Psoriasis 15, also known as psors15, is related to psoriasis 13 and psoriasis 2. An important gene associated with Psoriasis 15 is AP1S3 (Adaptor Related Protein Complex 1 Subunit Sigma 3), and among its related pathways/superpathways are wtCFTR and delta508-CFTR traffic / Generic schema (norm and CF) and wtCFTR and deltaF508 traffic / Late endosome and Lysosome (norm and CF). Affiliated tissues include skin and t cells, and related phenotype is immune system.