The 3D structure of the streptomyces metalloproteinase inhibitor, SMPI, isolated from streptomyces nigrescens TK-23 - Ohno, A.; Tate, S.; Seeram, S. S.; Hiraga, K.; Oda, K.; Swindells, M. B.; Kainosho, M. (Biological Magnetic Resonance Bank, 2000)