2gz2
From Proteopedia
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| - | [[Image:2gz2.gif|left|200px]] | + | [[Image:2gz2.gif|left|200px]] |
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| - | '''Structure of Aspartate Semialdehyde Dehydrogenase (ASADH) from Streptococcus pneumoniae complexed with 2',5'-ADP''' | + | {{Structure |
| + | |PDB= 2gz2 |SIZE=350|CAPTION= <scene name='initialview01'>2gz2</scene>, resolution 2.100Å | ||
| + | |SITE= <scene name='pdbsite=AC1:A2p+Binding+Site+For+Residue+B+501'>AC1</scene> and <scene name='pdbsite=AC2:A2p+Binding+Site+For+Residue+A+502'>AC2</scene> | ||
| + | |LIGAND= <scene name='pdbligand=A2P:ADENOSINE-2'-5'-DIPHOSPHATE'>A2P</scene> | ||
| + | |ACTIVITY= [http://en.wikipedia.org/wiki/Aspartate-semialdehyde_dehydrogenase Aspartate-semialdehyde dehydrogenase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.2.1.11 1.2.1.11] | ||
| + | |GENE= asd ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1313 Streptococcus pneumoniae]) | ||
| + | }} | ||
| + | |||
| + | '''Structure of Aspartate Semialdehyde Dehydrogenase (ASADH) from Streptococcus pneumoniae complexed with 2',5'-ADP''' | ||
| + | |||
==Overview== | ==Overview== | ||
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==About this Structure== | ==About this Structure== | ||
| - | 2GZ2 is a [ | + | 2GZ2 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Streptococcus_pneumoniae Streptococcus pneumoniae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2GZ2 OCA]. |
==Reference== | ==Reference== | ||
| - | Examination of key intermediates in the catalytic cycle of aspartate-beta-semialdehyde dehydrogenase from a gram-positive infectious bacteria., Faehnle CR, Le Coq J, Liu X, Viola RE, J Biol Chem. 2006 Oct 13;281(41):31031-40. Epub 2006 Aug 8. PMID:[http:// | + | Examination of key intermediates in the catalytic cycle of aspartate-beta-semialdehyde dehydrogenase from a gram-positive infectious bacteria., Faehnle CR, Le Coq J, Liu X, Viola RE, J Biol Chem. 2006 Oct 13;281(41):31031-40. Epub 2006 Aug 8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16895909 16895909] |
[[Category: Aspartate-semialdehyde dehydrogenase]] | [[Category: Aspartate-semialdehyde dehydrogenase]] | ||
[[Category: Single protein]] | [[Category: Single protein]] | ||
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[[Category: oxidoreductase]] | [[Category: oxidoreductase]] | ||
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 17:10:31 2008'' |
Revision as of 15:10, 20 March 2008
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| , resolution 2.100Å | |||||||
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| Sites: | and | ||||||
| Ligands: | |||||||
| Gene: | asd (Streptococcus pneumoniae) | ||||||
| Activity: | Aspartate-semialdehyde dehydrogenase, with EC number 1.2.1.11 | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
Structure of Aspartate Semialdehyde Dehydrogenase (ASADH) from Streptococcus pneumoniae complexed with 2',5'-ADP
Overview
Aspartate-beta-semialdehyde dehydrogenase (ASADH) catalyzes a critical branch point transformation in amino acid bio-synthesis. The products of the aspartate pathway are essential in microorganisms, and this entire pathway is absent in mammals, making this enzyme an attractive target for antibiotic development. The first structure of an ASADH from a Gram-positive bacterium, Streptococcus pneumoniae, has now been determined. The overall structure of the apoenzyme has a similar fold to those of the Gram-negative and archaeal ASADHs but contains some interesting structural variations that can be exploited for inhibitor design. Binding of the coenzyme NADP, as well as a truncated nucleotide analogue, into an alternative conformation from that observed in Gram-negative ASADHs causes an enzyme domain closure that precedes catalysis. The covalent acyl-enzyme intermediate was trapped by soaking the substrate into crystals of the coenzyme complex, and the structure of this elusive intermediate provides detailed insights into the catalytic mechanism.
About this Structure
2GZ2 is a Single protein structure of sequence from Streptococcus pneumoniae. Full crystallographic information is available from OCA.
Reference
Examination of key intermediates in the catalytic cycle of aspartate-beta-semialdehyde dehydrogenase from a gram-positive infectious bacteria., Faehnle CR, Le Coq J, Liu X, Viola RE, J Biol Chem. 2006 Oct 13;281(41):31031-40. Epub 2006 Aug 8. PMID:16895909
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