PAR3
# PAR3

PAR3 may refer to:

* Parchive, an error correction system for computer files. The third version is known as PAR3.
* Protease activated receptor 3, a G-protein coupled receptor protein
* Pseudoautosomal region 3, a region of homologous sequences between the human X and Y chromosome
* Partitioning defective 3 homolog, a protein that in humans is encoded by the PARD3 gene
