Table 2.

Class II domain combinations specific to vertebrates

1393tbl2

[i] Gene models were classified according to Lee et al. (1999).

[ii] aNCBI Reference Sequence locus identifiers or UniProt IDs.

[iii] bPlus (+) and minus (−) indicate whether the combination was vertebrate-specific using the range of cutoff values; e.g., + in the −3 column indicates that the combination was vertebrate-specific at a cutoff E-value of 10−3.