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80 in total

1. Active-site serine mutants of the Streptomyces albus G beta-lactamase.

Authors: F Jacob; B Joris; J M Frère
Journal: Biochem J Date: 1991-08-01 Impact factor: 3.857

2. Beta-lactamase of Bacillus licheniformis 749/C at 2 A resolution.

Authors: P C Moews; J R Knox; O Dideberg; P Charlier; J M Frère
Journal: Proteins Date: 1990

3. Role of the conserved amino acids of the 'SDN' loop (Ser130, Asp131 and Asn132) in a class A beta-lactamase studied by site-directed mutagenesis.

Authors: F Jacob; B Joris; S Lepage; J Dusart; J M Frère
Journal: Biochem J Date: 1990-10-15 Impact factor: 3.857

4. Five independent combinations of mutations can result in low-affinity penicillin-binding protein 2x of Streptococcus pneumoniae.

Authors: G Laible; R Hakenbeck
Journal: J Bacteriol Date: 1991-11 Impact factor: 3.490

5. Mechanism of acyl transfer by the class A serine beta-lactamase of Streptomyces albus G.

Authors: J Lamotte-Brasseur; G Dive; O Dideberg; P Charlier; J M Frère; J M Ghuysen
Journal: Biochem J Date: 1991-10-01 Impact factor: 3.857

6. Beta-lactamase of Bacillus licheniformis 749/C. Refinement at 2 A resolution and analysis of hydration.

Authors: J R Knox; P C Moews
Journal: J Mol Biol Date: 1991-07-20 Impact factor: 5.469

7. Site-directed mutagenesis of beta-lactamase I. Single and double mutants of Glu-166 and Lys-73.

Authors: R M Gibson; H Christensen; S G Waley
Journal: Biochem J Date: 1990-12-15 Impact factor: 3.857

8. Structural basis for the inactivation of the P54 mutant of beta-lactamase from Staphylococcus aureus PC1.

Authors: O Herzberg; G Kapadia; B Blanco; T S Smith; A Coulson
Journal: Biochemistry Date: 1991-10-01 Impact factor: 3.162

9. The role of lysine-234 in beta-lactamase catalysis probed by site-directed mutagenesis.

Authors: L M Ellerby; W A Escobar; A L Fink; C Mitchinson; J A Wells
Journal: Biochemistry Date: 1990-06-19 Impact factor: 3.162

10. Site-directed mutants, at position 166, of RTEM-1 beta-lactamase that form a stable acyl-enzyme intermediate with penicillin.

Authors: H Adachi; T Ohta; H Matsuzawa
Journal: J Biol Chem Date: 1991-02-15 Impact factor: 5.157

116 in total

1. A 1998 survey of extended-spectrum beta-lactamases in Enterobacteriaceae in France. The French Study Group.

Authors: C De Champs; D Sirot; C Chanal; R Bonnet; J Sirot
Journal: Antimicrob Agents Chemother Date: 2000-11 Impact factor: 5.191

2. Evolution of TEM-related extended-spectrum beta-lactamases in Korea.

Authors: H Pai; H J Lee; E H Choi; J Kim; G A Jacoby
Journal: Antimicrob Agents Chemother Date: 2001-12 Impact factor: 5.191

3. Diversity of SHV and TEM beta-lactamases in Klebsiella pneumoniae: gene evolution in Northern Taiwan and two novel beta-lactamases, SHV-25 and SHV-26.

Authors: F Y Chang; L K Siu; C P Fung; M H Huang; M Ho
Journal: Antimicrob Agents Chemother Date: 2001-09 Impact factor: 5.191

Review 4. Plasmid-determined AmpC-type beta-lactamases.

Authors: Alain Philippon; Guillaume Arlet; George A Jacoby
Journal: Antimicrob Agents Chemother Date: 2002-01 Impact factor: 5.191

5. Molecular characterization of extended-spectrum beta-lactamases produced by nosocomial isolates of Enterobacteriaceae from an Italian nationwide survey.

Authors: Mariagrazia Perilli; Emanuela Dell'Amico; Bernardetta Segatore; Maria Rosaria de Massis; Ciro Bianchi; Francesco Luzzaro; Gian Maria Rossolini; Antonio Toniolo; Giuseppe Nicoletti; Gianfranco Amicosante
Journal: J Clin Microbiol Date: 2002-02 Impact factor: 5.948

6. Mutant TEM beta-lactamase producing resistance to ceftazidime, ampicillins, and beta-lactamase inhibitors.

Authors: Sergei Vakulenko; Dasantila Golemi
Journal: Antimicrob Agents Chemother Date: 2002-03 Impact factor: 5.191

7. TEM-71, a novel plasmid-encoded, extended-spectrum beta-lactamase produced by a clinical isolate of Klebsiella pneumoniae.

Authors: J Kamile Rasheed; Gregory J Anderson; Anne Marie Queenan; James W Biddle; Antonio Oliver; George A Jacoby; Karen Bush; Fred C Tenover
Journal: Antimicrob Agents Chemother Date: 2002-06 Impact factor: 5.191

8. Contribution of natural amino acid substitutions in SHV extended-spectrum beta-lactamases to resistance against various beta-lactams.

Authors: C C Randegger; A Keller; M Irla; A Wada; H Hächler
Journal: Antimicrob Agents Chemother Date: 2000-10 Impact factor: 5.191

9. IBC-1, a novel integron-associated class A beta-lactamase with extended-spectrum properties produced by an Enterobacter cloacae clinical strain.

Authors: P Giakkoupi; L S Tzouvelekis; A Tsakris; V Loukova; D Sofianou; E Tzelepi
Journal: Antimicrob Agents Chemother Date: 2000-09 Impact factor: 5.191

10. OXA-17, a further extended-spectrum variant of OXA-10 beta-lactamase, isolated from Pseudomonas aeruginosa.

Authors: F Danel; L M Hall; B Duke; D Gur; D M Livermore
Journal: Antimicrob Agents Chemother Date: 1999-06 Impact factor: 5.191