2KEK		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
Gene Ontology	Chain Function Process Component B, A
Primary reference	Specificity and affinity of Lac repressor for the auxiliary operators O2 and O3 are explained by the structures of their protein-DNA complexes., Romanuka J, Folkers GE, Biris N, Tishchenko E, Wienk H, Bonvin AM, Kaptein R, Boelens R, J Mol Biol. 2009 Jul 17;390(3):478-89. Epub 2009 May 18. PMID:19450607

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (615 Kb) [Save to disk] Biological Unit Coordinates (2kek.pdb1.gz) 62 Kb CSU: Contacts of Structural Units for 2KEK Original NMR restraints for 2KEK from PDB Retrieve 2KEK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2KEK from S2C, [Save to disk]

View 2KEK 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: [2kek] [2kek_A] [2kek_B] [2kek_C] [2kek_D] SWISS-PROT database: [P03023] Domain found in 2KEK: [HTH_LACI ] by SMART

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