7CFT Membrane Protein date Jun 28, 2020
title Cryo-Em Strucutre Of Human Acid-Sensing Ion Channel 1a In Co Snake Toxin Mambalgin1 At Ph 8.0
authors D.M.Sun, S.L.Liu, S.Y.Li, F.Yang, C.L.Tian
compound source
Molecule: Acid-Sensing Ion Channel 1
Chain: A, B, C
Synonym: Asic1,Amiloride-Sensitive Cation Channel 2,Neurona Sodium Channel 2,Bnac2;
Engineered: Yes
 Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Asic1, Accn2, Bnac2
Expression_system: Spodoptera Frugiperda
Expression_system_taxid: 7108

Molecule: Mambalgin-1
Chain: D, E, F
Synonym: Mamb-1,Pi-Dp1
Engineered: Yes
Synthetic: Yes
Organism_scientific: Dendroaspis Polylepis Polylepis
Organism_common: Black Mamba
Organism_taxid: 8620
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 3.90 Å
ligand NAG enzyme
Primary referenceStructural insights into human acid-sensing ion channel 1a inhibition by snake toxin mambalgin1., Sun D, Liu S, Li S, Zhang M, Yang F, Wen M, Shi P, Wang T, Pan M, Chang S, Zhang X, Zhang L, Tian C, Liu L, Elife. 2020 Sep 11;9. pii: 57096. doi: 10.7554/eLife.57096. PMID:32915133
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (212 Kb) [Save to disk]
  • Biological Unit Coordinates (7cft.pdb1.gz) 203 Kb
  • LPC: Ligand-Protein Contacts for 7CFT
  • CSU: Contacts of Structural Units for 7CFT
  • Retrieve 7CFT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 7CFT from S2C, [Save to disk]
    • View 7CFT 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 7CFT
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [7cft_C] [7cft_F] [7cft_E] [7cft_B] [7cft_A] [7cft_D]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
    • Other resources with information on 7CFT
  • Community annotation for 7CFT at PDBWiki (http://pdbwiki.org)

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