SNCG is a symbol for the gene, Synuclein gamma, in humans. Other names include: Gamma-synuclein; Persyn; Synoretin; Breast cancer-specific gene 1 protein; breast cancer-specific gene 1; BCSG1; synuclein, gamma (breast cancer-specific protein 1). The encoded protein has an amino acid length of 127 and a mass of 13.3 kDa. SNCG is a member of the Synuclein family. This gene shares homology with other species, including: Frog.