>5CZ2_1|Chains A, B, C, D, E, F, G, H, I, J, K, L|Pol polyprotein|Mouse mammary tumor virus (strain BR6) (11758) ALESAQESHALHHQNAAALRFQFHITREQAREIVKLCPNCPDWGHAPQLGVNPRGLKPRVLWQMDVTHVSEFGKLKYVHVTVDTYSHFTFATARTGEATKDVLQHLAQSFAYMGIPQKIKTDNAPAYVSRSIQEFLARWKISHVTGIPYNPQGQAIVERTHQNIKAQLNKLQKAGKYYTPHHLLAHALFVLNHVNMDNQGHTAAERHWGP