4QKM		date
authors
compound		source
symmetry		R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution
ligand	ACE, CA, CL, EDO, NH2, OLB	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	High-resolution structures of the M2 channel from influenza A virus reveal dynamic pathways for proton stabilization and transduction., Thomaston JL, Alfonso-Prieto M, Woldeyes RA, Fraser JS, Klein ML, Fiorin G, DeGrado WF, Proc Natl Acad Sci U S A. 2015 Nov 17;112(46):14260-5. doi:, 10.1073/pnas.1518493112. Epub 2015 Nov 2. PMID:26578770

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (25 Kb) [Save to disk] Biological Unit Coordinates (4qkm.pdb1.gz) 80 Kb LPC: Ligand-Protein Contacts for 4QKM CSU: Contacts of Structural Units for 4QKM Structure Factors (97 Kb) Retrieve 4QKM in mmCIF format [Save to disk] Re-refined 4qkm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4QKM 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.

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: [4qkm] [4qkm_A] SWISS-PROT database:

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