Protein motifs. 3. The parallel beta helix and other coiled folds.
Yoder, M.D., Jurnak, F.(1995) FASEB J. 9: 335-342
- PubMed: 7896002 
- PubMed Abstract: 
A new type of structural domain, composed of all parallel beta strands, has been observed within the last year. An analysis of the basic types suggests that there are two distinct classes: the parallel beta helices, which belong to a tri beta-strand ...