Acta crystallogr., D Biol. crystallogr. Acta crystallogr., D Biol. crystallogr. Combination of X-ray crystallography, SAXS and DEER to obtain the structure of the FnIII-3,4 domains of integrin a6b4 Alonso-García N. García-Rubio I. Manso J.A. Buey R.M. Urien H. Sonnenberg A. Jeschke G. de Pereda J.M. 2015 research-article