1K4X		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, 8 Models	resolution
Primary reference	The effect of sodium, potassium and ammonium ions on the conformation of the dimeric quadruplex formed by the Oxytricha nova telomere repeat oligonucleotide d(G(4)T(4)G(4))., Schultze P, Hud NV, Smith FW, Feigon J, Nucleic Acids Res 1999 Aug 1;27(15):3018-28. PMID:10454595

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (101 Kb) [Save to disk] Biological Unit Coordinates (1k4x.pdb1.gz) 13 Kb CSU: Contacts of Structural Units for 1K4X Retrieve 1K4X in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K4X from S2C, [Save to disk]

View 1K4X 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: [1k4x] [1k4x_A] [1k4x_B] SWISS-PROT database:

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