- Diversity and phylogeny of gephyrin: tissue-specific splice variants, gene structure, and sequence similarities to molybdenum cofactor-synthesizing and cytoskeleton-associated proteins. Ramming, M., Kins, S., Werner, N., Hermann, A., Betz, H., Kirsch, J. Proc. Natl. Acad. Sci. U.S.A. (2000)