Highly specific toward aspartate and entirely inactive on glutamate, alanine and serine. L-aspartate = D-aspartate Inhibited by hydroxylamine, aminooxyacetate, phenylhydrazine and sodium borohydride. Optimum pH is 8 for both directions of the reaction. Optimum temperature is 25 degrees Celsius. Belongs to the aspartate/glutamate racemases family.