In direct ELISAs and Western blots, this antibody shows less than 1% cross-reactivity with recombinant human (rh) HES-1, rhHES-2, rhHES-5, and rhHES-7. Reconstitute at 0.2 mg/mL in sterile PBS. HES4, or Hes Family BHLH Transcription Factor 4, is a gene l