>5kzc_F mol:protein length:182 Engineered outer domain of gp120DTITLPCRPAPPPHCSSNITGLILTRDGGNSNAESEIFRPGGGDMRDIARCQIAGTVVSSQLFLNGSLAEEEVVIRSVNFTDNAKSICVQLATSVEIACTGAGHCAISRAKWANTLKQIASKLREQFGNAKTIIFKQSSGGDPEIVTHWFNCGGEFFYCASTQLFASTWFASTGTKHHHHHH