Nucleotide substitutions are numbered from the Est-P start codon and are relative to Est-P255S.
Nucleotide substitution: A233G.
Nucleotide substitution: T304C.
Nucleotide substitution: T1856A.
Nucleotide substitution: T2038A.
electrophoretic variant | slow
Isolated from: El Rio Vineyard, Acampo, California, USA population October 1991.