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User:Tilman Schirmer/Sandbox 100
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< User:Tilman Schirmer(Difference between revisions)
(New page: == Secondary structure of proteins == == Repetitive torsion angles == A polypeptide chain with a repetition of identical phi-psi torsion angles yields a helical structure. Examples...) |
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| + | see also preceding chapter [[User:Tilman_Schirmer/Sandbox_99|peptide bond]] | ||
| + | |||
| + | ---- | ||
== Secondary structure of proteins == | == Secondary structure of proteins == | ||
| + | outline: | ||
| + | [[User:Tilman Schirmer/Sandbox 110|Repetitive torsion angles]] | ||
| - | + | [[User:Tilman Schirmer/Sandbox 111|α-Helix]] | |
| + | [[User:Tilman Schirmer/Sandbox 112|parallel β-sheet]] | ||
| - | + | [[User:Tilman Schirmer/Sandbox 113|antiparallel β-sheet]] | |
| - | Examples: | ||
| - | fully extended chain: phi-psi = (180, 180), model, Ca-trace | ||
| - | extended chain: phi-psi = (-140, 130), model, Ca-trace; this is the beta-strand conformation found in beta-sheets | ||
| - | phi-psi = (70, -180), model, Ca-trace; note the severe clashes | ||
| - | phi-psi = (-60, -40), model, Ca-trace; this is the alpha-helical conformation | ||
| - | phi-psi = (-50, -26), model, Ca-trace; this is the conformation of a 310 helix | ||
| + | ---- | ||
| - | == | + | == Next Topic == |
| + | [[User:Tilman_Schirmer/Sandbox_120|anatomy of a protein]] | ||
| + | == Notes == | ||
| - | + | see also http://proteopedia.org/wiki/index.php/User:James_D_Watson/Structural_Templates, [[Secondary_structure]] | |
Current revision
see also preceding chapter peptide bond
Secondary structure of proteins
outline:
Next Topic
Notes
see also http://proteopedia.org/wiki/index.php/User:James_D_Watson/Structural_Templates, Secondary_structure
