Tatsuya Akutsu (email@example.com)
 Department of Computer Science,
1-5-1 Tenjin, Kiryu, Gunma 376 Japan
 Fukuoka Industrial Technology Center
3-6-1 Norimatsu, Yahatanisi-ku, Kitakyushu-shi 807 Japan
We have been developing a protein structure database system named PROTEIX. In this report, we describe recent improvements on PROTEIX.