4QKC

Influenza A M2 wild type TM domain at low pH in the lipidic cubic phase under cryo diffraction conditions

Structural Biology Knowledgebase: 4QKC SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.1 Å
  • R-Value Free: 0.128
  • R-Value Work: 0.108

Literature

Macromolecules
Sequence Display for 4QKC

Classification: VIRAL PROTEIN

Total Structure Weight: 3645.14

Macromolecule Entities
Molecule Chains Length Organism Details
influenza M2 monomer A 27 Influenza a virus Gene Name(s): M
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: Channels: Other Ion Channels

Protein Name: M2 proton channel (AM2)


Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
OLB
Query on OLB

A (2S)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate
C21 H40 O4
RZRNAYUHWVFMIP-QJRAZLAKSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
EDO
Query on EDO

A 1,2-ETHANEDIOL
ETHYLENE GLYCOL (Synonym)
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CL
Query on CL

A CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 2 Unique
ID Chains Type Formula 2D Diagram Parent
ACE
Query on ACE
A NON-POLYMER C2 H4 O --
NH2
Query on NH2
A NON-POLYMER H2 N --

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.1 Å
  • R-Value Free: 0.128
  • R-Value Work: 0.108
  • Space Group: I 4

Unit Cell:

Length (Å) Angle (°)
a = 29.31 α = 90.00
b = 29.31 β = 90.00
c = 67.31 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2014-06-05
  • Released Date: 2015-11-11
  • Deposition author(s): Thomaston, J.L., DeGrado, W.F.

Revision History

  • 2015-12-16
    Type: Citation | Details: Citation update