Wan, WY; Milner-White EJ (1999). "A natural grouping of motifs with an aspartate or asparagine forming two hydrogen bonds to amino acids ahead in sequence". Journal of Molecular Biology. 286 (5): 1633–1649. doi:10.1006/jmbi.1999.2552. PMID10064720.
Lee, J; Dubey VK (2008). "A logical OR redundancy within the asx-pro-asx-gly type I beta turn motif". Journal of Molecular Biology. 377 (4): 1251–1264. doi:10.1016/j.jmb.2008.01.055. PMID18308335.
Wan, WY; Milner-White EJ (1999). "A natural grouping of motifs with an aspartate or asparagine forming two hydrogen bonds to amino acids ahead in sequence". Journal of Molecular Biology. 286 (5): 1633–1649. doi:10.1006/jmbi.1999.2552. PMID10064720.
Lee, J; Dubey VK (2008). "A logical OR redundancy within the asx-pro-asx-gly type I beta turn motif". Journal of Molecular Biology. 377 (4): 1251–1264. doi:10.1016/j.jmb.2008.01.055. PMID18308335.