4-O-phospho-L-tyrosine + H2O <=> L-tyrosine + phosphate
4-o-phospho-l-tyrosine + h2o <=> l-tyrosine + phosphate
4-O-phospho-L-tyrosine + H2O <=> L-tyrosine + phosphate
4-o-phospho-l-tyrosine + h2o <=> l-tyrosine + phosphate