The typographical corrections below were made to the article on the date noted. These changes have been incorporated in the article and the details are documented here.

29 May 2003:

In Table 1, the common name for Homo sapiens was listed as "Jeremy Nathans" in four places (in the entries for humanblue.pep, humangren.pep, humanred1.pep, and humanrhod.pep). These entries have been corrected to "human."