1. M. O. Dayhoff, W. C. Barker, and L. T. Hunt, this series, Vol. 91, p. 524.
2. Sequence Analysis in Molecular Biology;von Heijne,1988
3. Of URFS and ORFS: a Primer on How to Analyze Derived Amino Acid Sequences;Doolittle,1986
4. A general method applicable to the search for similarities in the amino acid sequence of two proteins