Secondary structure: Difference between revisions

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<applet load='1dtg' size='400' frame='true' align='right' caption='' scene='Secondary_structure/1dtg_ss/5'/>
<applet load='1dtg' size='400' frame='true' align='right' caption='' scene='Secondary_structure/1dtg_ss/1'/>
Testing versions of scene 1dtg_ss
Testing versions of scene 1dtg_ss


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Secondary structure of a protein refers to the three-dimensional structure of local segments of a protein.  Each type of secondary structure has segments that have a repeating conformational pattern which is produced by a repeating pattern of values for the [[Psi and Phi Angles|phi and psi torsional angles]].  For this reason, on a [[Ramachandran Plots|Ramachandran plot]], the values for phi and psi are located at a particular area of the plot for each secondary structure.
Secondary structure of a protein refers to the three-dimensional structure of local segments of a protein.  Each type of secondary structure has segments that have a repeating conformational pattern which is produced by a repeating pattern of values for the [[Psi and Phi Angles|phi and psi torsional angles]].  For this reason, on a [[Ramachandran Plots|Ramachandran plot]], the values for phi and psi are located at a particular area of the plot for each secondary structure.
{{Clear}}
{{Clear}}
<table width='410' align='right' cellpadding='10'><tr><td bgcolor='#eeeeee'><center>'''Secondary Structures of Sample Proteins'''<scene name='Secondary_structure/1dtg_ss/5'> (Initial scene)</scene></center></td></tr></table>
<table width='410' align='right' cellpadding='10'><tr><td bgcolor='#eeeeee'><center>'''Secondary Structures of Sample Proteins'''<scene name='Secondary_structure/1dtg_ss/1'> (Initial scene)</scene></center></td></tr></table>


There are three common secondary structures - helices, β-pleated sheets and turns, and there are several variations of each one of them.
There are three common secondary structures - helices, β-pleated sheets and turns, and there are several variations of each one of them.