Description_x000D_ General description_x000D_ Human Flt1 ( GenBank Accession No. AF063657), amino acids 783-end with N-terminal His-tag, MW=67.5 kDa, expressed in a Baculovirus infected Sf9 cell expression system._x000D_ Application_x000D_ Useful for the study of enzyme kinetics, screening inhibitors, and selectivity profiling._x000D_ Unit Definition_x000D_ One unit is defined as the amount of enzyme that will transfer 1 nmol phosphate to the tyrosine substrate per minute at pH 7.4 and 30°C.