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1KE4

X-ray crystal structure of AmpC beta-lactamase from E. coli

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
beta-lactamasepolymer35839587.92UniProt (P00811)
Pfam (PF00144)
Escherichia coliCephalosporinase
2C, D
(A)
PHOSPHATE IONnon-polymer95.02Chemie (PO4)
3E, F
(A, B)
waterwater18.0371Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight79175.8
Non-Polymers*Number of molecules2
Total formula weight189.9
All*Total formula weight79365.8
*Water molecules are not included.

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PDB entries from 2025-06-18

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