Biochemical and MALDI-TOF mass spectrometric characterization of a novel native and recombinant cystine knot miniprotein from Solanum tuberosum subsp. andigenum cv. Churqueña

Autores
Cotabarren, Juliana; Tellechea, Mariana Edith; Tanco, Sebastián Martín; Lorenzo Rivera, Julia; Garcia Pardo, Javier; Avilés, Francesc Xavier; Obregon, Walter David
Año de publicación
2018
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Cystine-knot miniproteins (CKMPs) are an intriguing group of cysteine-rich molecules that combine the characteristics of proteins and peptides. Typically, CKMPs are fewer than 50 residues in length and share a characteristic knotted scaffold characterized by the presence of three intramolecular disulfide bonds that form the singular knotted structure. The knot scaffold confers on these proteins remarkable chemical, thermal, and proteolytic stability. Recently, CKMPs have emerged as a novel class of natural molecules with interesting pharmacological properties. In the present work, a novel cystine-knot metallocarboxypeptidase inhibitor (chuPCI) was isolated from tubers of Solanum tuberosum, subsp. andigenum cv. Churqueña. Our results demonstrated that chuPCI is a member of the A/B-type family of metallocarboxypeptidases inhibitors. chuPCI was expressed and characterized by a combination of biochemical and mass spectrometric techniques. Direct comparison of the MALDI-TOF mass spectra for the native and recombinant molecules allowed us to confirm the presence of four different forms of chuPCI in the tubers. The majority of such forms have a molecular weight of 4309 Da and contain a cyclized Gln in the N-terminus. The other three forms are derived from N-terminal and/or C-terminal proteolytic cleavages. Taken together, our results contribute to increase the current repertoire of natural CKMPs.
Fil: Cotabarren, Juliana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Ciencias Biológicas. Laboratorio de Investigación de Proteínas Vegetales; Argentina
Fil: Tellechea, Mariana Edith. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Ciencias Biológicas. Laboratorio de Investigación de Proteínas Vegetales; Argentina. Universitat Autònoma de Barcelona; España
Fil: Tanco, Sebastián Martín. Universitat Autònoma de Barcelona; España
Fil: Lorenzo Rivera, Julia. Universitat Autònoma de Barcelona; España
Fil: Garcia Pardo, Javier. Universitat Autònoma de Barcelona; España
Fil: Avilés, Francesc Xavier. Universitat Autònoma de Barcelona; España
Fil: Obregon, Walter David. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Ciencias Biológicas. Laboratorio de Investigación de Proteínas Vegetales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Materia
ANDEAN POTATOES
CARBOXYPEPTIDASE INHIBITOR
CYSTINE-KNOT MINIPROTEINS
PLANT INHIBITOR
PROTEASE
SOLANUM TUBEROSUM
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/99693
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/99693
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Biochemical and MALDI-TOF mass spectrometric characterization of a novel native and recombinant cystine knot miniprotein from Solanum tuberosum subsp. andigenum cv. ChurqueñaCotabarren, JulianaTellechea, Mariana EdithTanco, Sebastián MartínLorenzo Rivera, JuliaGarcia Pardo, JavierAvilés, Francesc XavierObregon, Walter DavidANDEAN POTATOESCARBOXYPEPTIDASE INHIBITORCYSTINE-KNOT MINIPROTEINSPLANT INHIBITORPROTEASESOLANUM TUBEROSUMhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Cystine-knot miniproteins (CKMPs) are an intriguing group of cysteine-rich molecules that combine the characteristics of proteins and peptides. Typically, CKMPs are fewer than 50 residues in length and share a characteristic knotted scaffold characterized by the presence of three intramolecular disulfide bonds that form the singular knotted structure. The knot scaffold confers on these proteins remarkable chemical, thermal, and proteolytic stability. Recently, CKMPs have emerged as a novel class of natural molecules with interesting pharmacological properties. In the present work, a novel cystine-knot metallocarboxypeptidase inhibitor (chuPCI) was isolated from tubers of Solanum tuberosum, subsp. andigenum cv. Churqueña. Our results demonstrated that chuPCI is a member of the A/B-type family of metallocarboxypeptidases inhibitors. chuPCI was expressed and characterized by a combination of biochemical and mass spectrometric techniques. Direct comparison of the MALDI-TOF mass spectra for the native and recombinant molecules allowed us to confirm the presence of four different forms of chuPCI in the tubers. The majority of such forms have a molecular weight of 4309 Da and contain a cyclized Gln in the N-terminus. The other three forms are derived from N-terminal and/or C-terminal proteolytic cleavages. Taken together, our results contribute to increase the current repertoire of natural CKMPs.Fil: Cotabarren, Juliana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Ciencias Biológicas. Laboratorio de Investigación de Proteínas Vegetales; ArgentinaFil: Tellechea, Mariana Edith. