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1IYO

Toho-1 beta-Lactamase In Complex With Cefotaxime

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Toho-1 beta-lactamasepolymer26228203.91UniProt (Q47066)
Pfam (PF00144)
Pfam (PF00905)
Pfam (PF13354)
Escherichia coli
2B, C, D
(A)
SULFATE IONnon-polymer96.13Chemie (SO4)
3E
(A)
CEFOTAXIME, C3' cleaved, open, bound formnon-polymer397.41Chemie (CEF)
4F
(A)
waterwater18.0216Chemie (HOH)
Sequence modifications
A: 26 - 290 (UniProt: Q47066)
PDBExternal DatabaseDetails
Ala 166Glu 169engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight28203.9
Non-Polymers*Number of molecules4
Total formula weight685.6
All*Total formula weight28889.6
*Water molecules are not included.

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PDB entries from 2025-12-10

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