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Biochemistry|August 23, 1994
Replacement of serine 237 in class A beta-lactamase of Proteus vulgaris modifies its unique substrate specificityM Tamaki, M Nukaga, T SawaiMicrobiology and Immunology|June 2, 2001
Characterization of an extended-spectrum class C beta-lactamase of Citrobacter freundiiS Haruta, M Nukaga, T SawaiAntimicrobial Agents and Chemotherapy|June 1, 1994
Interaction of oxyimino beta-lactams with a class C beta-lactamase and a mutant with a spectrum extended to beta-lactamsM Nukaga, K Tsukamoto, H Yamaguchi, et al.Microbiology and Immunology|May 7, 1998
Resistance to oxyimino beta-lactams due to a mutation of chromosomal beta-lactamase in Citrobacter freundiiS Haruta, M Nukaga, K Taniguchi, et al.European Journal of Biochemistry|August 1, 1992
The effect of amino acid substitution at position 219 of Citrobacter freundii cephalosporinase on extension of its substrate spectrumK Tsukamoto, R Ohno, M Nukaga, et al.Biochemistry|July 22, 1998
Effect of an amino acid insertion into the omega loop region of a class C beta-lactamase on its substrate specificityM Nukaga, K Taniguchi, Y Washio, et al.FEBS Letters|October 11, 1993
A survey of a functional amino acid of class C beta-lactamase corresponding to Glu166 of class A beta-lactamasesM Nukaga, K Tanimoto, K Tsukamoto, et al.Biochemistry|May 24, 2001
Inhibition of class C beta-lactamases: structure of a reaction intermediate with a cephem sulfoneG V Crichlow, M Nukaga, V R Doppalapudi, et al.The Journal of Biological Chemistry|March 17, 1995
Molecular evolution of a class C beta-lactamase extending its substrate specificityM Nukaga, S Haruta, K Tanimoto, et al.Antimicrobial Agents and Chemotherapy|August 22, 2000
Functional analysis of the active site of a metallo-beta-lactamase proliferating in JapanS Haruta, H Yamaguchi, E T Yamamoto, et al.Pageof 2