sequence of several Glutamate D. A sequence of several Lysine E. Alanine Question 12. Which of the following is least likely to result in protein denaturation? A) Altering net charge by changing pH B) Changing the salt concentration C) Disruption of weak interactions by...
which of the following is not a way in which amino acid structure in sequence might affect the properties of a protein a) Amino acid side chains form peptide bonds with each other causing the molecule to twist into a secondary structure b) Amino side chains interact with each other causing polypeptides to bend into a tertiary structure c) Hydrogen bonding between every fourth amino acid results in the formation of a coil called an a helix d) Hydrogen bonding...
Understand alpha helices and beta pleated sheets Question How is it possible for the a-helix to have amino acids with bulky side chains while the B-pleated sheets cannot? Select the correct answer below: O The R groups in the a-helix stabilize the structure, while they interfere with the hydrogen bonds in a B-pleated sheet. The R groups are contained inside the a-helix structure, while they interfere with the hydrogen bonds in a B- pleated sheet. O The R groups lie...
added part a of the question for clarity 1. Polypeptides are the natural polymer of the naturally occurring amino acids. Their structure can be considered at various levels to consist of Primary: amino acid sequence secondary: regions of ordered structure (a-helix, B-sheet, etc.) tertiary: overall 3D shape; folding quarterniary: interaction of protein sub-units (a) Consider the following segment of a polyamide H Show the resonance structures for the amide bond (in the box) (i) (ii) Indicate what o and w...
PRELAB ASSIGNMENT 1 Draw the structure of the amino acid son CH-OH Label the alpha carbon acid Sorine (en) which has R MO CHE OH CH2 OH 2. Draw the dipeptide that forms betw the peptide bond. s between serine and alanine The dipeptide sequence is Ser Ala Lace CH NCH H, A - — сH — с CH2 OH 3. How many amino aci arty amino acid residues are in a polypeptide containing 6 peptide bonos How many peptide...