>tr|W1F3X0|W1F3X0_ECOLX Sigma factor-binding protein Crl OS=Escherichia coli ISC7 GN=crl MTLPSGHPKSRLIKKFTALGPYIREGKCEDNRFFFDCLAVCVNVKPAPEVREFWGWWMEL EAQESRFTYSYQFGLFDKAGDWKSVPVKDTEVVERLEHTLREFHEKLRELLTTLNLKLEP ADDFRDEPVKLTA