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m replicate references were removed to streamline the content and a reference was added from Nature Methods to incorporate the METLIN MRM feature.
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The '''METLIN Metabolite and Chemical Entity Database'''<ref name=":3" /><ref name=":0">{{cite journal | vauthors = Smith CA, O'Maille G, Want EJ, Qin C, Trauger SA, Brandon TR, Custodio DE, Abagyan R, Siuzdak G | display-authors = 6 | title = METLIN: a metabolite mass spectral database | journal = Therapeutic Drug Monitoring | volume = 27 | issue = 6 | pages = 747–51 | date = December 2005 | pmid = 16404815 | doi = 10.1097/01.ftd.0000179845.53213.39 | s2cid = 14774455 }}</ref><ref name=":1">{{cite journal | vauthors = Guijas C, Montenegro-Burke JR, Domingo-Almenara X, Palermo A, Warth B, Hermann G, Koellensperger G, Huan T, Uritboonthai W, Aisporna AE, Wolan DW, Spilker ME, Benton HP, Siuzdak G | display-authors = 6 | title = METLIN: A Technology Platform for Identifying Knowns and Unknowns | journal = Analytical Chemistry | volume = 90 | issue = 5 | pages = 3156–3164 | date = March 2018 | pmid = 29381867 | pmc = 5933435 | doi = 10.1021/acs.analchem.7b04424 }}</ref> is the largest repository of experimental [[tandem mass spectrometry]] data acquired from standards. The tandem mass spectrometry data on over 850,000 molecular standards ({{As of|2020|08|24|lc=on}})<ref name=":3">{{cite journal | vauthors = Xue J, Guijas C, Benton HP, Warth B, Siuzdak G | title = 2 molecular standards database: a broad chemical and biological resource | journal = Nature Methods | pages = 1–2 | date = August 2020 | pmid = 32839599 | doi = 10.1038/s41592-020-0942-5 }}</ref> is provided to facilitate the identification of chemical entities from tandem mass spectrometry experiments. In addition to the identification of known molecules it is also useful for identifying unknowns<ref name=":1" /> using its similarity searching technology.<ref>{{cite journal | vauthors = Benton HP, Wong DM, Trauger SA, Siuzdak G | title = XCMS2: processing tandem mass spectrometry data for metabolite identification and structural characterization | journal = Analytical Chemistry | volume = 80 | issue = 16 | pages = 6382–9 | date = August 2008 | pmid = 18627180 | pmc = 2728033 | doi = 10.1021/ac800795f }}</ref> All tandem mass spectrometry data comes from the experimental analysis of standards at multiple collision energies and in both positive and negative ionization modes.
The '''METLIN Metabolite and Chemical Entity Database'''<ref name=":3" /><ref name=":0">{{cite journal | vauthors = Smith CA, O'Maille G, Want EJ, Qin C, Trauger SA, Brandon TR, Custodio DE, Abagyan R, Siuzdak G | display-authors = 6 | title = METLIN: a metabolite mass spectral database | journal = Therapeutic Drug Monitoring | volume = 27 | issue = 6 | pages = 747–51 | date = December 2005 | pmid = 16404815 | doi = 10.1097/01.ftd.0000179845.53213.39 | s2cid = 14774455 }}</ref><ref name=":1">{{cite journal | vauthors = Guijas C, Montenegro-Burke JR, Domingo-Almenara X, Palermo A, Warth B, Hermann G, Koellensperger G, Huan T, Uritboonthai W, Aisporna AE, Wolan DW, Spilker ME, Benton HP, Siuzdak G | display-authors = 6 | title = METLIN: A Technology Platform for Identifying Knowns and Unknowns | journal = Analytical Chemistry | volume = 90 | issue = 5 | pages = 3156–3164 | date = March 2018 | pmid = 29381867 | pmc = 5933435 | doi = 10.1021/acs.analchem.7b04424 }}</ref> is the largest repository of experimental [[tandem mass spectrometry]] data acquired from standards. The tandem mass spectrometry data on over 850,000 molecular standards ({{As of|2020|08|24|lc=on}})<ref name=":3">{{cite journal | vauthors = Xue J, Guijas C, Benton HP, Warth B, Siuzdak G | title = 2 molecular standards database: a broad chemical and biological resource | journal = Nature Methods | pages = 1–2 | date = August 2020 | pmid = 32839599 | doi = 10.1038/s41592-020-0942-5 }}</ref> is provided to facilitate the identification of chemical entities from tandem mass spectrometry experiments. In addition to the identification of known molecules it is also useful for identifying unknowns<ref name=":1" /> using its similarity searching technology.<ref name=":2">{{cite journal | vauthors = Benton HP, Wong DM, Trauger SA, Siuzdak G | title = XCMS2: processing tandem mass spectrometry data for metabolite identification and structural characterization | journal = Analytical Chemistry | volume = 80 | issue = 16 | pages = 6382–9 | date = August 2008 | pmid = 18627180 | pmc = 2728033 | doi = 10.1021/ac800795f }}</ref> All tandem mass spectrometry data comes from the experimental analysis of standards at multiple collision energies and in both positive and negative ionization modes.