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Ciencias Biológicas. Laboratorio de Investigación de Proteínas Vegetales; Argentina. Universitat Autònoma de Barcelona; EspañaFil: Tanco, Sebastián Martín. Universitat Autònoma de Barcelona; EspañaFil: Lorenzo Rivera, Julia. Universitat Autònoma de Barcelona; EspañaFil: Garcia Pardo, Javier. Universitat Autònoma de Barcelona; EspañaFil: Avilés, Francesc Xavier. Universitat Autònoma de Barcelona; EspañaFil: Obregon, Walter David. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Ciencias Biológicas. Laboratorio de Investigación de Proteínas Vegetales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaMolecular Diversity Preservation International2018-03info: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/11336/99693Cotabarren, Juliana; Tellechea, Mariana Edith; Tanco, Sebastián Martín; Lorenzo Rivera, Julia; Garcia Pardo, Javier; et al.; Biochemical and MALDI-TOF mass spectrometric characterization of a novel native and recombinant cystine knot miniprotein from Solanum tuberosum subsp. andigenum cv. Churqueña; Molecular Diversity Preservation International; International Journal of Molecular Sciences; 19; 3; 3-20181422-0067CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.mdpi.com/1422-0067/19/3/678info:eu-repo/semantics/altIdentifier/doi/10.3390/ijms19030678info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:50:42Zoai:ri.conicet.gov.ar:11336/99693instacron: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:34982025-09-29 09:50:42.317CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Biochemical and MALDI-TOF mass spectrometric characterization of a novel native and recombinant cystine knot miniprotein from Solanum tuberosum subsp. andigenum cv. Churqueña
title Biochemical and MALDI-TOF mass spectrometric characterization of a novel native and recombinant cystine knot miniprotein from Solanum tuberosum subsp. andigenum cv. Churqueña
spellingShingle Biochemical and MALDI-TOF mass spectrometric characterization of a novel native and recombinant cystine knot miniprotein from Solanum tuberosum subsp. andigenum cv. Churqueña
Cotabarren, Juliana
ANDEAN POTATOES
CARBOXYPEPTIDASE INHIBITOR
CYSTINE-KNOT MINIPROTEINS
PLANT INHIBITOR
PROTEASE
SOLANUM TUBEROSUM
title_short Biochemical and MALDI-TOF mass spectrometric characterization of a novel native and recombinant cystine knot miniprotein from Solanum tuberosum subsp. andigenum cv. Churqueña
title_full Biochemical and MALDI-TOF mass spectrometric characterization of a novel native and recombinant cystine knot miniprotein from Solanum tuberosum subsp. andigenum cv. Churqueña
title_fullStr Biochemical and MALDI-TOF mass spectrometric characterization of a novel native and recombinant cystine knot miniprotein from Solanum tuberosum subsp. andigenum cv. Churqueña
title_full_unstemmed Biochemical and MALDI-TOF mass spectrometric characterization of a novel native and recombinant cystine knot miniprotein from Solanum tuberosum subsp. andigenum cv. Churqueña
title_sort Biochemical and MALDI-TOF mass spectrometric characterization of a novel native and recombinant cystine knot miniprotein from Solanum tuberosum subsp. andigenum cv. Churqueña
dc.creator.none.fl_str_mv Cotabarren, Juliana
Tellechea, Mariana Edith
Tanco, Sebastián Martín
Lorenzo Rivera, Julia
Garcia Pardo, Javier
Avilés, Francesc Xavier
Obregon, Walter David
author Cotabarren, Juliana
author_facet Cotabarren, Juliana
Tellechea, Mariana Edith
Tanco, Sebastián Martín
Lorenzo Rivera, Julia
Garcia Pardo, Javier
Avilés, Francesc Xavier
Obregon, Walter David
author_role author
author2 Tellechea, Mariana Edith
Tanco, Sebastián Martín
Lorenzo Rivera, Julia
Garcia Pardo, Javier
Avilés, Francesc Xavier
Obregon, Walter David
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv ANDEAN POTATOES
CARBOXYPEPTIDASE INHIBITOR
CYSTINE-KNOT MINIPROTEINS
PLANT INHIBITOR
PROTEASE
SOLANUM TUBEROSUM
topic ANDEAN POTATOES
CARBOXYPEPTIDASE INHIBITOR
CYSTINE-KNOT MINIPROTEINS
PLANT INHIBITOR
PROTEASE
SOLANUM TUBEROSUM
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Cystine-knot miniproteins (CKMPs) are an intriguing group of cysteine-rich molecules that combine the characteristics of proteins and peptides. Typically, CKMPs are fewer than 50 residues in length and share a characteristic knotted scaffold characterized by the presence of three intramolecular disulfide bonds that form the singular knotted structure. The knot scaffold confers on these proteins remarkable chemical, thermal, and proteolytic stability. Recently, CKMPs have emerged as a novel class of natural molecules with interesting pharmacological properties. In the present work, a novel cystine-knot metallocarboxypeptidase inhibitor (chuPCI) was isolated from tubers of Solanum tuberosum, subsp. andigenum cv. Churqueña. Our results demonstrated that chuPCI is a member of the A/B-type family of metallocarboxypeptidases inhibitors. chuPCI was expressed and characterized by a combination of biochemical and mass spectrometric techniques. Direct comparison of the MALDI-TOF mass spectra for the native and recombinant molecules allowed us to confirm the presence of four different forms of chuPCI in the tubers. The majority of such forms have a molecular weight of 4309 Da and contain a cyclized Gln in the N-terminus. The other three forms are derived from N-terminal and/or C-terminal proteolytic cleavages. Taken together, our results contribute to increase the current repertoire of natural CKMPs.
