Proteopedia:Featured EDU/1: Difference between revisions
featured Ramachandran principle and phi psi angles |
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<tr><td><div class="scrolling">'''Tutorial: The Ramachandran principle, phi (φ) and psi (ψ) angles in proteins'''<br> | |||
''by Eric Martz''<br> | |||
The Ramachandran Principle says that alpha helices, beta strands, and turns are the most likely conformations for a polypeptide chain to adopt, because most other conformations are impossible due to steric collisions between atoms. | The Ramachandran Principle says that alpha helices, beta strands, and turns are the most likely conformations for a polypeptide chain to adopt, because most other conformations are impossible due to steric collisions between atoms. | ||
Check Show Clashes to see where non-bonded atoms are overlapping, and thus in physically impossible positions. | Check Show Clashes to see where non-bonded atoms are overlapping, and thus in physically impossible positions. | ||
>>> [[Tutorial:Ramachandran_principle_and_phi_psi_angles|Visit this tutorial]] >>> | |||
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