2aat is a 1 chain structure with sequence from Escherichia coli. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.
Publication Abstract from PubMed
The three-dimensional structure of a mutant of the aspartate aminotransferase from Escherichia coli, in which the active-site lysine has been substituted by alanine (K258A), has been determined at 2.8-A resolution by X-ray diffraction. The mutant enzyme contains pyridoxamine phosphate as cofactor. The structure is compared to that of the mitochondrial aspartate aminotransferase. The most striking differences, aside from the absence of the lysine side chain, occur in the positions of the pyridoxamine group and of tryptophan 140.
2.8-A-resolution crystal structure of an active-site mutant of aspartate aminotransferase from Escherichia coli.,Smith DL, Almo SC, Toney MD, Ringe D Biochemistry. 1989 Oct 3;28(20):8161-7. PMID:2513875[1]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
↑ Smith DL, Almo SC, Toney MD, Ringe D. 2.8-A-resolution crystal structure of an active-site mutant of aspartate aminotransferase from Escherichia coli. Biochemistry. 1989 Oct 3;28(20):8161-7. PMID:2513875