› 4qtn

X-ray diffraction
2.8Å resolution

Crystal structure of the Vitamin B3 transporter PnuC

Released:
DOI: 10.2210/pdb4qtn/pdb
PDB entry 4qtn coloured by chain, front view.
PDB entry 4qtn coloured by chain, side view.
PDB entry 4qtn coloured by chain, top view.
Source organism: Neisseria mucosa ATCC 25996
Primary publication:
Crystal structure of the Vitamin B3 transporter PnuC
Jaehme M, Guskov A, Slotboom DJ
Nat. Struct. Mol. Biol. (2014)

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domain:

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-112461 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nicotinamide riboside transporter PnuC Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 244 amino acids
Theoretical weight: 28.25 KDa
Source organism: Neisseria mucosa ATCC 25996
Expression system: Escherichia coli
UniProt:
  • Canonical: D2ZZC1 (Residues: 28-263; Coverage: 90%)
Gene names: NEIMUCOT_05996, pnuC
Sequence domains: Nicotinamide mononucleotide transporter

Ligands and Environments

2 bound ligands:
Ligand NNR 3 x NNR
Ligand BOG 4 x BOG
1 modified residue:
Ligand MSE 27 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X06DA
Spacegroup: P212121
Unit cell:
a: 93.32Å b: 112.93Å c: 120.37Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.246 0.244 0.276
Expression system: Escherichia coli

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