3RBZ

MthK channel, Ca2+-bound


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.40 Å
  • R-Value Free: 0.288 
  • R-Value Work: 0.257 
  • R-Value Observed: 0.259 

wwPDB Validation 3D Report Full Report



Literature

Structures of multiple Ca2+-binding sites in a K+ channel RCK domain

Pau, V.P.Smith, F.J.Taylor, A.B.Samakai, E.Callaghan, M.M.Abarca-Heidemann, K.Parfenova, L.V.Hart, P.J.Rothberg, B.S.

(2011) Proc Natl Acad Sci U S A 


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Calcium-gated potassium channel mthKABCD340Methanothermobacter thermautotrophicus str. Delta HMutation(s): 4 
Gene Names: mthKMTH_1520
Membrane protein
Mpstruc
Group: 
TRANSMEMBRANE PROTEINS: ALPHA-HELICAL
Sub Group: 
Channels: Potassium, Sodium, & Proton Ion-Selective
Protein: 
MthK Potassium channel, Ca++ gated
Find proteins for O27564 (Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H))
Explore O27564 
Go to UniProtKB:  O27564
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
CA
Query on CA

Download CCD File 
A, B, C, D
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.40 Å
  • R-Value Free: 0.288 
  • R-Value Work: 0.257 
  • R-Value Observed: 0.259 
  • Space Group: P 61 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 138.558α = 90
b = 138.558β = 90
c = 371.62γ = 120
Software Package:
Software NamePurpose
CBASSdata collection
PHASERphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2011-10-12
    Type: Initial release