4KQX		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	HIO, HIS, MG, NAD	enzyme
Gene	HMPREF0762
Gene Ontology	Chain Function Process Component B, A
Primary reference	General approach to reversing ketol-acid reductoisomerase cofactor dependence from NADPH to NADH., Brinkmann-Chen S, Flock T, Cahn JK, Snow CD, Brustad EM, McIntosh JA, Meinhold P, Zhang L, Arnold FH, Proc Natl Acad Sci U S A. 2013 Jul 2;110(27):10946-51. doi:, 10.1073/pnas.1306073110. Epub 2013 Jun 17. PMID:23776225

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (116 Kb) [Save to disk] Biological Unit Coordinates (4kqx.pdb1.gz) 109 Kb LPC: Ligand-Protein Contacts for 4KQX CSU: Contacts of Structural Units for 4KQX Structure Factors (2636 Kb) Retrieve 4KQX in mmCIF format [Save to disk] Re-refined 4kqx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4KQX 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: [4kqx] [4kqx_A] [4kqx_B] SWISS-PROT database:

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