Draw a diagram of the hydrogen bonding interactions in a right-handed alpha helix (show all main chain atoms).

Q: Draw the resonance contributors of the peptide bond in the less stable configuration.

A: Proteins are biomolecules made up of long chains of amino acids linked by a peptide bond which serve…

Q: Draw the folded tertiary structure of a polypeptide of at least five amino acids including most of…

A: Structural biochemistry is the discipline of biochemistry concerning the structural elements of…

Q: The chain 3 subunit contains the amino acid sequence shown below. This sequence contains one alpha…

A: An alpha-helix is defined as a repetitive structure having a spiral structure. Alpha-helix is a type…

Q: Which of the following is primarily responsible for stabilizing the a-helix, a type of secondary…

A: "Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: In an alpha helix, the carbonyl oxygen of residuen is hydrogen bonded to the amide proton of residue…

A: In alpha helix the carbonyl oxygen of residue there is one hydrogen bonds between the oxygen bonded…

Q: Describe the properties of the principal types of secondary structure, including the α helix, the β…

A: The alpha helix is a common motif in the secondary structure of proteins and is a right hand-helix…

Q: What do you mean by double helix ? Explain with the help of a diagram.

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: A biochemist is designing a peptide that will form the most stable α-helix possible. He needs to…

A: The helix which has to be made must have a polar and non-polar surface and it should be highly…

Q: What is full name of the N-terminal amino acid residue? Just type the name (one word). What is the…

A: Amino acids are compounds containing carbon, hydrogen, oxygen and nitrogen. They are monomers or…

Q: Which of the following characterize -helix regions of proteins? (A) They all have the same primary…

A: Helix is a protein structure that looks like a moving staircase or a spring. The wire of the spring…

Q: Proline is sometimes found as one of the first four residues of an alpha helix. Proline is less…

A: Proline is one of the 20 standard amino acids which has an amino group (NH2), a carboxyl group…

Q: Lamin polypeptides (nuclear lamina) form dimers in which the central α-helical regions of two…

A: The nuclear lamina, a network of intermediate filaments lining the inner surface of the nuclear…

Q: Which of the following statements are correct about the native state of a protein (select all that…

A: Protein is a complex biopolymer coded by genetic codons in mRNA. They are involved in various types…

Q: List some of the differences between the α-helix and β-sheet forms of secondary structure.

A: Proteins are formed when amino acids are linked with peptide bonds. Proteins are mainly large in…

Q: What is the difference between a phosphoester bondand a phosphodiester linkage?

A: The smallest particle of matter is called an atom. It is the very basic structural unit of any…

Q: Identify the number of amino acids per 360o turn of an alpha helix. Given this information, how many…

A: Proteins are composed of higher folding of linear chain amino acids adjoined via peptide linkages.…

Q: Why should the BRCA1 protein be considered one of the best macromolecules within proteins? Is BRCA1…

A: The proteins encoded via the two main breast maximum cancers susceptibility genes are BRCA1 and…

Q: Draw the structure of 2 five-mers (draw backbones with side chains shown as R groups) forming a beta…

A: The secondary structures of proteins are the alpha helix and beta sheets. Alpha helix forms a spiral…

Q: A) Draw the structure and give the name of a nucleotide made of G + ribose. B) Write the…

A: Ribonucleic acid (RNA) is a polymer of ribonucleotides that participate in diverse biological roles…

Q: Identify the parts of the heterotrimeric G-protein shown in the image. B

A: Introduction :- G proteins, also known as guanine nucleotide-binding proteins, are a group of…

Q: Name the enzyme which helps in formation of peptide bond?

A: The peptide bond is a chemical bond and is formed when the carboxyl group of one molecule reacts…

Q: Consider the sequences (i-iv) that represent sections of a protein. i) -AEEAAAAMAAAAMAAY ii)…

A: Secondary structure is the formation of regular patterns through interaction between nearby…

Q: Given the polypeptide chain below: Alanine - Arginine - Valine - Histidine - Aspartic acid -…

A: Amino acids are organic molecules comprised of two functional groups that are an amino group and the…

Q: Which statement is true regarding an a helix,

A: There are two most common types of secondary protein structures: a. alpha helix…

Q: An π helix can be described as a 4.4 helix. Explain 16 what this designation means. Given the pitch…

A: ●A π helix is a type of secondary structure found in proteins.The amino acids in a standard π-helix…

Q: -Explain the a-helix and B-sheet structure of polypeptides.

A: Proteins are an important class of biomacromolecule. Proteins are made up of monomeric units called…

Q: Refer to the figure below, what are the following forces of attraction is involved in the protein…

A: The tertiary structure of the protein is a 3D structure established and stabilised by the…

Q: Consider a protein with the following amino acid sequence: -R-V-G-M-A-E-I-Q–V–L-K-F-V-I-H–L- Which…

A: The 2° (secondary) structure of the peptide chains can be determined using the Chou-Fasman algorithm…

Q: N-terminus

A: Amino Acid units that make up a protein molecule are joined together in a precise sequence. The…

Q: Some alpha helices might be amphipathic. Where exactly in the protein structure would you find this…

A: The alpha-helix is a common motif in the secondary structure of proteins and is a right handed helix…

Q: What needs to happen to the polypeptide to form a protein?

A: Proteins are called the building blocks  of life. They are important biomolecule made up of amino…

Q: Which of the following statements about alpha-helix and beta-sheet structure are true? More than one…

A: A protein's function depends on its structure. There are four levels of protein structure: primary,…

Q: Which amino acids would you expect to find marked on the alpha helix? Alanine Isoleucine Leucine…

A: A prevalent motif in the secondary structure of proteins, the alpha helix (-helix) is a right-hand…

Q: Draw the resonance structure of a tripeptide peptide backbone, indicating the N- and C-terminal and…

A: Peptides are molecules composed of amino acids joined together through peptide bonds. The peptide…

Q: Draw the structure of an α-helix (polypeptide backbone only, no side chains) as accurately as…

A: α-helix is the secondary structure of the proteins in which H-bonding play the predominant role.…

Q: Given the Ramachandran Plot below, identify the protein components that could adopt the phi-psi…

A: Ramchandran plot is a two dimensional plot used to visualize energetically allowed regions for…

Q: What are nucleic acids? Why are they important

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: Examine the a-helix conformation. Are amino acid side chains arranged all inside the helix, all…

A: The secondary structure of the protein is a three-dimensional form of protein. The alpha helices and…

Q: Within a naturally-occurring polypeptide, under neutral pH conditions (pH = 7.0), which of the…

A: According to central dogma, the final synthesis in the body is from the RNA to protein. As the…

Q: If the polypeptide chain GHREAQNF were in an alpha helix, then the alpha am group of amino acid N…

A: The alpha helix of a protein structure is a type of regular secondary structure where successive…