>sp|Q1A264|TAT_SIVMB Protein Tat OS=Simian immunodeficiency virus (isolate MB66) OX=388911 GN=tat PE=3 SV=1 MEPIDPNLEPWNHPGSQPKTACNNCYCKQCCYHCQLCFTKKGLGISYGRRKRKQRRRTSE SSQNHQDPVPKQPLSQPGGIETGQKKSKKEVESQTTSDQFA