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Complex SecA:ATP from Escherichia coli

X-ray diffraction
2.2Å resolution
PDB entry 2fsg coloured by chain, front view.
PDB entry 2fsg coloured by chain, side view.
PDB entry 2fsg coloured by chain, top view.
Source organism: Escherichia coli
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Protein translocase subunit SecA
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Multimeric state: homo dimer
Accessible surface area: 68629.84 Å2
Buried surface area: 3907.36 Å2
Dissociation area: 1,314.6 Å2
Dissociation energy (ΔGdiss): -4.36 kcal/mol
Dissociation entropy (TΔSdiss): 15.99 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-145295
Homo dimeric assembly 1 of PDB entry 2fsg coloured by chemically distinct molecules, front view.
Homo dimeric assembly 1 of PDB entry 2fsg coloured by chemically distinct molecules, side view.
Homo dimeric assembly 1 of PDB entry 2fsg coloured by chemically distinct molecules, top view.
    Assembly 1
Confidence : 48%
No. subunits : 2
Symmetry : C2
More details
3DComplex & QSbio predictionx
No. subunits : Unclear
Symmetry : Unclear
Evidence : This biological assembly agrees with none of the predictions of PISA & EPPIC

Macromolecules

Protein translocase subunit SecA
Chains: A, B
Length: 853 amino acids
Theoretical weight: 98.57 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P10408 (Residues: 9-861; Coverage: 95%)
Gene names: JW0096, azi, b0098, pea, prlD, secA
Pfam:
InterPro:
CATH:
Protein translocase subunit SecA in PDB entry 2fsg, assembly 1, front view.
Protein translocase subunit SecA in PDB entry 2fsg, assembly 1, side view.
Protein translocase subunit SecA in PDB entry 2fsg, assembly 1, top view.
PDBe-KB: UniProt Coverage View: P10408  
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