METLIN<ref name=":4">{{cite journal | vauthors = Tautenhahn R, Cho K, Uritboonthai W, Zhu Z, Patti GJ, Siuzdak G | title = An accelerated workflow for untargeted metabolomics using the METLIN database | journal = Nature Biotechnology | volume = 30 | issue = 9 | pages = 826–8 | date = September 2012 | pmid = 22965049 | pmc = 3666346 | doi = 10.1038/nbt.2348 | authorlink6 = Gary Siuzdak }}</ref> serves as a data management system to assist in metabolite and chemical entity identification by providing public access to its repository of comprehensive MS/MS metabolite data.<ref>{{cite journal | vauthors = Guijas C, Montenegro-Burke JR, Domingo-Almenara X, Palermo A, Warth B, Hermann G, Koellensperger G, Huan T, Uritboonthai W, Aisporna AE, Wolan DW, Spilker ME, Benton HP, Siuzdak G | display-authors = 6 | title = METLIN: A Technology Platform for Identifying Knowns and Unknowns | journal = Analytical Chemistry | volume = 90 | issue = 5 | pages = 3156–3164 | date = March 2018 | pmid = 29381867 | pmc = 5933435 | doi = 10.1021/acs.analchem.7b04424 }}</ref> METLIN's annotated list of molecular standards include metabolites and other chemical entities, searching METLIN can be done based on a molecule's tandem mass spectrometry data, mass, chemical formula, and structure within the METLIN website. Each molecule is linked to outside resources such as the ''Kyoto Encyclopedia of Genes and Genomes'' ([[KEGG]]) for further reference and inquiry. The METLIN database was developed and is maintained solely by the Siuzdak laboratory at [[The Scripps Research Institute]].
METLIN<ref name=":4">{{cite journal | vauthors = Tautenhahn R, Cho K, Uritboonthai W, Zhu Z, Patti GJ, Siuzdak G | title = An accelerated workflow for untargeted metabolomics using the METLIN database | journal = Nature Biotechnology | volume = 30 | issue = 9 | pages = 826–8 | date = September 2012 | pmid = 22965049 | pmc = 3666346 | doi = 10.1038/nbt.2348 | authorlink6 = Gary Siuzdak }}</ref> serves as a data management system to assist in metabolite and chemical entity identification by providing public access to its repository of comprehensive MS/MS metabolite data.<ref name=":3" /><ref name=":1" /> METLIN's annotated list of molecular standards include metabolites and other chemical entities, searching METLIN can be done based on a molecule's tandem mass spectrometry data, mass, chemical formula, and structure within the METLIN website. Each molecule is linked to outside resources such as the ''Kyoto Encyclopedia of Genes and Genomes'' ([[KEGG]]) for further reference and inquiry. The METLIN database was developed and is maintained solely by the Siuzdak laboratory at [[The Scripps Research Institute]].


