Intrinsic fluorescence of protein is due to Continue ReadingIntrinsic fluorescence of protein is due to
Among the following bonds where rotation is not allowed in a peptide chains? Continue ReadingAmong the following bonds where rotation is not allowed in a peptide chains?
Secondary structures of protein are mainly maintained by Continue ReadingSecondary structures of protein are mainly maintained by
Urea acts as a strong denaturant of proteins as it Continue ReadingUrea acts as a strong denaturant of proteins as it
Arrange the three residues, glycine, phenylalanine and proline, in the decreasing order of backbone flexibility Continue ReadingArrange the three residues, glycine, phenylalanine and proline, in the decreasing order of backbone flexibility
In a polypeptide chain, a cis-to-trans rearrangement of two consecutive proline residues can be achieved by rotating the Continue ReadingIn a polypeptide chain, a cis-to-trans rearrangement of two consecutive proline residues can be achieved by rotating the
Q. The measured values of main chain torsion angles of a residue in a polypeptide has values (Φ=+50, Ψ=+60). What type of secondary structure is it most likely to be present in? Continue ReadingQ. The measured values of main chain torsion angles of a residue in a polypeptide has values (Φ=+50, Ψ=+60). What type of secondary structure is it most likely to be present in?
The φ and ψ values of a 310-helix is composed of all D. amino acids will mainly occupy which quadrant in the Ramachandran plot? Continue ReadingThe φ and ψ values of a 310-helix is composed of all D. amino acids will mainly occupy which quadrant in the Ramachandran plot?
In peptides the values of dihedral angle phi (φ) is based on rotation around Continue ReadingIn peptides the values of dihedral angle phi (φ) is based on rotation around
phi, psi angles of a peptide segment adopting alpha helical conformation would be around Continue Readingphi, psi angles of a peptide segment adopting alpha helical conformation would be around