(a) mRNA Viral strand DNA synthesis H A A translation begins here A mRNA G X174 Complementary strand DNA synthesis mRNA Segment of Spacer X174 DNA genome (b) A A(A) K Protein Ala) Gly(Lys STOPI DNA Sequence GCTGGTGGAAAATGAGGAAATTCAAT K Protein Leu Val GIu Asn GIu GIn Copyright1997.by John Wiley Sons.Inc.All rights reserved