Binds to the 50S ribosomal subunit and prevents its association with the 30S ribosomal subunit to form the 70S initiation complex (By similarity). IF6_PYRHO Translation initiation factor 6 eif6 MHIERLDFENSPYLGVFGVATDRVVLIREGLQEKKLEVIRETLKVPVIEVSVMKSRIIGTLATGNSNAIILPWYVWDAEIERIKKALSEYGIDMEVVPFRSKYTALGNLILTNDKAALVSAKFSRKEAQEIGEILGVEVERGVIAGLHAVGSAGVVTNKGGLVHPETSDEELEWLSDLFKVDVYVGTANMGVPYVGTCMLANSNGVVVGHLTTGPEIVKIEEALGFV 227 PHBG043 PH0528