==Constantly Evolving==
==Constantly Evolving==
Since its initial implementation in the early 2000s,<ref name=":0" /> the freely available METLIN website has collected comments and suggestions for improvements from users in the biotechnology, pharmaceutical and academic communities ultimately resulting in functionally useful technology for metabolomics as well as hundreds of thousands of other molecular entities.<ref name=":3" /> The METLIN interface allows researchers to readily search the database and characterize metabolites and other compounds through features such as accurate mass, single and multiple fragment searching, neutral loss and full spectrum search capabilities. The similarity searching feature introduced in 2008<ref name=":2">{{cite journal | vauthors = Benton HP, Wong DM, Trauger SA, Siuzdak G | title = XCMS2: processing tandem mass spectrometry data for metabolite identification and structural characterization | journal = Analytical Chemistry | volume = 80 | issue = 16 | pages = 6382–9 | date = August 2008 | pmid = 18627180 | pmc = 2728033 | doi = 10.1021/ac800795f }}</ref> was designed to expedite the identification process of unknown molecules.
Since its initial implementation in the early 2000s,<ref name=":0" /> the freely available METLIN website has collected comments and suggestions for improvements from users in the biotechnology, pharmaceutical and academic communities ultimately resulting in functionally useful technology for metabolomics as well as hundreds of thousands of other molecular entities.<ref name=":3" /> The METLIN interface allows researchers to readily search the database and characterize metabolites and other compounds through features such as accurate mass, single and multiple fragment searching, neutral loss and full spectrum search capabilities. The similarity searching feature introduced in 2008<ref name=":2" /> was designed to expedite the identification process of unknown molecules.

METLIN has also been used to create a novel multiple reaction monitoring (MRM) library of precursor to fragment ion transitions.<ref name=":5">{{Cite journal|last=Domingo-Almenara|first=Xavier|last2=Montenegro-Burke|first2=J. Rafael|last3=Ivanisevic|first3=Julijana|last4=Thomas|first4=Aurelien|last5=Sidibé|first5=Jonathan|last6=Teav|first6=Tony|last7=Guijas|first7=Carlos|last8=Aisporna|first8=Aries E.|last9=Rinehart|first9=Duane|last10=Hoang|first10=Linh|last11=Nordström|first11=Anders|date=2018-09|title=XCMS-MRM and METLIN-MRM: a cloud library and public resource for targeted analysis of small molecules|url=https://www.nature.com/articles/s41592-018-0110-3|journal=Nature Methods|language=en|volume=15|issue=9|pages=681–684|doi=10.1038/s41592-018-0110-3|issn=1548-7105}}</ref> The METLIN-MRM transition repository for small-molecule quantitative tandem mass spectrometry was designed to facilitate data sharing across different instruments and laboratories.<ref name=":5" />


The METLIN database is implemented in the cloud to enable users throughout the world.<ref name=":3" /><ref name=":4" /> In addition to expanding the tandem mass spectrometry database, METLIN is designed to search tandem mass spectrometry data, precursor mass, chemical formulas, compound names among other search capabilities. The tandem MS high-resolution ESI-QTOF MS/MS data on now over 850,000 distinct chemical entities, includes mass spectral collision-induced dissociation data at four different collision energies, in both positive and negative ionization modes.<ref name=":3" />
The METLIN database is implemented in the cloud to enable users throughout the world.<ref name=":3" /><ref name=":4" /> In addition to expanding the tandem mass spectrometry database, METLIN is designed to search tandem mass spectrometry data, precursor mass, chemical formulas, compound names among other search capabilities. The tandem MS high-resolution ESI-QTOF MS/MS data on now over 850,000 distinct chemical entities, includes mass spectral collision-induced dissociation data at four different collision energies, in both positive and negative ionization modes.<ref name=":3" />

Revision as of 17:25, 9 October 2020

METLIN Database
Content
Descriptionrepository of chemical entity information as well as tandem mass spectrometry data
Contact
Research centerThe Scripps Research Institute
LaboratorySiuzdak laboratory at The Scripps Research Institute
Release date2005
Access
Websitemetlin.scripps.edu

The METLIN Metabolite and Chemical Entity Database[1][2][3] is the largest repository of experimental tandem mass spectrometry data acquired from standards. The tandem mass spectrometry data on over 850,000 molecular standards (as of 24 August 2020)[1] is provided to facilitate the identification of chemical entities from tandem mass spectrometry experiments. In addition to the identification of known molecules it is also useful for identifying unknowns[3] using its similarity searching technology.[4] All tandem mass spectrometry data comes from the experimental analysis of standards at multiple collision energies and in both positive and negative ionization modes.

