1gm9

X-ray diffraction
1.8Å resolution

Crystal structures of penicillin acylase enzyme-substrate complexes: Structural insights into the catalytic mechanism

Released:
Model geometry
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Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-139290 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Penicillin G acylase subunit alpha Chain: A
Molecule details ›
Chain: A
Length: 209 amino acids
Theoretical weight: 23.85 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P06875 (Residues: 27-235; Coverage: 26%)
Gene name: pac
Structure domains:
Penicillin G acylase subunit beta Chain: B
Molecule details ›
Chain: B
Length: 557 amino acids
Theoretical weight: 62.43 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P06875 (Residues: 290-846; Coverage: 68%)
Gene name: pac
Sequence domains: Penicillin amidase
Structure domains:

Ligands and Environments

3 bound ligands:
1 modified residue:

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: EMBL/DESY, HAMBURG BEAMLINE BW7B
Spacegroup: P21
Unit cell:
a: 51.2Å b: 131.7Å c: 64Å
α: 90° β: 105.9° γ: 90°
R-values:
R R work R free
0.153 0.153 0.19
Expression system: Escherichia coli BL21(DE3)