>tr|A0A7M3S3B7|A0A7M3S3B7_ECOHS Cation efflux system protein CusF OS=Escherichia coli O9:H4 GN=cusF MKKALQVAMFSLFTVIGFNAQANEHHHETMSEAQPQVISATGVVKGIDLESKKITIHHDP IAAVNWPEMTMRFTITPQTKMSEIKTGDKVAFNFVQQGNLSLLQDIKVSQ