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Does amylase contain both an alpha helix and a beta pleated sheets?
Yes, amylase contains both alpha helices and beta pleated sheets in its secondary structure. These structures are important for maintaining the enzyme's functional conformation and catalytic activity.
Alpha helices and beta-pleated sheets are examples of .?
protein secondary structures, which are common motifs found in protein folding. Alpha helices are formed by a right-handed coil of amino acids stabilized by hydrogen bonding, while beta-pleated sheets are formed by hydrogen bonding between adjacent strands of amino acids running in parallel or antiparallel orientation.
What can form a structure such as a helix or a sheet?
Proteins can form structures such as a helix or a sheet due to the specific arrangement of amino acids in their sequence. The hydrogen bonding between the amino acids in the polypeptide chain determines the secondary structure of the protein, leading to the formation of helices and sheets.
What are the two most common secondary structures in a protein?
The two types of tertiary protein structures: globular and fibrous proteins. Globular proteins act as enzymes that catalyze chemical reactions in organisms. Fibrous proteins like collagen play structural role.
Which type of interaction stabilizes the alpha helix and the beta pleated sheets of a protein?
Hydrogen bonding is the primary interaction that stabilizes the alpha helix and beta pleated sheets of a protein. In the case of alpha helices, hydrogen bonds form between the carbonyl oxygen of one amino acid residue and the amide hydrogen of another residue in the chain. In beta sheets, hydrogen bonds form between adjacent strands of the sheet.
How many beta sheet hemoglobin have?
Hemoglobin does not contain beta sheets. It is a globular protein composed of four subunits - two alpha and two beta subunits in adults (hemoglobin A). Each subunit consists of alpha-helices, not beta sheets.
What does a protein's alpha helices and beta sheets fold together to create?
Alpha helices and beta sheets fold together to create the secondary structure of a protein, forming the protein's overall 3D shape. This structure helps determine the protein's function by influencing how it interacts with other molecules in the body.
Betta pleated sheets are characterized by?
folds stabilized by hydrogen bonds between segments of the polypeptide backbone.
What does Alpha helix and beta pleated sheets make up?
together they make a secondary protein structure
What levels of protein folding would include shapes identified as helix and pleated sheet?
The secondary level of protein folding includes the formation of alpha helices and beta sheets, which are common in protein structures. These structures result from hydrogen bonding between amino acids in the protein chain, leading to the characteristic helical or sheet-like shapes.
What type of secondary structure does hemoglobin have?
Hemoglobin is a protein with a combination of secondary structures, predominantly consisting of alpha helices and beta sheets. These structural elements help maintain the shape and function of hemoglobin as a globular protein.
What gives spider dragline silk its strength?
the H-bonds form a backbone of β-pleated sheets which gives the silk its strength.
