This OB fold domain is located at the C-terminus of Tetratricopeptide repeat protein 5 and is required for effective p53 response [1].

1: The p53 cofactor Strap exhibits an unexpected TPR motif and oligonucleotide-binding (OB)-fold structure. Adams CJ, Pike AC, Maniam S, Sharpe TD, Coutts AS, Knapp S, La Thangue NB, Bullock AN; Proc Natl Acad Sci U S A. 2012;109:3778-3783. PMID:22362889