Patel, S. ., Bradley, L. ., Jinadasa, S. ., & Hecht, M. . (2009). Cofactor binding and enzymatic activity in an unevolved superfamily of de novo designed 4-helix bundle proteins. Protein Science : A Publication of the Protein Society, 18(7), 1388-400. https://doi.org/10.1002/pro.147