Human interleukin-22, a novel member of the cytokine family, has been crystallized in hanging drops using the vapour-diffusion technique. Preliminary X-ray diffraction experiments using synchrotron radiation reveal that the protein crystallizes in space group P2(1)2(1)2(1), with unit-cell parameters a = 55.44, b = 61.62, c = 73.43 Angstrom, and diffracts beyond 2.00 Angstrom resolution.
Nagem, R., Lucchesi, K., Colau, D., Dumoutier, L., Renauld, J.-C., & Polikarpov, I. (2002). Crystallization and synchrotron X-ray diffraction studies of human interleukin-22. Acta Crystallographica. Section D: Biological Crystallography, 58(Pt 3), 529-530. https://doi.org/10.1107/S0907444902001063 (Original work published 2002)