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Structure of a bacterial Atm1-family ABC transporter

X-ray diffraction
2.35Å resolution
PDB entry 4mrs coloured by chain, front view.
PDB entry 4mrs coloured by chain, side view.
PDB entry 4mrs coloured by chain, top view.
Source organism: Novosphingobium aromaticivorans DSM 12444
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: ATM1-type heavy metal exporter
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Multimeric state: homo dimer
Accessible surface area: 52351.38 Å2
Buried surface area: 21372.56 Å2
Dissociation area: 7,278.09 Å2
Dissociation energy (ΔGdiss): 84.98 kcal/mol
Dissociation entropy (TΔSdiss): 17.15 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-173560

Macromolecules

ATM1-type heavy metal exporter
Chains: A, B
Length: 614 amino acids
Theoretical weight: 68.38 KDa
Source organism: Novosphingobium aromaticivorans DSM 12444
Expression system: Escherichia coli
UniProt:
  • Canonical: Q2G506 (Residues: 1-608; Coverage: 100%)
Gene names: Saro_2631, atm1
Pfam:
InterPro:
CATH:
ATM1-type heavy metal exporter in PDB entry 4mrs, assembly 1, front view.
ATM1-type heavy metal exporter in PDB entry 4mrs, assembly 1, side view.
ATM1-type heavy metal exporter in PDB entry 4mrs, assembly 1, top view.
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