>tr|F4TA99|F4TA99_ECOLX Sigma factor-binding protein Crl OS=Escherichia coli M718 GN=crl MTLPSGHPKSRLIKKFTALGPYIREGKCEDNRFFFDCLAVCVNVKPAPEVREFWGWWMEL EAQESRFTYSYQFGLFDKAGDWKSVPVKDTEVVERLEHTLREFHEKLRELLTTLNLKLEP ADDFRDEPVKLTA