Table I. Percentage difference in amino... | Rockefeller University Press

Table I.

Percentage difference in amino acid sequence among different strains of immunodeficiency viruses

Protein	Consensus Clade B^{^a} versus Clade B isolates^{^b}	SIVmac239^{^a} versus SIVsmE660^{^b}	Consensus Clade B^{^a} versus Clade C isolates^{^b}
	%	%	%
Tat	12.5	26.0	30.5
Rev	12.1	25.0	35.3
Nef	17.7	21.3	35.2
Vif	6.8	17	18.1
Env	27.4	15.1	53.1
Vpr	9.8	12.0	17.3
Pol	3.2	8.3	10.0
Gag	4.4	8.0	16.4

Protein	Consensus Clade B^a versus Clade B isolates^b	SIVmac239^a versus SIVsmE660^b	Consensus Clade B^a versus Clade C isolates^b
	%	%	%
Tat	12.5	26.0	30.5
Rev	12.1	25.0	35.3
Nef	17.7	21.3	35.2
Vif	6.8	17	18.1
Env	27.4	15.1	53.1
Vpr	9.8	12.0	17.3
Pol	3.2	8.3	10.0
Gag	4.4	8.0	16.4

The mean percentage difference per protein of five clade B and five clade C isolates in comparison to the consensus clade B amino acid sequence. The clade B and C isolates were obtained from the Los Alamos National Laboratory HIV sequence database.

Vaccine strain.

Challenge strain.

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