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SecA-N68, a C-terminal truncation of the SecA ATPase from E. coli

X-ray diffraction
2.6Å resolution
PDB entry 5k9t coloured by chain, front view.
PDB entry 5k9t coloured by chain, side view.
PDB entry 5k9t coloured by chain, top view.
Source organism: Escherichia coli 55989
Assembly composition:
monomeric (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: monomeric
Accessible surface area: 28516.05 Å2
Buried surface area: 883.97 Å2
Dissociation area: 89.93 Å2
Dissociation energy (ΔGdiss): 12.82 kcal/mol
Dissociation entropy (TΔSdiss): -1.45 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-145293

Macromolecules

Protein translocase subunit SecA
Chain: A
Length: 578 amino acids
Theoretical weight: 64.29 KDa
Source organism: Escherichia coli 55989
Expression system: Escherichia coli
UniProt:
  • Canonical: P10408 (Residues: 15-590; Coverage: 64%)
Gene names: JW0096, azi, b0098, pea, prlD, secA
Pfam:
InterPro:
CATH:
Protein translocase subunit SecA in PDB entry 5k9t, assembly 1, front view.
Protein translocase subunit SecA in PDB entry 5k9t, assembly 1, side view.
Protein translocase subunit SecA in PDB entry 5k9t, assembly 1, top view.
PDBe-KB: UniProt Coverage View: P10408  
157850100150200250300350400450500550
 
200400
UniProt
P10408
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Secondary structure
Flexibility predictions
Early folding residue predictions
Ligand binding sites
Sequence conservation
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