"Hirohito Umemoto,Ihsanawati,Mayuko Inami,Rie Yatsunami,Toshiaki Fukui,Satoshi Nakamura","Improvement of Alkaliphily of Bacillus Alkaline Xylanase by Introducing Amino Acid Substitutions Both on Catalytic Cleft and Protein Surface",,"Biosci. Biotechnol. Biochem.",,"vol. 73",,"  965-967",2009,