User:James D Watson/Structural Templates: Difference between revisions
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===Turns and loops=== | ===Turns and loops=== | ||
<applet load='5p21' size='350' frame='true' align='left' caption='Secondary structure - Alpha' scene='User:James_D_Watson/Structural_Templates/Secondary_structure_start/3'/> | |||
There are a number of small hydrogen bonded motifs and patterns which are observed regularly. These are described below:<UL> | There are a number of small hydrogen bonded motifs and patterns which are observed regularly. These are described below:<UL> | ||
<LI>Beta Turns - originally defined by the one hydrogen bond common to all (an i, i+3 hydrogen bond) but some modern descriptions do not require a hydrogen bond. | <LI>Beta Turns - originally defined by the one hydrogen bond common to all (an i, i+3 hydrogen bond) but some modern descriptions do not require a hydrogen bond. | ||
