Synthetic peptides containing the epitopic sequence HTLV env (578-608) of the formula:
W-X-Ala-Arg-Ile-Leu-Ala-Val-Glu-Arg-Tyr-Leu-Lys-Asp-Gln-Gln-Leu-Leu-Gly-Ile-Trp-Gly-Cys-Ser-Gly-Lys-Leu-Ile-Cys-Thr-Thr-Ala-Val-Y-Z (I)
wherein W is H-, Cys- or Tyr-, X is a bond or a sub-sequence of one or more amino acids starting from the carboxyl terminus of HLTV-III env (557-577); Y is a bond or a sub-sequence of one or more amino acids starting from the amino terminus of HTLV-III env (609-641); and Z is -OH, -NHÊ -Cys-NHÊ, provided however that one of X and Y is a bond, are disclosed which peptides are useful as reagents in immunoassays for detection of AIDS antibodies, as immunogens for eliciting polyclonal or monoclonal antibodies against AIDS virus env protein and as components in an AIDS vaccine.
含有 HTLV env (578-608) 表位序列的合成肽,其结构式为
W-X-Ala-Arg-Ile-Leu-Ala-Val-Glu-Arg-Tyr-Leu-Lys-Asp-Gln-Gln-Leu-Gly-Ile-Trp-Gly-Cys-Ser-Gly-Lys-Leu-Ile-Cys-Thr-Thr-Ala-Val-Y-Z (I)
其中 W 是 H-、Cys- 或 Tyr-,X 是一个键或一个或多个
氨基酸的子序列,从 HLTV-III env(557-577)的羧基末端开始;Y 是一个键或一个或多个
氨基酸的子序列,从 HTLV-III env(609-641)的
氨基末端开始;这些
多肽可用作检测艾滋病
抗体的免疫测定试剂、诱导针对艾滋病病毒 env 蛋白的多克隆或单克隆
抗体的免疫原以及艾滋病疫苗的成分。