Rodday, S. M., A. N. Webber, S. E. Bingham and J. Biggins. 1995. Evidence that the FX domain in photosystem I interacts with the subunit PsaC: Site-directed changes in PsaB destabilize the subunit interaction in Chlamydomonas reinhardtii. Biochemistry 34(19):6328-6334. DOI: 10.1021/bi00019a010. (link )