SBP2
Defects in SECIS-binding protein 2 (SBP2), a factor required for incorporation of selenium into proteins, produce alterations in thyroid hormone metabolism in humans but none of the other effects attributed to selenium deficiency or loss of selenoproteins.
See also
References
Berry MJ. Insights into the hierarchy of selenium incorporation. Nat Genet. 2005 Nov;37(11):1162-3. PMID: 16254558