7CAL Membrane Protein date Jun 09, 2020
title Cryo-Em Structure Of The Hyperpolarization-Activated Inwardl Rectifying Potassium Channel Kat1 From Arabidopsis
authors S.Y.Li, F.Yang, D.M.Sun, Y.Zhang, M.G.Zhang, P.Zhou, S.L.Liu, Y.N.Z L.H.Zhang, C.L.Tian
compound source
Molecule: Potassium Channel Kat1
Chain: A, B, C, D
Engineered: Yes
Organism_scientific: Arabidopsis Thaliana
Organism_common: Mouse-Ear Cress
Organism_taxid: 3702
Gene: Kat1, At5g46240, Mpl12.2
Expression_system: Spodoptera Frugiperda
Expression_system_taxid: 7108
symmetry Space Group: P 1
R_factor
R_Free
crystal
cell
length a length b length c angle alpha angle beta angle gamma
1.000 1.000 1.000 90.00 90.00 90.00
method Electron Microscopyresolution 3.20 Å
ligand 3PE enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B


Primary referenceCryo-EM structure of the hyperpolarization-activated inwardly rectifying potassium channel KAT1 from Arabidopsis., Li S, Yang F, Sun D, Zhang Y, Zhang M, Liu S, Zhou P, Shi C, Zhang L, Tian C, Cell Res. 2020 Sep 8. pii: 10.1038/s41422-020-00407-3. doi:, 10.1038/s41422-020-00407-3. PMID:32901112
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (263 Kb) [Save to disk]
  • Biological Unit Coordinates (7cal.pdb1.gz) 249 Kb
  • LPC: Ligand-Protein Contacts for 7CAL
  • CSU: Contacts of Structural Units for 7CAL
  • Retrieve 7CAL in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 7CAL from S2C, [Save to disk]
  • View 7CAL in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 7CAL
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • Fold representative 7cal from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [7cal_B] [7cal_A] [7cal_C] [7cal_D]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 7CAL
  • Community annotation for 7CAL at PDBWiki (http://pdbwiki.org)

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