November 20, 2023 Zouni, A., H.-T. Witt, J. Kern, P. Fromme, N. Krauss, W. Saenger, and P. Orth, (2001) Crystal structure of photosystem II from Synechococcus elongatus at 3.8 A resolution. Nature, 409(6821): 39-743. Home » Zouni, A., H.-T. Witt, J. Kern, P. Fromme, N. Krauss, W. Saenger, and P. Orth, (2001) Crystal structure of photosystem II from Synechococcus elongatus at 3.8 A resolution. Nature, 409(6821): 39-743.