Nucleotide and amino acid sequences of gene G of φX174

The nucleotide sequence of the coding region of gene G of φ X174 and the amino acid sequence of the G -coded “spike” protein of the virion have now been completed. From the 5′ A of the initiating ATG to the 3′ end of the terminator triplet, the gene consists of 528 nucleotides and codes for a protein of 175 amino acids, molecular weight 19,053.