TLS Online TPP Program

#Question id: 669


Ramachandran determined the ʺallowedʺ values of the phi and psi angles primarily by considering ________.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. pKa values of the amino acids 

  2. the hydropathy of amino acids

  3. steric hindrance    

  4. hydrogen bonding effects