Abstract
Human Immunodeficiency Virus (HIV) is the etiologic agent of Acquired Immunodeficiency Syndrome (AIDS). The envelope of the virus contains the glycoprotein 120 (gp120) which is formed by five constant regions and five variables, among which is the V3 loop. The V3 loop / region is formed by 35 amino acids being one of the main targets of the immune system and at its top (motif) has an amin…