3.4.24.65 hexagonal shaped crystals, crystal structure in complex with hydroxamic acid inhibitor, orthorhombic space group I222, unit cells dimensions a : 67.4 A, b : 87.2, c : 169.2 3.4.24.65 purified MMP-12 bound to hydroxamic acid, hanging drop vapour diffusion method, 20°C, from protein solution containing 10 mg/ml protein in 0.1 M Tris-HCl, pH 8.0, 30% PEG 6000, 200 mM hydroxamic acid, and 1.0 M LiCl, a few days, X-ray diffraction structure determination and analysis at 1.3 A resolution 3.4.24.65 sitting drop vapor diffusion technique, crystallized in complex with inhibitor batimastat, BB-94, monoclinic space group C2, crystal cell constants a : 51.91 A, b : 60.26 A, c : 54.61 A