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Structure of tRNA-Dependent Amidotransferase GatCAB complexed with Mn2+

X-ray diffraction
3.2Å resolution
PDB entry 2df4 coloured by chain, front view.
PDB entry 2df4 coloured by chain, side view.
PDB entry 2df4 coloured by chain, top view.
Source organism: Staphylococcus aureus
Assembly composition:
hetero trimer (preferred)
Entry contents: 3 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero trimer
Accessible surface area: 37128.64 Å2
Buried surface area: 11480.08 Å2
Dissociation area: 3,098.06 Å2
Dissociation energy (ΔGdiss): 38.85 kcal/mol
Dissociation entropy (TΔSdiss): 14.66 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-159106

Macromolecules

Glutamyl-tRNA(Gln) amidotransferase subunit A
Chain: A
Length: 485 amino acids
Theoretical weight: 52.86 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli
UniProt:
  • Canonical: P63488 (Residues: 1-485; Coverage: 100%)
Gene names: SAV1900, gatA
Pfam: Amidase
InterPro:
CATH: Amidase signature (AS) domain
SCOP: Amidase signature (AS) enzymes
Glutamyl-tRNA(Gln) amidotransferase subunit A in PDB entry 2df4, assembly 1, front view.
Glutamyl-tRNA(Gln) amidotransferase subunit A in PDB entry 2df4, assembly 1, side view.
Glutamyl-tRNA(Gln) amidotransferase subunit A in PDB entry 2df4, assembly 1, top view.
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Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase subunit B
Chain: B
Length: 483 amino acids
Theoretical weight: 54.79 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli
UniProt:
  • Canonical: P64201 (Residues: 1-475; Coverage: 100%)
Gene names: SAV1899, gatB
Pfam:
InterPro:
SCOP:
Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase subunit B in PDB entry 2df4, assembly 1, front view.
Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase subunit B in PDB entry 2df4, assembly 1, side view.
Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase subunit B in PDB entry 2df4, assembly 1, top view.
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Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase subunit C
Chain: C
Length: 100 amino acids
Theoretical weight: 11.28 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli
UniProt:
  • Canonical: P68807 (Residues: 1-100; Coverage: 100%)
Gene names: SAV1901, gatC
Pfam: Glu-tRNAGln amidotransferase C subunit
InterPro:
CATH: Glu-tRNAGln amidotransferase C subunit, N-terminal domain
SCOP: Glu-tRNAGln amidotransferase C subunit
Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase subunit C in PDB entry 2df4, assembly 1, front view.
Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase subunit C in PDB entry 2df4, assembly 1, side view.
Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase subunit C in PDB entry 2df4, assembly 1, top view.
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