Upon internalization, ferric enterobactin is processed via an exquisitely specific pathway that is dependent on FES activity, making iron available for metabolic use (By similarity). FES_YEREN MKSRGLSVSTTNEHPDSQRLLADPLAGSESWWQQIAQWGTPLVEPISEDKVRLTFLWREPVAGADEPTYSRVYIDVNGVTDHHSTHPETLQRLGQTHVWYWQAEVESDFRGSYSFMPVTAEHCLNLPEGTPQERRQAQRNWWISLMDLAQNDPFNHTAPHSSYRGRPLSAVHLADAIPQTAWQPIDAGQQLPTDTQRLQLITWHSELLGNSRNVWIYHTHGTEDNAERPLAILLDGQYWATRQPIFGVLDNETDAGRLPASVYVLIDIIDQPHRSVELPCNQDFWQALQTELLPQVAALQPFTDQASRTVVAGQSFGWVGLAICRITLAAAFWWCAESSPVPSGGRMLIISKL Ferric enterobactin esterase 353 Enterochelin esterase fes