X-ray diffraction
2.5Å resolution

Crystal structure of the F255A mutant Kir3.1 cytoplasmic pore domain

Entry authors: Meinke G, Bohm A, Noujaim S

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
G protein-activated inward rectifier potassium channel 1 Chain: A
Molecule details ›
Chain: A
Length: 210 amino acids
Theoretical weight: 24.05 KDa
Source organisms: Expression system: Escherichia coli
  • Canonical: P63250 (Residues: 201-370; Coverage: 34%)
  • Canonical: H9GIV0 (Residues: 172-193; Coverage: 7%)
Gene names: Girk1, Kcnj3, LOC100559481
Structure domains: G protein-activated inward rectifier potassium channel 1

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.1
Spacegroup: P4212
Unit cell:
a: 80.07Å b: 80.07Å c: 85.04Å
α: 90° β: 90° γ: 90°
R R work R free
0.226 0.224 0.267
Expression system: Escherichia coli