A novel amidotransferase required for lipoic acid cofactor assembly in Bacillus subtilis
- Autores
- Christensen, Quin H.; Martin, Natalia; Mansilla, Maria Cecilia; de Mendoza, Diego; Cronan, John E.
- Año de publicación
- 2011
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- In the companion paper we reported that Bacillussubtilis requires three proteins for lipoic acid metabolism,all of which are members of the lipoate proteinligase family. Two of the proteins, LipM and LplJ, havebeen shown to be an octanoyltransferase and alipoate : protein ligase respectively. The third protein,LipL, is essential for lipoic acid synthesis, but hadno detectable octanoyltransferase or ligase activityeither in vitro or in vivo. We report that LipM specificallymodifies the glycine cleavage system protein,GcvH, and therefore another mechanism mustexist for modification of other lipoic acid requiringenzymes (e.g. pyruvate dehydrogenase). We showthat this function is provided by LipL, which catalysesthe amidotransfer (transamidation) of the octanoylmoiety from octanoyl-GcvH to the E2 subunit of pyruvatedehydrogenase. LipL activity was demonstratedin vitro with purified components and proceeds via athioester-linked acyl-enzyme intermediate. As predicted,DgcvH strains are lipoate auxotrophs. LipLrepresents a new enzyme activity. It is a GcvH:[lipoyldomain] amidotransferase that probably uses a Cys-Lys catalytic dyad. Although the active site cysteineresidues of LipL and LipB are located in differentpositions within the polypeptide chains, alignment oftheir structures show these residues occupy similarpositions. Thus, these two homologous enzymeshave convergent architectures.
Fil: Christensen, Quin H.. University of Illinois; Estados Unidos
Fil: Martin, Natalia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; Argentina
Fil: Mansilla, Maria Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; Argentina
Fil: de Mendoza, Diego. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; Argentina
Fil: Cronan, John E.. University of Illinois; Estados Unidos - Materia
-
LIPOIC ACID
BACILLUS SUBTILIS
AMIDOTRANSFERASE - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/268219
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CONICET Digital (CONICET) |
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A novel amidotransferase required for lipoic acid cofactor assembly in Bacillus subtilisChristensen, Quin H.Martin, NataliaMansilla, Maria Ceciliade Mendoza, DiegoCronan, John E.LIPOIC ACIDBACILLUS SUBTILISAMIDOTRANSFERASEhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1In the companion paper we reported that Bacillussubtilis requires three proteins for lipoic acid metabolism,all of which are members of the lipoate proteinligase family. Two of the proteins, LipM and LplJ, havebeen shown to be an octanoyltransferase and alipoate : protein ligase respectively. The third protein,LipL, is essential for lipoic acid synthesis, but hadno detectable octanoyltransferase or ligase activityeither in vitro or in vivo. We report that LipM specificallymodifies the glycine cleavage system protein,GcvH, and therefore another mechanism mustexist for modification of other lipoic acid requiringenzymes (e.g. pyruvate dehydrogenase). We showthat this function is provided by LipL, which catalysesthe amidotransfer (transamidation) of the octanoylmoiety from octanoyl-GcvH to the E2 subunit of pyruvatedehydrogenase. LipL activity was demonstratedin vitro with purified components and proceeds via athioester-linked acyl-enzyme intermediate. As predicted,DgcvH strains are lipoate auxotrophs. LipLrepresents a new enzyme activity. It is a GcvH:[lipoyldomain] amidotransferase that probably uses a Cys-Lys catalytic dyad. Although the active site cysteineresidues of LipL and LipB are located in differentpositions within the polypeptide chains, alignment oftheir structures show these residues occupy similarpositions. Thus, these two homologous enzymeshave convergent architectures.Fil: Christensen, Quin H.. University of Illinois; Estados UnidosFil: Martin, Natalia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; ArgentinaFil: Mansilla, Maria Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; ArgentinaFil: de Mendoza, Diego. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; ArgentinaFil: Cronan, John E.. University of Illinois; Estados UnidosWiley Blackwell Publishing, Inc2011-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/268219Christensen, Quin H.; Martin, Natalia; Mansilla, Maria Cecilia; de Mendoza, Diego; Cronan, John E.; A novel amidotransferase required for lipoic acid cofactor assembly in Bacillus subtilis; Wiley Blackwell Publishing, Inc; Molecular Microbiology; 80; 2; 3-2011; 350-3630950-382XCONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1111/j.1365-2958.2011.07598.xinfo:eu-repo/semantics/altIdentifier/doi/10.1111/j.1365-2958.2011.07598.xinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:07:48Zoai:ri.conicet.gov.ar:11336/268219instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 10:07:48.643CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
A novel amidotransferase required for lipoic acid cofactor assembly in Bacillus subtilis |
title |
A novel amidotransferase required for lipoic acid cofactor assembly in Bacillus subtilis |
spellingShingle |
A novel amidotransferase required for lipoic acid cofactor assembly in Bacillus subtilis Christensen, Quin H. LIPOIC ACID BACILLUS SUBTILIS AMIDOTRANSFERASE |
title_short |
A novel amidotransferase required for lipoic acid cofactor assembly in Bacillus subtilis |
