Table 3.

Observed frequencies of amino acid residues at each position in the gp41 6-mer motifs NWFDIT and ELDKWA out of 250 sequences in the Los Alamos database

MotifAmino acidFrequency of amino acid residue in motif:
NWFDIT
NWFDIT (gp160, aa 671–676)
A000101
D200 153 00
E000300
F00 241 000
G0001000
I0000 249 0
L006000
M000010
N 187 002700
P001000
S490152075
T120030 174
W0 249 0000
Y001100
Stop010000
ELDKWA (gp160, aa 662–667)
ELDKWA
A1070000198
D00 245 007
E12201906
F010000
G200003
H000100
K600 202 07
L0 249 0000
N004604
P000001
Q110010014
R000100
S1001803
T1200307
V100000
W0000 248 0
Stop000020