Sarkar, Dibyendu and Azaro, Marco A and Aihara, Hideki and Papagiannis, Christie V and Tirumalai, Radhakrishna and Nunes-Düby, Simone E and Johnson, Reid C and Ellenberger, Tom and Landy, Arthur (2002) Differential affinity and cooperativity functions of the amino-terminal 70 residues of lambda integrase. Journal of molecular biology, 324 (4). pp. 775-89. ISSN 0022-2836