Beta-lactamase

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'''Beta-lactamase''' (Blac) are enzymes which make bacteria resistant to β-lactam antibiotics by breaking their β-lactam ring. Blac are classified according to their resistance targets.<br />
'''Beta-lactamase''' (Blac) are enzymes which make bacteria resistant to β-lactam antibiotics by breaking their β-lactam ring. Blac are classified according to their resistance targets.<br />
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*Class A are broad-spectrum<br />
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*Class A are broad-spectrum. See also [[TEM1 Class Antibiotic Resistance Proteins]].<br />
*Class B are metalloenzymes. <br />
*Class B are metalloenzymes. <br />
*Class C are cephalosporinases. See also [[Class C beta-lactamase]].<br />
*Class C are cephalosporinases. See also [[Class C beta-lactamase]].<br />

Revision as of 10:22, 10 February 2019

Class B β-lactamase Ndm-1 complex with Zn+2 (grey) (PDB code 3spu)

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3D Structures of Beta-lactamase

Updated on 10-February-2019

References

  1. King D, Strynadka N. Crystal structure of New Delhi metallo-beta-lactamase reveals molecular basis for antibiotic resistance. Protein Sci. 2011 Sep;20(9):1484-91. doi: 10.1002/pro.697. Epub 2011 Aug, 2. PMID:21774017 doi:10.1002/pro.697

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Michal Harel, Jaime Prilusky, Alexander Berchansky, Joel L. Sussman

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