>sp|B7US48|BTUD_ECO27 Vitamin B12 import ATP-binding protein BtuD OS=Escherichia coli O127:H6 (strain E2348/69 / EPEC) OX=574521 GN=btuD PE=3 SV=1
MSIVMQLQDVAESTRLGPLSGEVRAGEILHLVGPNGAGKSTLLARMAGMTSGKGSIQFAG
QPLEAWSATKLALHRAYLSQQQTPPFAMPVWHYLTLHQHDKTRTELLNDVAGALALDDKL
GRSTNQLSGGEWQRVRLAAVVLQITPQANPAGQLLLLDEPMNSLDVAQQSALDKILSALC
QQGLAIVMSSHDLNHTLRHAHRAWLLKGGKMLASGRREEVLTPANLAQAYGMNFRRLDIE
GHRMLISTI