NCIt definition : Human CTH wild-type allele is located in the vicinity of 1p31.1 and is approximately
29 kb in length. This allele, which encodes cystathionine gamma-lyase protein, plays
a role in cleaving L,L-cystathionine into L-cysteine, ammonia and 2-oxobutanoate.
Mutation of the gene is associated with cystathioninuria.;