2R9R

Shaker family voltage dependent potassium channel (kv1.2-kv2.1 paddle chimera channel) in association with beta subunit

Structural Biology Knowledgebase: 2R9R SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.244
  • R-Value Work: 0.212

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2R9R

Classification: MEMBRANE PROTEIN TRANSPORT PROTEIN

Total Structure Weight: 206884.47

Macromolecule Entities
Molecule Chains Length Organism Details
Voltage-gated potassium channel subunit beta-2 A, G 333 Rattus norvegicus EC#: 1.1.1 IUBMB
Gene Name(s): Kcnab2 Ckbeta2 Kcnb3
Paddle chimera voltage gated potassium channel Kv1.2-Kv2.1 B, H 514 Rattus norvegicus

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: Channels: Potassium, Sodium, & Proton Ion-Selective

Protein Name: Kv1.2/Kv2.1 Voltage-gated potassium channel chimera


Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
PGW
Query on PGW

B, H (1R)-2-{[(S)-{[(2S)-2,3-dihydroxypropyl]oxy}(hydroxy)phosphoryl]oxy}- 1-[(hexadecanoyloxy)methyl]ethyl (9Z)-octadec- 9-enoate
1-Palmitoyl-2-Oleoyl-sn-Glycero-3-[Phospho- (1-glycerol)]; PHOSPHATIDYLGLYCEROL (Synonym)
C40 H77 O10 P
PAZGBAOHGQRCBP-HGWHEPCSSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NAP
Query on NAP

A, G NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE (Synonym)
C21 H28 N7 O17 P3
XJLXINKUBYWONI-NNYOXOHSSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
K
Query on K

B, H POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.244
  • R-Value Work: 0.212
  • Space Group: P 4 21 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 144.05 α = 90.00
b = 144.05 β = 90.00
c = 284.40 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2007-09-13
  • Released Date: 2007-11-20
  • Deposition author(s): Long, S.B., Tao, X., Campbell, E.B., Mackinnon, R.

Revision History

  • 2011-07-13
    Type: Biological assembly | Details: Added software calculated values
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4