>5CZ1_1|Chains A, B, C, D|integrase|Mouse mammary tumor virus (11757)
MVNPRGLKPRVLWQMDVTHVSEFGKLKYVHVTVDTYSHFTFATARTGEATKDVLQHLAQSFAYMGIPQKIKTDNAPAYVSRSIQEFLARWKISHVTGIPYNPQGQAIVERTHQNIKAQLNKLQKAGKYYTPHHLLAHALFVLNHVNMDNQGHTAAERHWGPISLEVLFQ