1K4C		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, K	enzyme
note	1K4C (Molecule of the Month:pdb38)
related structures	by homologous chain: 1D6V, 1DQJ, 1R3J, 1S5H, 1YY8
Gene Ontology	Chain Function Process Component C
Primary reference	Chemistry of ion coordination and hydration revealed by a K+ channel-Fab complex at 2.0 A resolution., Zhou Y, Morais-Cabral JH, Kaufman A, MacKinnon R, Nature 2001 Nov 1;414(6859):43-8. PMID:11689936

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (97 Kb) [Save to disk] Biological Unit Coordinates (1k4c.pdb1.gz) 358 Kb LPC: Ligand-Protein Contacts for 1K4C CSU: Contacts of Structural Units for 1K4C Likely Quarternary Molecular Structure file(s) for 1K4C Structure Factors (533 Kb) Retrieve 1K4C in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K4C from S2C, [Save to disk] Re-refined 1k4c structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1K4C 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: [1k4c] [1k4c_A] [1k4c_B] [1k4c_C] SWISS-PROT database: [P01837] [P0A334] Belongs to the voltage-gated ion channel (vic) superfamily according to TCDB. Domains found in 1K4C: [IG_like] [IGv ] by SMART

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