Nucleotide substitution: A175G. Nucleotide substitution: T1237C. (Substitutions are relative to the "S26-F" strain. Transcription start site corresponds to nucleotide position 1184).
Nucleotide substitution: T54C Nucleotides are numbered from the initiation codon.
Isolated from: El Rio Vineyard, Acampo, California, USA, October 1991.