>sp|P19554|VPU_HV1S1 Protein Vpu OS=Human immunodeficiency virus type 1 group M subtype B (isolate SF162) OX=11691 GN=vpu PE=1 SV=1 MQPLQILAIVALVVAAIIAIVVWTIVYIEYRKILRQRKIDRLIDRITERAEDSGNESEGD QEELSALVERGHLAPWDVDDL