>sp|P04618|REV_HV1H2 Protein Rev OS=Human immunodeficiency virus type 1 group M subtype B (isolate HXB2) OX=11706 GN=rev PE=1 SV=1 MAGRSGDSDEELIRTVRLIKLLYQSNPPPNPEGTRQARRNRRRRWRERQRQIHSISERIL GTYLGRSAEPVPLQLPPLERLTLDCNEDCGTSGTQGVGSPQILVESPTVLESGTKE