1R3I		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, F09, RB	enzyme
related structures	by homologous chain: 1JHL, 1K4D, 1K6Q, 1KEG, 1R3L, 2AP2
Gene Ontology	Chain Function Process Component C L
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] (91 Kb) [Save to disk] Biological Unit Coordinates (1r3i.pdb1.gz) 334 Kb LPC: Ligand-Protein Contacts for 1R3I CSU: Contacts of Structural Units for 1R3I Likely Quarternary Molecular Structure file(s) for 1R3I Structure Factors (297 Kb) Retrieve 1R3I in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1R3I from S2C, [Save to disk] Re-refined 1r3i structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1R3I 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: [1r3i] [1r3i_C] [1r3i_H] [1r3i_L] SWISS-PROT database: [P01837] [P0A334] Belongs to the voltage-gated ion channel (vic) superfamily according to TCDB. Domains found in 1R3I: [IG_like] [IGv ] by SMART

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