>sp|Q914I2|Y050_SIFVH Uncharacterized protein 50 OS=Sulfolobus islandicus filamentous virus GN=SIFV0050 MSEPNQLTRDQMTEIVKNIVVSVDVNENAVVISAKRLLSYFLKNVEGLEKILKVDVDKDN SIVVYASVKPTNPNLKSIILKVAVKESAFNLSQFKHEIIKAGDDVNIKIYVQQNESRTLA KNSSEEEVDF