6h2s

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Sulfolobus solfataricus 2-keto-3-deoxygluconate aldolase T157V/D181Q/A198L variant, pyruvate complexSulfolobus solfataricus 2-keto-3-deoxygluconate aldolase T157V/D181Q/A198L variant, pyruvate complex

Structural highlights

6h2s is a 4 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:, , ,
Activity:2-dehydro-3-deoxy-phosphogluconate/2-dehydro-3-deoxy-6-phosphogalactonate aldolase, with EC number 4.1.2.55
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[KDGA_SULSF] Involved in the degradation of glucose and galactose via the Entner-Doudoroff pathway. Catalyzes the reversible cleavage of 2-keto-3-deoxy-6-phosphogluconate (KDPG) and 2-keto-3-deoxygluconate (KDG) forming pyruvate and glyceraldehyde 3-phosphate or glyceraldehyde, respectively. It is also able to catalyze the reversible cleavage of 2-keto-3-deoxy-6-phosphogalactonate (KDPGal) and 2-keto-3-deoxygalactonate (KDGal). It is equally active with both D- and L-glyceraldehyde.[1] [2] [3]

References

  1. Buchanan CL, Connaris H, Danson MJ, Reeve CD, Hough DW. An extremely thermostable aldolase from Sulfolobus solfataricus with specificity for non-phosphorylated substrates. Biochem J. 1999 Nov 1;343 Pt 3:563-70. PMID:10527934
  2. Lamble HJ, Heyer NI, Bull SD, Hough DW, Danson MJ. Metabolic pathway promiscuity in the archaeon Sulfolobus solfataricus revealed by studies on glucose dehydrogenase and 2-keto-3-deoxygluconate aldolase. J Biol Chem. 2003 Sep 5;278(36):34066-72. Epub 2003 Jun 24. PMID:12824170 doi:http://dx.doi.org/10.1074/jbc.M305818200
  3. Lamble HJ, Theodossis A, Milburn CC, Taylor GL, Bull SD, Hough DW, Danson MJ. Promiscuity in the part-phosphorylative Entner-Doudoroff pathway of the archaeon Sulfolobus solfataricus. FEBS Lett. 2005 Dec 19;579(30):6865-9. Epub 2005 Dec 1. PMID:16330030 doi:http://dx.doi.org/10.1016/j.febslet.2005.11.028

6h2s, resolution 2.17Å

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