A mini-protein designed by removing a module from barnase: molecular modeling and NMR measurements of the conformation.

1Division of Biological Science, Graduate School of Science, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8602, 3Department of Bioapplied Chemistry, Faculty of Engineering, Osaka City University, 3-3-138 Sugimoto, Sumiyoshi, Osaka 558-8585, 5Institute for Protein Research, Osaka University, 3-2 Yamadaoka, Suita 565-0871 and 6Japan Advanced Institute of Science and Technology, Hokuriku, 15 Asahidai, Tatsunokuchi, Ishikawa 923-1292, Japan