Dihedral/Dihedral angles in proteins
From Proteopedia
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==Dihedral angles in proteins: Phi and Psi== | ==Dihedral angles in proteins: Phi and Psi== | ||
<StructureSection load='1iy4_34-36.pdb' size='400' side='right' caption='a tripeptide' scene='61/611457/Initial_display/1'> | <StructureSection load='1iy4_34-36.pdb' size='400' side='right' caption='a tripeptide' scene='61/611457/Initial_display/1'> | ||
| - | + | The model on the right is a tripeptide (Trp<sub>34</sub>–Glu<sub>35</sub>–Ser<sub>36</sub> within the protein lysozyme). | |
| - | This page illustrates the meaning of phi (ϕ) and psi (ψ) angles, both around the alpha carbon of the central residue (Glu<sub>35</sub>). | + | This page illustrates the meaning of phi (ϕ) and psi (ψ) angles, both around the alpha carbon of the central residue (Glu<sub>35</sub>). |
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| + | You can run animations that continuously rotate the model changing one of the angles, or use the slider or controls to manually progress through different values of the angles. | ||
| + | Bright magenta cylinders are displayed where neighbour atoms collide (hence there is an unfavourable conformation for those ϕ, ψ values). | ||
</StructureSection> | </StructureSection> | ||
== References == | == References == | ||
<references/> | <references/> | ||
Revision as of 19:55, 1 December 2014
Dihedral angles in proteins: Phi and Psi
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