Protein sy'n cael ei godio yn y corff dynol gan y genyn SNN yw SNN a elwir hefyd yn Stannin (Saesneg). Segment o DNA yw'r genyn, sy'n amgodio ffwythiant arbennig. Mae'r genyn yma wedi ei leoli ar yr edefyn blaen o gromosom dynol 16, band 16p13.13.[2]
"Chromosomal localization and characterization of the stannin (Snn) gene. ". Mamm Genome. 1998. PMID9657854.
"Vascular endothelial genes that are responsive to tumor necrosis factor-alpha in vitro are expressed in atherosclerotic lesions, including inhibitor of apoptosis protein-1, stannin, and two novel genes. ". Blood. 1999. PMID10233894.
"Structure, dynamics, and membrane topology of stannin: a mediator of neuronal cell apoptosis induced by trimethyltin chloride. ". J Mol Biol. 2005. PMID16246365.
"Localization and characterization of stannin: relationship to cellular sensitivity to organotin compounds. ". Neurochem Int. 1997. PMID9413842.
"Molecular neurotoxicology of trimethyltin: identification of stannin, a novel protein expressed in trimethyltin-sensitive cells.". Mol Pharmacol. 1992. PMID1635553.