A stable tetramer is not the only oligomeric state that mitochondrial single-stranded DNA binding proteins can adopt.
Singh S.P., Kukshal V., & Galletto R. (2019). “A stable tetramer is not the only oligomeric state that mitochondrial single-stranded DNA binding proteins can adopt.” J Biol Chem. 2019 Mar 15;294(11):4137-4144. doi: 10.1074/jbc.RA118.007048. Epub 2019 Jan 7. (Abstract)