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Table 1 Alignment of amino acid sequences of the Env glycoprotein gp120 at position 218 to 239.

From: HIV-1 neutralization by monoclonal antibody against conserved region 2 and patterns of epitope exposure on the surface of native viruses

  Clade Accession no. 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240
C2E    D E P I P I H Y C T P A G Y A I L K C N D K N
NP1525 AE AAW57720 . . . . . . . . . . . . . . . . . . . . . . K
MENO23 AE AY621208 . . . . . . . . . . . . . . . . . . . . . . .
MENO43 AE AY621222 . . . . . . . . . . . . . . . . . . . . . . .
92BR025 C AAB61124 . . . . . . . . . A . . . . . . . . . . N . T
DU174 C DQ411853 . . . . . . . . . A . . . . . . . . . . N N K
SF162 B P19550 E . . . . . . . . A . . . F . . . . . . . . K
QH0692 B AY669730 F . . . . . . . . A . . . F . . . . . . N . T
IIIB B AB037858 E . . . . . . . . A . . . F . . . . . . N . T
MN B P05877 E . . . . . . . . A . . . F . . . . . . . . K
VI191 A ABY26917 E . . . . . . . . A . . . F . . . . . R . . E
92RW009 A AY669700 F . . . . . N . . A . . . F . . . . . K . . K
92UG024 D AAT67532 E . . . . . . . . A . . . F . . . . . . N . M
  1. Dots and dashes indicate similarity of amino acids, respectively.
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