Proteopedia:Featured EDU/1
From Proteopedia
(Difference between revisions)
| Line 1: | Line 1: | ||
<table> | <table> | ||
<tr><td>[[Image:Phi-psi-clashes-1.png|center|300px]]</td></tr> | <tr><td>[[Image:Phi-psi-clashes-1.png|center|300px]]</td></tr> | ||
| - | <tr><td>'''Tutorial: The Ramachandran principle, phi (φ) and psi (ψ) angles in proteins'''< | + | <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. | ||
Revision as of 12:17, 18 October 2018
 |
Tutorial: The Ramachandran principle, phi (φ) and psi (ψ) angles in proteins
by Eric Martz |
