1R3K		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	DGA, TL	enzyme
related structures	by homologous chain: 1CFT, 1JVM, 1R0A, 1ZA6, 2BOB
Gene Ontology	Chain Function Process Component A C
Primary reference	The occupancy of ions in the K+ selectivity filter: charge balance and coupling of ion binding to a protein conformational change underlie high conduction rates., Zhou Y, MacKinnon R, J Mol Biol 2003 Nov 7;333(5):965-75. PMID:14583193

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk] Biological Unit Coordinates (1r3k.pdb1.gz) 316 Kb LPC: Ligand-Protein Contacts for 1R3K CSU: Contacts of Structural Units for 1R3K Likely Quarternary Molecular Structure file(s) for 1R3K Structure Factors (186 Kb) Retrieve 1R3K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1R3K from S2C, [Save to disk] Re-refined 1r3k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1R3K 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: [1r3k] [1r3k_A] [1r3k_B] [1r3k_C] SWISS-PROT database: [P01837] [P0A334] Belongs to the voltage-gated ion channel (vic) superfamily according to TCDB. Domains found in 1R3K: [IG_like] [IGv ] by SMART

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