Phage integrase

Phage integrase (PIN) mediates recombination between DNA recognition sequences - the phage attachment site attP and the bacterial attachment site attB^[1]. The Tyrosine family PIN uses a catalytic tyrosine to mediate strand cleavage while the Serine family PIN uses a serine residue. The High-Pathogenicity Island (HPI) is a genomic island essential for virulence of the family of Enterobacteria.

• The biological assembly of Enterobacteria phage λ integrase is .