2QPS		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	CA	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	The 'pair of sugar tongs' site on the non-catalytic domain C of barley alpha-amylase participates in substrate binding and activity., Bozonnet S, Jensen MT, Nielsen MM, Aghajari N, Jensen MH, Kramhoft B, Willemoes M, Tranier S, Haser R, Svensson B, FEBS J. 2007 Oct;274(19):5055-67. Epub 2007 Sep 4. PMID:17803687

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (70 Kb) [Save to disk] Biological Unit Coordinates (2qps.pdb1.gz) 66 Kb LPC: Ligand-Protein Contacts for 2QPS CSU: Contacts of Structural Units for 2QPS Likely Quarternary Molecular Structure file(s) for 2QPS Structure Factors (249 Kb) Retrieve 2QPS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QPS from S2C, [Save to disk] Re-refined 2qps structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QPS 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: [2qps] [2qps_A] SWISS-PROT database: [P00693] Domains found in 2QPS: [Aamy] [Alpha-amyl_C2 ] by SMART

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