The peptide in this invention is a peptide having affinity to gp120
represented by
H-A1-A2-A3-A4-A5-R (SEQ ID No. 1) Formula (1)
(in the formula,
H means hydrogen,
A1 is aspartic acid, lysine, valine, glutamic acid, glycine, asparagine, or
tyrosine residue,
A2 is valine, aspartic acid, tryptophan, lysine, phenylalanine, isoleucine,
leucine, or tyrosine residue,
A3 is lysine, valine, aspartic acid, arginine, alanine, or tryptophan
residue,
A4 is alanine, tryptophan, or glycine residue,
A5 is glycine, alanine, valine, leucine, isoleucine, serine, threonine,
methionine, asparagine, glutamine, histidine, lysine, arginine,
phenylalanine, tryptophan, proline, or tyrosine residue,
R is OH derived from carboxyl group or NH.sub.2 derived from acid amide
group).
El peptide en esta invención es un peptide que tiene afinidad a gp120 representado por H-A1-A2-A3-A4-A5-R (fórmula SEQ de la identificación No. 1) (1) (en el fórmula, H significa el hidrógeno, A1 es ácido aspartic, lysine, valine, ácido glutamic, glycine, asparragina, o residuo del tyrosine, A2 es valine, ácido aspartic, tryptophan, lysine, phenylalanine, isoleucine, leucine, o residuo del tyrosine, A3 es lysine, valine, ácido aspartic, arginine, alanine, o residuo del tryptophan, A4 es alanine, tryptophan, o el residuo del glycine, A5 es glycine, alanine, valine, leucine, isoleucine, serine, threonine, methionine, la asparragina, el glutamine, el histidine, el lysine, el arginine, el phenylalanine, el tryptophan, el proline, o el residuo del tyrosine, R es OH derivado del grupo carboxyl o de NH.sub.2 derivado de grupo de amida ácido).
