>sp|P03331|GAG_FRSF5 Gag polyprotein OS=Friend spleen focus-forming virus GN=gag MGQTVTTPLSLTLEHWEDVQRTASNQSVDVKKRRWVTFCSAEWPTFGVGWPQDGTFNLDI ILQVKSKVFSPGPHGHPDQVPYIVTWEAIAYEPPPWVKPFVSPKLSPSPTAPILPSGPST QPPPRSALYPALTPSIKPGPSPIMADLSLTFSQKTLRRTEDRDRPPLTEMATEKRPPPLL RFLPPLP