PCDHA4 encodes the human gene, Protocadherin alpha 4. It may also be known as: Protocadherin alpha-4; PCDH-alpha-4; ortholog of mouse CNR1, KIAA0345-like 10; CNRN1; CRNR1; PCDH-ALPHA4. The encoded protein has an amino acid length of 947 and a mass of 102.3 kDa. Other isoforms may exist. Homologs of this gene exist in other organisms, including: Mouse, Rat, Chicken.