METLIN[5] serves as a data management system to assist in metabolite and chemical entity identification by providing public access to its repository of comprehensive MS/MS metabolite data.[1][3] METLIN's annotated list of molecular standards include metabolites and other chemical entities, searching METLIN can be done based on a molecule's tandem mass spectrometry data, mass, chemical formula, and structure within the METLIN website. Each molecule is linked to outside resources such as the Kyoto Encyclopedia of Genes and Genomes (KEGG) for further reference and inquiry. The METLIN database was developed and is maintained solely by the Siuzdak laboratory at The Scripps Research Institute.

Constantly Evolving

Since its initial implementation in the early 2000s,[2] the freely available METLIN website has collected comments and suggestions for improvements from users in the biotechnology, pharmaceutical and academic communities ultimately resulting in functionally useful technology for metabolomics as well as hundreds of thousands of other molecular entities.[1] The METLIN interface allows researchers to readily search the database and characterize metabolites and other compounds through features such as accurate mass, single and multiple fragment searching, neutral loss and full spectrum search capabilities. The similarity searching feature introduced in 2008[4] was designed to expedite the identification process of unknown molecules.

METLIN has also been used to create a novel multiple reaction monitoring (MRM) library of precursor to fragment ion transitions.[6] The METLIN-MRM transition repository for small-molecule quantitative tandem mass spectrometry was designed to facilitate data sharing across different instruments and laboratories.[6]

The METLIN database is implemented in the cloud to enable users throughout the world.[1][5] In addition to expanding the tandem mass spectrometry database, METLIN is designed to search tandem mass spectrometry data, precursor mass, chemical formulas, compound names among other search capabilities. The tandem MS high-resolution ESI-QTOF MS/MS data on now over 850,000 distinct chemical entities, includes mass spectral collision-induced dissociation data at four different collision energies, in both positive and negative ionization modes.[1]

References

  1. ^ a b c d e f Xue J, Guijas C, Benton HP, Warth B, Siuzdak G (August 2020). "2 molecular standards database: a broad chemical and biological resource". Nature Methods: 1–2. doi:10.1038/s41592-020-0942-5. PMID 32839599.
  2. ^ a b Smith CA, O'Maille G, Want EJ, Qin C, Trauger SA, Brandon TR, et al. (December 2005). "METLIN: a metabolite mass spectral database". Therapeutic Drug Monitoring. 27 (6): 747–51. doi:10.1097/01.ftd.0000179845.53213.39. PMID 16404815. S2CID 14774455.
  3. ^ a b c Guijas C, Montenegro-Burke JR, Domingo-Almenara X, Palermo A, Warth B, Hermann G, et al. (March 2018). "METLIN: A Technology Platform for Identifying Knowns and Unknowns". Analytical Chemistry. 90 (5): 3156–3164. doi:10.1021/acs.analchem.7b04424. PMC 5933435. PMID 29381867.
  4. ^ a b Benton HP, Wong DM, Trauger SA, Siuzdak G (August 2008). "XCMS2: processing tandem mass spectrometry data for metabolite identification and structural characterization". Analytical Chemistry. 80 (16): 6382–9. doi:10.1021/ac800795f. PMC 2728033. PMID 18627180.
  5. ^ a b Tautenhahn R, Cho K, Uritboonthai W, Zhu Z, Patti GJ, Siuzdak G (September 2012). "An accelerated workflow for untargeted metabolomics using the METLIN database". Nature Biotechnology. 30 (9): 826–8. doi:10.1038/nbt.2348. PMC 3666346. PMID 22965049.
  6. ^ a b Domingo-Almenara, Xavier; Montenegro-Burke, J. Rafael; Ivanisevic, Julijana; Thomas, Aurelien; Sidibé, Jonathan; Teav, Tony; Guijas, Carlos; Aisporna, Aries E.; Rinehart, Duane; Hoang, Linh; Nordström, Anders (2018-09). "XCMS-MRM and METLIN-MRM: a cloud library and public resource for targeted analysis of small molecules". Nature Methods. 15 (9): 681–684. doi:10.1038/s41592-018-0110-3. ISSN 1548-7105. {{cite journal}}: Check date values in: |date= (help)
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