2bhq | pdb_00002bhq

CRYSTAL ANALYSIS OF 1-PYRROLINE-5-CARBOXYLATE DEHYDROGENASE FROM THERMUS WITH BOUND PRODUCT GLUTAMATE.

spinqualitylabelsall models 2bhq, resolution 1.40Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2bhq is a 2 chain structure with sequence from Thermus thermophilus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: ACT, GLU, MPD, MRD Related: 2bhp, 2bja, 2bjk Activity: 1-pyrroline-5-carboxylate dehydrogenase, with EC number 1.5.1.12 Resources: FirstGlance, OCA, RCSB, PDBsum, TOPSAN Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed Delta(1)-pyrroline-5-carboxylate dehydrogenase (P5CDh) plays an important role in the metabolic pathway from proline to glutamate. It irreversibly catalyzes the oxidation of glutamate-gamma-semialdehyde, the product of the non-enzymatic hydrolysis of Delta(1)-pyrroline-5-carboxylate, into glutamate with the reduction of NAD(+) into NADH. We have confirmed the P5CDh activity of the Thermus thermophilus protein TT0033 (TtP5CDh), and determined the crystal structure of the enzyme in the ligand-free form at 1.4 A resolution. To investigate the structural basis of TtP5CDh function, the TtP5CDh structures with NAD(+), with NADH, and with its product glutamate were determined at 1.8 A, 1.9 A, and 1.4 A resolution, respectively. The solved structures suggest an overall view of the P5CDh catalytic mechanism and provide insights into the P5CDh deficiencies in the case of the human type II hyperprolinemia. Crystal structure of Thermus thermophilus Delta1-pyrroline-5-carboxylate dehydrogenase.,Inagaki E, Ohshima N, Takahashi H, Kuroishi C, Yokoyama S, Tahirov TH J Mol Biol. 2006 Sep 22;362(3):490-501. Epub 2006 Jul 29. PMID:16934832 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Pyrroline-5-carboxylate dehydrogenase

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