Acta Crystallographica Section D

Biological Crystallography

Volume 51, Part 3 (May 1995)

short communications

 

Crystallization and preliminary X-ray crystallographic studies of native elastase from North Atlantic salmon (Salmo salar)

G. I. Berglund, A. O. Smalås, L. K. Hansen and N. P. Willassen

Abstract: Crystals of elastase from North Atlantic salmon have been grown from 2-methyl-2,4-pentanediol by the hanging-drop vapour-diffusion method at room temperature. They grow to dimensions of 0.7 × 0.4 × 0.3 mm in three weeks. The crystals belong to the tetragonal space group P4₁2₁2 or P4₃2₁2 with cell dimensions a = b = 68.0 Å and c = 84.0 Å. There are eight molecules in the unit cell. The crystals diffract to at least 1.6 Å resolution and are suitable for a high-resolution crystal structure determination.

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