EIF4EBP1 GI:4758258 eukaryotic translation initiation factor 4E binding protein 1 1 msggsscsqt psraipatrr vvlgdgvqlp pgdysttpgg tlfsttpggt 50 51 riiydrkflm ecrnspvtkt pprdlptipg vtspssdepp measqshlrn 100 101 spedkragge esqfemdi