Article (Scientific journals)
Kendrick Mass Defect Approach Combined to NORINE Database for Molecular Formula Assignment of Nonribosomal Peptides
Chevalier, M.; Ricart, E.; Hanozin, Emeline et al.
2019In Journal of the American Society for Mass Spectrometry, 30 (12), p. 2608-2616
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Keywords :
Kendrick map; Mass defect; Molecular formula; Nonribosomal peptides; NORINE; Defects; Mass spectrometry; Molecular mass; Peptides; Database contents; High resolution mass spectrometry; Identification process; Molecular formulae; Nonribosomal peptide; Database systems
Abstract :
[en] The identification of known (dereplication) or unknown nonribosomal peptides (NRPs) produced by microorganisms is a time consuming, expensive, and challenging task where mass spectrometry and nuclear magnetic resonance play a key role. The first step of the identification process always involves the establishment of a molecular formula. Unfortunately, the number of potential molecular formulae increases significantly with higher molecular masses and the lower precision of their measurements. In the present article, we demonstrate that molecular formula assignment can be achieved by a combined approach using the regular Kendrick mass defect (RKMD) and NORINE, the reference curated database of NRPs. We observed that irrespective of the molecular formula, the addition and subtraction of a given atom or atom group always leads to the same RKMD variation and nominal Kendrick mass (NKM). Graphically, these variations translated into a vector mesh can be used to connect an unknown molecule to a known NRP of the NORINE database and establish its molecular formula. We explain and illustrate this concept through the high-resolution mass spectrometry analysis of a commercially available mixture composed of four surfactins. The Kendrick approach enriched with the NORINE database content is a fast, useful, and easy-to-use tool for molecular mass assignment of known and unknown NRP structures. [Figure not available: see fulltext.]. © 2019, American Society for Mass Spectrometry.
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Chevalier, M.;  Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d’Opale, EA 7394-Institut Charles Viollette (ICV), Lille, F-59000, France
Ricart, E.;  Proteome informatics Group, SIB Swiss Institute of Bioinformatics (SIB), and Computer Science Department, University of Geneva, Geneva, Switzerland
Hanozin, Emeline ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie analytique inorganique
Pupin, M.;  Univ. Lille, CNRS, Centrale Lille, UMR 9189 - CRIStAL - Centre de Recherche en Informatique Signal et Automatique de Lille, Lille, F-59000, France, Inria-Lille Nord Europe, Bonsai team, Villeneuve d’Ascq Cedex, F-59655, France
Jacques, Philippe ;  Université de Liège - ULiège > Département GxABT > Microbial, food and biobased technologies
Smargiasso, Nicolas ;  Mass Spectrometry Laboratory, Molecular Systems - MolSys Research Unit, University of Liège, Liège, Belgium
De Pauw, Edwin  ;  Université de Liège - ULiège > Département de chimie (sciences) > Chimie analytique inorganique
Lisacek, F.;  Proteome informatics Group, SIB Swiss Institute of Bioinformatics (SIB), and Computer Science Department, University of Geneva, Geneva, Switzerland
Leclère, V.;  Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d’Opale, EA 7394-Institut Charles Viollette (ICV), Lille, F-59000, France
Flahaut, C.;  Univ. Lille, INRA, ISA, Univ. Artois, Univ. Littoral Côte d’Opale, EA 7394-Institut Charles Viollette (ICV), Lille, F-59000, France
Language :
English
Title :
Kendrick Mass Defect Approach Combined to NORINE Database for Molecular Formula Assignment of Nonribosomal Peptides
Publication date :
2019
Journal title :
Journal of the American Society for Mass Spectrometry
ISSN :
1044-0305
eISSN :
1879-1123
Publisher :
Springer
Volume :
30
Issue :
12
Pages :
2608-2616
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
MESRI - Ministère de l’Enseignement supérieur, de la Recherche et de l’Innovation [FR]
MEAE - The Ministry of Economic Affairs and Employment
EU - European Commission
SNI - Swiss Nanoscience Institute
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