1uzb
From Proteopedia
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[[Image:1uzb.gif|left|200px]] | [[Image:1uzb.gif|left|200px]] | ||
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'''1-PYRROLINE-5-CARBOXYLATE DEHYDROGENASE''' | '''1-PYRROLINE-5-CARBOXYLATE DEHYDROGENASE''' | ||
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[[Category: Tahirov, T H.]] | [[Category: Tahirov, T H.]] | ||
[[Category: 1-pyrroline-5-carboxylate]] | [[Category: 1-pyrroline-5-carboxylate]] | ||
| - | [[Category: | + | [[Category: Dehydrogenase]] |
| - | [[Category: | + | [[Category: Oxidoreductase]] |
| - | [[Category: | + | [[Category: Riken structural genomics/proteomics initiative]] |
| - | [[Category: | + | [[Category: Rsgi]] |
| - | [[Category: | + | [[Category: Structural genomic]] |
| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 11:53:48 2008'' | |
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | |
Revision as of 08:53, 3 May 2008
1-PYRROLINE-5-CARBOXYLATE DEHYDROGENASE
Overview
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.
About this Structure
1UZB is a Single protein structure of sequence from Thermus thermophilus. Full crystallographic information is available from OCA.
Reference
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 Page seeded by OCA on Sat May 3 11:53:48 2008
