NCIt synonyms : Cystatin A (Stefin A) Gene; STF1; Cystatin A wt Allele; AREI; STFA; PSS4;
NCIt definition : Human CSTA wild-type allele is located in the vicinity of 3q21 and is approximately
17 kb in length. This allele, which encodes cystatin-A protein, is involved in the
inhibition of thiol proteinases and desmosome-mediated cell-cell adhesion. Mutation
of the gene is associated with peeling skin syndrome 4.;