1QK4		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	IMP	enzyme
related structures	by homologous chain: 1DBR, 1QK3
Gene Ontology	Chain Function Process Component A, C, B, D
Primary reference	Crystal structures of the Toxoplasma gondii hypoxanthine-guanine phosphoribosyltransferase-GMP and -IMP complexes: comparison of purine binding interactions with the XMP complex., Heroux A, White EL, Ross LJ, Borhani DW, Biochemistry 1999 Nov 2;38(44):14485-94. PMID:10545170

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (156 Kb) [Save to disk] Biological Unit Coordinates (1qk4.pdb1.gz) 150 Kb LPC: Ligand-Protein Contacts for 1QK4 CSU: Contacts of Structural Units for 1QK4 Likely Quarternary Molecular Structure file(s) for 1QK4 Structure Factors (967 Kb) Retrieve 1QK4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QK4 from S2C, [Save to disk] Re-refined 1qk4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QK4 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: [1qk4] [1qk4_A] [1qk4_B] [1qk4_C] [1qk4_D] SWISS-PROT database: [Q26997]

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