Beta sheets

Carl 3lcid at
Tue Oct 8 10:14:00 EST 1996

Hi everyone,

	I'm looking for some opinions. What is the minimum length that can
be classed as a beta sheet? Is one residue sufficient? The specific example
is hydrogen bonds between 4 O - 23 N, and 4 N - 23 O with perfect phi/psi 
angles for beta sheet.  Is the cutoff arbitrary? Thanks in advance.

				Carl DeLuca

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