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1KEC

PENICILLIN ACYLASE MUTANT WITH PHENYL PROPRIONIC ACID

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
PENICILLIN ACYLASE ALPHA SUBUNITpolymer20923854.81UniProt (P06875)Escherichia coliPENICILLIN G AMIDASE, PENICILLIN G AMIDOHYDROLASE
2B
(B)
PENICILLIN ACYLASE BETA SUBUNITpolymer55762443.51UniProt (P06875)
Pfam (PF01804)
Escherichia coliPENICILLIN G AMIDASE, PENICILLIN G AMIDOHYDROLASE
3C
(B)
CALCIUM IONnon-polymer40.11Chemie (CA)
4D
(B)
R-2-PHENYL-PROPRIONIC ACIDnon-polymer150.21Chemie (GRO)
5E, F
(A, B)
waterwater18.0475Chemie (HOH)
Sequence modifications
A: 0 - 208 (UniProt: P06875)
PDBExternal DatabaseDetails
Tyr 146Phe 172engineered mutation
B: 1 - 557 (UniProt: P06875)
PDBExternal DatabaseDetails
Leu 148Val 437engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight86298.3
Non-Polymers*Number of molecules2
Total formula weight190.3
All*Total formula weight86488.6
*Water molecules are not included.

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PDB entries from 2025-07-02

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