- Crystallization and preliminary X-ray studies of Trp138Phe/Val185Thr xylose isomerases from Thermotoga neapolitana and Thermoanaerobacterium thermosulfurigenes. Kim, Y.S., Im, Y.J., Rho, S.H., Sriprapundh, D., Vieille, C., Suh, S.W., Zeikus, J.G., Eom, S.H. Acta Crystallogr. D Biol. Crystallogr. (2001)