Table 1. Lysine residues in HIV-1 Gag predicted to become ubiquitinated.

Peptide	Position	Score	Threshold
RLPGGKKKYLKHI	27	2.55	0.3
EEQNKSKKKAQQAAA	113	1.85	0.3
EQNKSKKKAQQAAAD	114	2.34	0.3
PDCKTILKALGPAAT	335	2.02	0.3
GVGGPGHKARVLAEA	359	2.91	0.3
KGCWKCGKEGHQMKD	418	1.74	0.3

The complete coding sequence of HIV-1 Gag was analyzed by a Bayesian Discriminant Method algorithm (http://bdmpub.biocuckoo.org/). The selected amino acids obtained the highest score for the prediction.