>sp|P0ABL8|CCMB_ECOLI Heme exporter protein B OS=Escherichia coli GN=ccmB MMFWRIFRLELRVAFRHSAEIANPLWFFLIVITLFPLSIGPEPQLLARIAPGIIWVAALL SSLLALERLFRDDLQDGSLEQLMLLPLPLPAVVLAKVMAHWMVTGLPLLILSPLVAMLLG MDVYGWQVMALTLLLGTPTLGFLGAPGVALTVGLKRGGVLLSILVLPLTIPLLIFATAAM DAASMHLPVDGYLAILGALLAGTATLSPFATAAALRISIQ