Intact and fully active elongation factor aEF-1 alpha from the hyperth
ermophilic archaeon Sulfolobus solfataricus has been crystallized as a
complex with GDP. Crystals were stable at temperatures below 8 degree
s C and showed significant diffraction beyond 3.0 Angstrom. The orthor
hombic lattice parameters were a = 62.9 Angstrom, b = 81.3 A, c = 115.
6 Angstrom with one molecule per asymmetric unit.