4X55

Structure of the class D Beta-Lactamase OXA-225 K82D in Acyl-Enzyme Complex with Ceftazidime

Summary for 4X55

• Entry DOI: 10.2210/pdb4x55/pdb
• Related: 4X53 4X56
• Descriptor: Beta-lactamase OXA-225, 1-({(2R)-2-[(1R)-1-{[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-{[(2-carboxypropan-2-yl)oxy]imino}acetyl]amino}-2-oxoethyl]-4-carboxy-3,6-dihydro-2H-1,3-thiazin-5-yl}methyl)pyridinium (3 entities in total)
• Functional Keywords: hydrolase, carbapenemase, antibiotic
• Biological source: Acinetobacter baumannii
• Total number of polymer chains: 2
• Total formula weight: 58621.34

Authors

Clasman, J.R.,June, C.M.,Powers, R.A.,Leonard, D.A. (deposition date: 2014-12-04, release date: 2015-03-11, Last modification date: 2023-09-27)

• Primary citation: Mitchell, J.M.,Clasman, J.R.,June, C.M.,Kaitany, K.C.,LaFleur, J.R.,Taracila, M.A.,Klinger, N.V.,Bonomo, R.A.,Wymore, T.,Szarecka, A.,Powers, R.A.,Leonard, D.A.; Structural Basis of Activity against Aztreonam and Extended Spectrum Cephalosporins for Two Carbapenem-Hydrolyzing Class D beta-Lactamases from Acinetobacter baumannii.; Biochemistry, 54:1976-1987, 2015; PubMed: 25710192; DOI: 10.1021/bi501547k

Experimental method

X-RAY DIFFRACTION (1.941 Å)