Which amino acid substitution in a protein is MOST likely to disrupt a beta-sheet structure due to steric hindrance?
Glycine to Valine
Alanine to Glycine
Valine to Isoleucine
Serine to Threonine
Related Questions
The β-pleated sheet structure found in proteins is due toÂ
Linking together of two or more polypeptides
Coiling of polypeptide chains
Formation of peptide bonds
Folding of the coiled polypeptide chains
Adult human haemoglobin consists of:
Two and two subunits
Four subunits
Four subunits
One and three subunits
The tertiary structure of the proteins containing amino acid cysteine is achieved through
Hydrogen bonds
Disulphide bonds
Van der Waal’s force
Ionic bonds
Proteins are?
Polysaccharides
Polyamides
Polynucleotides
Polyglycol
Molecular weight of protein is
12000
6000
<12000
600-3000
Which interaction plays the smallest role in stabilizing the 3D structure of most proteins?
Hydrophobic interactions
Hydrogen bonds
Disulfide bonds
Phosphodiester bonds
Many physiological functions are performed by proteins. One such function involves that some proteins discharge
Antibiotics
Hormones
Pigment making colours of flowers
Pigment conferring colour to skin
Name the most abundant protein in animal world
RUBISCO
Carboxylase-oxygenase
Collagen
Cellulose
If a polypeptide chain has 100 amino acids, how many C-terminals and N-terminals does it have?
One C-terminal and one N-terminal
100 C-terminals and 100 N-terminals
Two C-terminals and two N-terminals
No C-terminal or N-terminal
Which of the following is an example of a fibrous protein?
Hemoglobin
Insulin
Collagen
Myoglobin
