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Crystal structure of a bacterial homologue of the bile acid sodium symporter ASBT.

X-ray diffraction
2.2Å resolution
PDB entry 3zuy coloured by chain, front view.
PDB entry 3zuy coloured by chain, side view.
PDB entry 3zuy coloured by chain, top view.
Source organism: Neisseria meningitidis
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Transporter
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Multimeric state: monomeric
Accessible surface area: 13776.54 Å2
Buried surface area: 5257.16 Å2
Dissociation area: 0 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 0 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-217106
Monomeric assembly 1 of PDB entry 3zuy coloured by chemically distinct molecules, front view.
Monomeric assembly 1 of PDB entry 3zuy coloured by chemically distinct molecules, side view.
Monomeric assembly 1 of PDB entry 3zuy coloured by chemically distinct molecules, top view.
    Assembly 1
Confidence : 89%
No. subunits : 2
Symmetry : C2
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3DComplex & QSbio predictionx
No. subunits : Unclear
Symmetry : Unclear
Evidence : This biological assembly agrees with the prediction of PISA but not of EPPIC

Macromolecules

Transporter
Chain: A
Length: 323 amino acids
Theoretical weight: 33.9 KDa
Source organism: Neisseria meningitidis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9K0A9 (Residues: 1-315; Coverage: 100%)
Gene name: NMB0705
Pfam: Sodium Bile acid symporter family
InterPro:
CATH: Na+/H+ antiporter like fold
Transporter in PDB entry 3zuy, assembly 1, front view.
Transporter in PDB entry 3zuy, assembly 1, side view.
Transporter in PDB entry 3zuy, assembly 1, top view.
PDBe-KB: UniProt Coverage View: Q9K0A9  
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