3lnm

X-ray diffraction
2.9Å resolution

F233W mutant of the Kv2.1 paddle-Kv1.2 chimera channel

Released:
Source organism: Rattus norvegicus
Primary publication:
A gating charge transfer center in voltage sensors.
Science 328 67-73 (2010)
PMID: 20360102

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-147337 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Voltage-gated potassium channel subunit beta-2 Chains: A, C
Molecule details ›
Chains: A, C
Length: 333 amino acids
Theoretical weight: 37.35 KDa
Source organism: Rattus norvegicus
Expression system: Komagataella pastoris
UniProt:
  • Canonical: P62483 (Residues: 35-367; Coverage: 91%)
Gene names: Ckbeta2, Kcnab2, Kcnb3
Sequence domains: Aldo/keto reductase family
Structure domains: NADP-dependent oxidoreductase domain
Potassium voltage-gated channel subfamily A member 2; Potassium voltage-gated channel subfamily B member 1 Chains: B, D
Molecule details ›
Chains: B, D
Length: 514 amino acids
Theoretical weight: 58.86 KDa
Source organism: Rattus norvegicus
Expression system: Komagataella pastoris
UniProt:
  • Canonical: P63142 (Residues: 1-31, 33-266, 305-499; Coverage: 92%)
  • Canonical: P15387 (Residues: 30-30, 274-307; Coverage: 4%)
Gene names: Kcna2, Kcnb1
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: P4212
Unit cell:
a: 144.271Å b: 144.271Å c: 284.06Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.211 0.211 0.247
Expression system: Komagataella pastoris