4-hydroxyeicosasphinganine 1-phosphate + H2O <=> (4R)-hydroxyeicosasphinganine + phosphate
4-hydroxyeicosasphinganine 1-phosphate + h2o <=> (4r)-hydroxyeicosasphinganine + phosphate
4-hydroxyeicosasphinganine 1-phosphate + H2O <=> (4R)-hydroxyeicosasphinganine + phosphate
4-hydroxyeicosasphinganine 1-phosphate + h2o <=> (4r)-hydroxyeicosasphinganine + phosphate