Crystallization and preliminary X-ray study of β-­mannosidase from Trichoderma reesei

β-Mannosidase from Trichoderma reesei, a 105 kDa glycoprotein, has been crystallized. The crystals belong to the space group P4₁2₁2 or P4₃2₁2, with unit-cell dimensions a = b = 165.86, c = 122.46 Å, and diffract beyond 2.75 Å resolution. X-ray diffraction data were collected from a frozen crystal on a synchrotron X-ray source.