1QK5		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	MG, POP, XMP	enzyme
related structures	by homologous chain: 1FSG, 1QK3
Gene Ontology	Chain Function Process Component B, A
Primary reference	Crystal structure of Toxoplasma gondii hypoxanthine-guanine phosphoribosyltransferase with XMP, pyrophosphate, and two Mg(2+) ions bound: insights into the catalytic mechanism., Heroux A, White EL, Ross LJ, Davis RL, Borhani DW, Biochemistry 1999 Nov 2;38(44):14495-506. PMID:10545171

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (81 Kb) [Save to disk] Biological Unit Coordinates (1qk5.pdb1.gz) 146 Kb LPC: Ligand-Protein Contacts for 1QK5 CSU: Contacts of Structural Units for 1QK5 Likely Quarternary Molecular Structure file(s) for 1QK5 Structure Factors (744 Kb) Retrieve 1QK5 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QK5 from S2C, [Save to disk] Re-refined 1qk5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QK5 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: [1qk5] [1qk5_A] [1qk5_B] SWISS-PROT database: [Q26997]

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