DAHP synthase

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The DAHPS active site is located in a channel at the C-terminal of the enzyme where the <scene name='70/708806/Cv/7'>substrate (PEP)</scene>, <scene name='70/708806/Cv/8'>inhibitor (phenylalanine)</scene> and <scene name='70/708806/Cv/9'>metal ion (Mn+2)</scene> are seen. The bivalent metal is bound to a Cys-X-X-His motif.<ref>PMID:12126632</ref>
The DAHPS active site is located in a channel at the C-terminal of the enzyme where the <scene name='70/708806/Cv/7'>substrate (PEP)</scene>, <scene name='70/708806/Cv/8'>inhibitor (phenylalanine)</scene> and <scene name='70/708806/Cv/9'>metal ion (Mn+2)</scene> are seen. The bivalent metal is bound to a Cys-X-X-His motif.<ref>PMID:12126632</ref>
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== 3D Structures of DAHP synthase ==
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[[DAHP synthase 3D structures]]
</StructureSection>
</StructureSection>
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**[[4ixx]] - NmDAHPS (mutant) + Mn <br />
**[[4ixx]] - NmDAHPS (mutant) + Mn <br />
**[[3tqk]] - DAHPS + Mn – ''Francisella tularensis''<br />
**[[3tqk]] - DAHPS + Mn – ''Francisella tularensis''<br />
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**[[3nvt]] - LmDAHPS + Mn – ''Listeria monocytogenes''<br />
*DAHP synthase binary complex
*DAHP synthase binary complex
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**[[2w19]] - MtDAHPS + chorismate mutase <br />
**[[2w19]] - MtDAHPS + chorismate mutase <br />
**[[5huc]] - CgDAHPS + Mn + PEP – ''Corynebacterium glutamicum''<br />
**[[5huc]] - CgDAHPS + Mn + PEP – ''Corynebacterium glutamicum''<br />
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**[[3tfc]] - LmDAHPS + Mn + PEP <br />
*DAHP synthase higher complex
*DAHP synthase higher complex

Revision as of 08:57, 3 June 2019

E. coli DAHP synthase complex with PEP, phenylalanine, sulfate and Mn+2 ion (PDB code 1kfl)

Drag the structure with the mouse to rotate

3D Structures of DAHP synthase

Updated on 03-June-2019

References

  1. Stephens CM, Bauerle R. Analysis of the metal requirement of 3-deoxy-D-arabino-heptulosonate-7-phosphate synthase from Escherichia coli. J Biol Chem. 1991 Nov 5;266(31):20810-7. PMID:1682314
  2. Shumilin IA, Zhao C, Bauerle R, Kretsinger RH. Allosteric inhibition of 3-deoxy-D-arabino-heptulosonate-7-phosphate synthase alters the coordination of both substrates. J Mol Biol. 2002 Jul 26;320(5):1147-56. PMID:12126632

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Michal Harel, Alexander Berchansky, Joel L. Sussman

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