This is the N-terminus of TERF1-interacting nuclear factor 2. It is required for the formation of the shelterin complex. The shelterin complex is involved in the protection and maintenance of telomeres [1-3].

1: Shelterin: the protein complex that shapes and safeguards human telomeres. de Lange T; Genes Dev. 2005;19:2100-2110. PMID:16166375

2: A critical role for TPP1 and TIN2 interaction in high-order telomeric complex assembly. O'Connor MS, Safari A, Xin H, Liu D, Songyang Z; Proc Natl Acad Sci U S A. 2006;103:11874-11879. PMID:16880378

3: The role of shelterin in maintaining telomere integrity. Longhese MP, Anbalagan S, Martina M, Bonetti D; Front Biosci. 2012;17:1715-1728. PMID:22201831