› 1oh2

X-ray diffraction
2.4Å resolution

Sucrose-Specific Porin, with Bound Sucrose Molecules

Released:
DOI: 10.2210/pdb1oh2/pdb
PDB entry 1oh2 coloured by chain, front view.
PDB entry 1oh2 coloured by chain, side view.
PDB entry 1oh2 coloured by chain, top view.
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Entry authors: Diederichs K, Welte W

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-149599 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (3 distinct):
Sucrose porin Chains: P, R
Molecule details ›
Chains: P, R
Length: 413 amino acids
Theoretical weight: 45.33 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Expression system: Escherichia coli
UniProt:
  • Canonical: P22340 (Residues: 93-505; Coverage: 86%)
Gene name: scrY
Sequence domains: LamB porin
Structure domains: Porin, LamB type
Sucrose porin Chain: Q
Molecule details ›
Chain: Q
Length: 413 amino acids
Theoretical weight: 44.92 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Expression system: Escherichia coli
UniProt:
  • Canonical: P22340 (Residues: 93-505; Coverage: 86%)
Gene name: scrY
Sequence domains: LamB porin
Structure domains: Porin, LamB type

Ligands and Environments

Carbohydrate polymer : NEW Components: GLC, FRU
Carbohydrate polymer
1 bound ligand:
Ligand CA 3 x CA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SCHNEIDER
Spacegroup: P32
Unit cell:
a: 111.8Å b: 111.8Å c: 147.8Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.207 0.207 0.246
Expression system: Escherichia coli

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