>tr|K3SRD7|K3SRD7_ECOLX 19 kDa periplasmic protein OS=Escherichia coli EC1865 GN=p19 PE=4 SV=1 MKKTLIASAVMASIFIAPAAFAFKEYPAGEPVTMNEMELAAVYLQPIDMEPRGMGLPAAKADVHLEADIHAVEGNKNGFG AGEWIPYLTISYTLVNNDTGEKQEGTFMPMVASDGPHYGANIKMMGVGNYKVTYHIEPPSKAGMHRHTDSETGVGRWWKP FDVSYEFKYVGLN