>sp|Q8X5W0|BTUD_ECO57 Vitamin B12 import ATP-binding protein BtuD OS=Escherichia coli O157:H7 OX=83334 GN=btuD PE=3 SV=1
MSIVMQLQDVAESTRLGPLSGEVRAGEILHLVGPNGAGKSTLLARMAGMTSGKGSIQFAG
QPLEAWSATKLALHRAYLSQQQTPPFAMPVWHYLTLHQHDKTRTELLNDVAGALALDDKL
GRSTNQLSGGEWQRVRLAAVVLQITPQANPAGQLLLLDEPMNSLDVAQQSALDKILSALC
QQGLAIVMSSHDLNHTLRHAHRAWLLKGGKMLASGRREDVLTPPNLAQAYGMNFRRLDIE
GHRMLISTI