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Crystal structure and biophysical characterization of IspD from Burkholderia thailandensis and Mycobacterium paratuberculosis.
Pierce, Phillip G; Hartnett, Brian E; Laughlin, Tosha M; Blain, Joy M; Mayclin, Stephen J; Bolejack, Madison J; Myers, Janette B; Higgins, Tate W; Dranow, David M; Sullivan, Amy; Lorimer, Donald D; Edwards, Thomas E; Hagen, Timothy J; Horn, James R; Myler, Peter J.
Afiliación
  • Pierce PG; Seattle Structural Genomics Center for Infectious Disease (SSGCID), Seattle, WA 98109, USA.
  • Hartnett BE; Department of Chemistry and Biochemistry, Northern Illinois University, 1425 Lincoln Highway, DeKalb, IL 60115, USA.
  • Laughlin TM; Department of Chemistry and Biochemistry, Northern Illinois University, 1425 Lincoln Highway, DeKalb, IL 60115, USA.
  • Blain JM; Department of Chemistry and Biochemistry, Northern Illinois University, 1425 Lincoln Highway, DeKalb, IL 60115, USA.
  • Mayclin SJ; UCB Pharma, 7869 NE Day Road West, Bainbridge Island, WA 98110, USA.
  • Bolejack MJ; UCB Pharma, 7869 NE Day Road West, Bainbridge Island, WA 98110, USA.
  • Myers JB; Seattle Structural Genomics Center for Infectious Disease (SSGCID), Seattle, WA 98109, USA.
  • Higgins TW; Seattle Structural Genomics Center for Infectious Disease (SSGCID), Seattle, WA 98109, USA.
  • Dranow DM; UCB Pharma, 7869 NE Day Road West, Bainbridge Island, WA 98110, USA.
  • Sullivan A; Seattle Structural Genomics Center for Infectious Disease (SSGCID), Seattle, WA 98109, USA.
  • Lorimer DD; UCB Pharma, 7869 NE Day Road West, Bainbridge Island, WA 98110, USA.
  • Edwards TE; UCB Pharma, 7869 NE Day Road West, Bainbridge Island, WA 98110, USA.
  • Hagen TJ; Department of Chemistry and Biochemistry, Northern Illinois University, 1425 Lincoln Highway, DeKalb, IL 60115, USA.
  • Horn JR; Department of Chemistry and Biochemistry, Northern Illinois University, 1425 Lincoln Highway, DeKalb, IL 60115, USA.
  • Myler PJ; Seattle Structural Genomics Center for Infectious Disease (SSGCID), Seattle, WA 98109, USA.
Acta Crystallogr F Struct Biol Commun ; 80(Pt 2): 43-51, 2024 Feb 01.
Article en En | MEDLINE | ID: mdl-38305785
ABSTRACT
The methylerythritol phosphate (MEP) pathway is a metabolic pathway that produces the isoprenoids isopentyl pyrophosphate and dimethylallyl pyrophosphate. Notably, the MEP pathway is present in bacteria and not in mammals, which makes the enzymes of the MEP pathway attractive targets for discovering new anti-infective agents due to the reduced chances of off-target interactions leading to side effects. There are seven enzymes in the MEP pathway, the third of which is IspD. Two crystal structures of Burkholderia thailandensis IspD (BtIspD) were determined an apo structure and that of a complex with cytidine triphosphate (CTP). Comparison of the CTP-bound BtIspD structure with the apo structure revealed that CTP binding stabilizes the loop composed of residues 13-19. The apo structure of Mycobacterium paratuberculosis IspD (MpIspD) is also reported. The melting temperatures of MpIspD and BtIspD were evaluated by circular dichroism. The moderate Tm values suggest that a thermal shift assay may be feasible for future inhibitor screening. Finally, the binding affinity of CTP for BtIspD was evaluated by isothermal titration calorimetry. These structural and biophysical data will aid in the discovery of IspD inhibitors.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Mycobacterium avium subsp. paratuberculosis / Burkholderia Idioma: En Revista: Acta Crystallogr F Struct Biol Commun Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos
Texto completo
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Imprimir
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Mycobacterium avium subsp. paratuberculosis / Burkholderia Idioma: En Revista: Acta Crystallogr F Struct Biol Commun Año: 2024 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos