Alpha helix: Difference between revisions
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<text>phi and psi</text> | <text>phi and psi</text> | ||
</jmolLink> | </jmolLink> | ||
</jmol>. If you plot phi against psi for each residue (so-called Ramachandran plot), you find that the phi/psi combination found in alpha helices fall into one of the three "allowed" (i.e. observed) areas for non-glycine residues. For a more detailed explanation with examples of Ramachandran plots, see [[Ramachandran Plot]] or [http://www.cryst.bbk.ac.uk/PPS95/course/3_geometry/rama.html Birkbeck's PPS95 course]. | </jmol>. If you plot phi against psi for each residue (so-called Ramachandran plot), you find that the phi/psi combination found in alpha helices fall into one of the three "allowed" (i.e. observed) areas for non-glycine residues. For a more detailed explanation with examples of Ramachandran plots, see [[Tutorial:Ramachandran Plot Inspection]], [[Ramachandran Plot]] or [http://www.cryst.bbk.ac.uk/PPS95/course/3_geometry/rama.html Birkbeck's PPS95 course]. | ||
'''Which amino acids are found in alpha helices?''' | '''Which amino acids are found in alpha helices?''' | ||
