>tr|A0A0E1SW45|A0A0E1SW45_ECOLX Sigma factor-binding protein Crl OS=Escherichia coli 53638 GN=crl MTLPSGHPKSRLIKKFTALGPYIREGKCEDNRFFFDCLAVCVNVKPAPEVREFWGWWMEL EAQESRFTYSYQFGLFDKAGDWKSVPVKDTEVVERLEHTLREFHEKLRELLTTLNLKLEP ADDFRDEPVKLTA