Structural motifs of protein

Structural motifs - This lecture explains about protein motifs and domains structure. http://shomusbiology.com/
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This video tutorial describes the structural elements of a motif and the significance of motifs in forming a 3d protein structure.
In a chain-like organic molecule, corresponding to a protein or nucleic acid, a structural motif is a supersecondary structure, which additionally appears in a sort of different molecules. Motifs don't allow us to foretell the organic capabilities: they are determined in proteins and enzymes with numerous services.

Considering that the connection between major constitution and tertiary constitution isn't straightforward, two biopolymers may just share the identical motif yet lack appreciable important constitution similarity. In different words, a structural motif does not must be associated with a chain motif. Also, the existence of a sequence motif does now not always indicate a wonderful constitution. In most DNA motifs, for illustration, it is assumed that the DNA of that sequence does not deviate from the typical "double helical" constitution.
Source of the article published in description is Wikipedia. I am sharing their material. © by original content developers of Wikipedia.
Link- http://en.wikipedia.org/wiki/Main_Page Biochemistry, 4th Edition
Donald Voet, Judith G. Voet
November 2010, ©2011