2QA3		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	GOL, KST, PMP, PSZ, SO4	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	Inactivation of Escherichia coli l-Aspartate Aminotransferase by (S)-4-Amino-4,5-dihydro-2-thiophenecarboxylic Acid Reveals "A Tale of Two Mechanisms"(,)., Liu D, Pozharski E, Lepore BW, Fu M, Silverman RB, Petsko GA, Ringe D, Biochemistry. 2007 Aug 22;. PMID:17713924

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (165 Kb) [Save to disk] Biological Unit Coordinates (2qa3.pdb1.gz) 314 Kb LPC: Ligand-Protein Contacts for 2QA3 CSU: Contacts of Structural Units for 2QA3 Likely Quarternary Molecular Structure file(s) for 2QA3 Structure Factors (779 Kb) Retrieve 2QA3 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QA3 from S2C, [Save to disk] Re-refined 2qa3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QA3 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: [2qa3] [2qa3_A] SWISS-PROT database: [P00509]

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