>sp|Q914I2|Y050_SIFVH Uncharacterized protein 50 OS=Sulfolobus islandicus filamentous virus (isolate Iceland/Hveragerdi) OX=654908 GN=SIFV0050 PE=4 SV=1 MSEPNQLTRDQMTEIVKNIVVSVDVNENAVVISAKRLLSYFLKNVEGLEKILKVDVDKDN SIVVYASVKPTNPNLKSIILKVAVKESAFNLSQFKHEIIKAGDDVNIKIYVQQNESRTLA KNSSEEEVDF