>sp|Q71TD7|U2_BPP1 Tail fiber assembly protein U' OS=Escherichia phage P1 GN=U' MMHLRNITAGNPKTKEQYQLTKQFNIKWLYTEDGKNWYEEQKNFQYDTLKMAYDHNGVII CIEKDVSAINPEGASVVELPDITANRRADISGKWMFKDGVVVKRTYTEEEQRQQAENEKQ SLLQLVRDKTQLWDSQLRLGIISAENKQKLTEWMLFAQKVESTDTSSLPVTFPEQPE