title: PXDN
text: # PXDN
  
  Peroxidasin homolog is a protein that in humans is encoded by the PXDN gene.
  
  Peroxidasin requires ionic bromine as a co-factor, making bromine an essential element for human life.
  
  ## Clinical significance
  
  Mutations in PXDN are associated with microphthalmia.
  
  