Fil: Cotabarren, Juliana. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Ciencias Biológicas. Laboratorio de Investigación de Proteínas Vegetales; Argentina
Fil: Tellechea, Mariana Edith. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Ciencias Biológicas. Laboratorio de Investigación de Proteínas Vegetales; Argentina. Universitat Autònoma de Barcelona; España
Fil: Tanco, Sebastián Martín. Universitat Autònoma de Barcelona; España
Fil: Lorenzo Rivera, Julia. Universitat Autònoma de Barcelona; España
Fil: Garcia Pardo, Javier. Universitat Autònoma de Barcelona; España
Fil: Avilés, Francesc Xavier. Universitat Autònoma de Barcelona; España
Fil: Obregon, Walter David. Universidad Nacional de La Plata. Facultad de Ciencias Exactas. Departamento de Ciencias Biológicas. Laboratorio de Investigación de Proteínas Vegetales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
description Cystine-knot miniproteins (CKMPs) are an intriguing group of cysteine-rich molecules that combine the characteristics of proteins and peptides. Typically, CKMPs are fewer than 50 residues in length and share a characteristic knotted scaffold characterized by the presence of three intramolecular disulfide bonds that form the singular knotted structure. The knot scaffold confers on these proteins remarkable chemical, thermal, and proteolytic stability. Recently, CKMPs have emerged as a novel class of natural molecules with interesting pharmacological properties. In the present work, a novel cystine-knot metallocarboxypeptidase inhibitor (chuPCI) was isolated from tubers of Solanum tuberosum, subsp. andigenum cv. Churqueña. Our results demonstrated that chuPCI is a member of the A/B-type family of metallocarboxypeptidases inhibitors. chuPCI was expressed and characterized by a combination of biochemical and mass spectrometric techniques. Direct comparison of the MALDI-TOF mass spectra for the native and recombinant molecules allowed us to confirm the presence of four different forms of chuPCI in the tubers. The majority of such forms have a molecular weight of 4309 Da and contain a cyclized Gln in the N-terminus. The other three forms are derived from N-terminal and/or C-terminal proteolytic cleavages. Taken together, our results contribute to increase the current repertoire of natural CKMPs.
publishDate 2018
dc.date.none.fl_str_mv 2018-03
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/11336/99693
Cotabarren, Juliana; Tellechea, Mariana Edith; Tanco, Sebastián Martín; Lorenzo Rivera, Julia; Garcia Pardo, Javier; et al.; Biochemical and MALDI-TOF mass spectrometric characterization of a novel native and recombinant cystine knot miniprotein from Solanum tuberosum subsp. andigenum cv. Churqueña; Molecular Diversity Preservation International; International Journal of Molecular Sciences; 19; 3; 3-2018
1422-0067
CONICET Digital
CONICET
url http://hdl.handle.net/11336/99693
identifier_str_mv Cotabarren, Juliana; Tellechea, Mariana Edith; Tanco, Sebastián Martín; Lorenzo Rivera, Julia; Garcia Pardo, Javier; et al.; Biochemical and MALDI-TOF mass spectrometric characterization of a novel native and recombinant cystine knot miniprotein from Solanum tuberosum subsp. andigenum cv. Churqueña; Molecular Diversity Preservation International; International Journal of Molecular Sciences; 19; 3; 3-2018
1422-0067
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.mdpi.com/1422-0067/19/3/678
info:eu-repo/semantics/altIdentifier/doi/10.3390/ijms19030678
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 Molecular Diversity Preservation International
publisher.none.fl_str_mv Molecular Diversity Preservation International
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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score 13.070432

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