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 Microscopy	resolution	3.20 Å
ligand	3PE	enzyme
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Cryo-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

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