title_full |
A novel amidotransferase required for lipoic acid cofactor assembly in Bacillus subtilis |
title_fullStr |
A novel amidotransferase required for lipoic acid cofactor assembly in Bacillus subtilis |
title_full_unstemmed |
A novel amidotransferase required for lipoic acid cofactor assembly in Bacillus subtilis |
title_sort |
A novel amidotransferase required for lipoic acid cofactor assembly in Bacillus subtilis |
dc.creator.none.fl_str_mv |
Christensen, Quin H. Martin, Natalia Mansilla, Maria Cecilia de Mendoza, Diego Cronan, John E. |
author |
Christensen, Quin H. |
author_facet |
Christensen, Quin H. Martin, Natalia Mansilla, Maria Cecilia de Mendoza, Diego Cronan, John E. |
author_role |
author |
author2 |
Martin, Natalia Mansilla, Maria Cecilia de Mendoza, Diego Cronan, John E. |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
LIPOIC ACID BACILLUS SUBTILIS AMIDOTRANSFERASE |
topic |
LIPOIC ACID BACILLUS SUBTILIS AMIDOTRANSFERASE |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
In the companion paper we reported that Bacillussubtilis requires three proteins for lipoic acid metabolism,all of which are members of the lipoate proteinligase family. Two of the proteins, LipM and LplJ, havebeen shown to be an octanoyltransferase and alipoate : protein ligase respectively. The third protein,LipL, is essential for lipoic acid synthesis, but hadno detectable octanoyltransferase or ligase activityeither in vitro or in vivo. We report that LipM specificallymodifies the glycine cleavage system protein,GcvH, and therefore another mechanism mustexist for modification of other lipoic acid requiringenzymes (e.g. pyruvate dehydrogenase). We showthat this function is provided by LipL, which catalysesthe amidotransfer (transamidation) of the octanoylmoiety from octanoyl-GcvH to the E2 subunit of pyruvatedehydrogenase. LipL activity was demonstratedin vitro with purified components and proceeds via athioester-linked acyl-enzyme intermediate. As predicted,DgcvH strains are lipoate auxotrophs. LipLrepresents a new enzyme activity. It is a GcvH:[lipoyldomain] amidotransferase that probably uses a Cys-Lys catalytic dyad. Although the active site cysteineresidues of LipL and LipB are located in differentpositions within the polypeptide chains, alignment oftheir structures show these residues occupy similarpositions. Thus, these two homologous enzymeshave convergent architectures. Fil: Christensen, Quin H.. University of Illinois; Estados Unidos Fil: Martin, Natalia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; Argentina Fil: Mansilla, Maria Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; Argentina Fil: de Mendoza, Diego. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Rosario. Instituto de Biología Molecular y Celular de Rosario. Universidad Nacional de Rosario. Facultad de Ciencias Bioquímicas y Farmacéuticas. Instituto de Biología Molecular y Celular de Rosario; Argentina Fil: Cronan, John E.. University of Illinois; Estados Unidos |
description |
In the companion paper we reported that Bacillussubtilis requires three proteins for lipoic acid metabolism,all of which are members of the lipoate proteinligase family. Two of the proteins, LipM and LplJ, havebeen shown to be an octanoyltransferase and alipoate : protein ligase respectively. The third protein,LipL, is essential for lipoic acid synthesis, but hadno detectable octanoyltransferase or ligase activityeither in vitro or in vivo. We report that LipM specificallymodifies the glycine cleavage system protein,GcvH, and therefore another mechanism mustexist for modification of other lipoic acid requiringenzymes (e.g. pyruvate dehydrogenase). We showthat this function is provided by LipL, which catalysesthe amidotransfer (transamidation) of the octanoylmoiety from octanoyl-GcvH to the E2 subunit of pyruvatedehydrogenase. LipL activity was demonstratedin vitro with purified components and proceeds via athioester-linked acyl-enzyme intermediate. As predicted,DgcvH strains are lipoate auxotrophs. LipLrepresents a new enzyme activity. It is a GcvH:[lipoyldomain] amidotransferase that probably uses a Cys-Lys catalytic dyad. Although the active site cysteineresidues of LipL and LipB are located in differentpositions within the polypeptide chains, alignment oftheir structures show these residues occupy similarpositions. Thus, these two homologous enzymeshave convergent architectures. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-03 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/268219 Christensen, Quin H.; Martin, Natalia; Mansilla, Maria Cecilia; de Mendoza, Diego; Cronan, John E.; A novel amidotransferase required for lipoic acid cofactor assembly in Bacillus subtilis; Wiley Blackwell Publishing, Inc; Molecular Microbiology; 80; 2; 3-2011; 350-363 0950-382X CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/268219 |
identifier_str_mv |
Christensen, Quin H.; Martin, Natalia; Mansilla, Maria Cecilia; de Mendoza, Diego; Cronan, John E.; A novel amidotransferase required for lipoic acid cofactor assembly in Bacillus subtilis; Wiley Blackwell Publishing, Inc; Molecular Microbiology; 80; 2; 3-2011; 350-363 0950-382X CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1111/j.1365-2958.2011.07598.x info:eu-repo/semantics/altIdentifier/doi/10.1111/j.1365-2958.2011.07598.x |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Wiley Blackwell Publishing, Inc |
publisher.none.fl_str_mv |
Wiley Blackwell Publishing, Inc |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1842270018417459200 |
score |
13.13397 |