>4EXH_1|Chains A, B|Putative gag-pro-pol polyprotein|DG-75 Murine leukemia virus (114654) MHHHHHHTLGDQGGQGQEPPPEPRITLKVGGQPVTFLVDTGAQHSVLTQNPGPLSDKSAWVQGATGGKRYRWTTDRKVHLATGKVTHSFLHVPDCPYPLLGRDLLTKLKAQIHFEGSGAQVVGPMGQPLQVL >4EXH_2|Chains C[auth J], D[auth M], E[auth P]|ACETYL-PEPSTATIN|Streptomyces (1883) XVVXAX