>2NEF_1|Chain A|NEGATIVE FACTOR (F-PROTEIN)|Human immunodeficiency virus type 1 (11678) AWLEAQEEEEVGFPVTPQVPLRPMTYKAAVDLSHFLKEKGGLEGLIHSQRRQDILDLWIYHTQGYFPDWQNYTPGPGIRYPLTFGWCYKLVPVEPEKLEEANKDDPEREVLEWRFDSRLAFHHMARELHPEYFKNA