human_protein_name: AP-1 complex subunit sigma-1A
description: Fusion of the Vpu cytoplasmic domain (residues 28-80) to the BST2 cytoplasmic domain (residues 1-21) enhances binding to the beta, mu, and sigma subunits of adaptor-related protein complex 1 (AP1) in cells
human_protein_sequence: MMRFMLLFSRQGKLRLQKWYLATSDKERKKMVRELMQVVLARKPKMCSFLEWRDLKVVYKRYASLYFCCAIEGQDNELITLELIHRYVELLDKYFGSVCELDIIFNFEKAYFILDEFLMGGDVQDTSKKSVLKAIEQADLLQEEDESPRSVLEEMGLA