Mass spectrometry data format

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Mass spectrometry is a scientific technique for measuring the mass-to-charge ratio of ions. It is often coupled to chromatographic techniques such as gas- or liquid chromatography and has found widespread adoption in the fields of analytical chemistry and biochemistry where it can be used to identify and characterize small molecules and proteins (proteomics). The large volume of data produced in a typical mass spectrometry experiment requires that computers be used for data storage and processing. Over the years, different manufacturers of mass spectrometers have developed various proprietary data formats for handling such data which makes it difficult for academic scientists to directly manipulate their data. To address this limitation, several open, XML-based data formats have recently been developed by the Trans-Proteomic Pipeline at the Institute for Systems Biology to facilitate data manipulation and innovation in the public sector. [1] These data formats are described here.

Contents

Open formats

JCAMP-DX

This format was one of the earliest attempts to supply a standardized file format for data exchange in mass spectrometry. JCAMP-DX was initially developed for infrared spectrometry. JCAMP-DX is an ASCII based format and therefore not very compact even though it includes standards for file compression. JCAMP was officially released in 1988. [2] Together with the American Society for Mass Spectrometry a JCAMP-DX format for mass spectrometry was developed with aim to preserve legacy data. [3]

ANDI-MS or netCDF

The Analytical Data Interchange Format for Mass Spectrometry is a format for exchanging data. Many mass spectrometry software packages can read or write ANDI files. ANDI is specified in the ASTM E1947 Standard. [4] ANDI is based on netCDF which is a software tool library for writing and reading data files. ANDI was initially developed for chromatography-MS data and therefore was not used in the proteomics gold rush where new formats based on XML were developed. [5]

AnIML

AnIML is a joined effort of IUPAC and ASTM International to create an XML based standard that covers a wide variety of analytical techniques including mass spectrometry. [6]

mzData

mzData was the first attempt by the Proteomics Standards Initiative (PSI) from the Human Proteome Organization (HUPO) to create a standardized format for Mass Spectrometry data. [7] This format is now deprecated, and replaced by mzML. [8]

mzXML

mzXML is a XML (eXtensible Markup Language) based common file format for proteomics mass spectrometric data. [9] [10] This format was developed at the Seattle Proteome Center/Institute for Systems Biology while the HUPO-PSI was trying to specify the standardized mzData format, and is still in use in the proteomics community.

YAFMS

Yet Another Format for Mass Spectrometry (YAFMS) is a suggestion to save data in four table relational server-less database schema with data extraction and appending being exercised using SQL queries. [11]

mzML

As two formats (mzData and mzXML) for representing the same information is an undesirable state, a joint effort was set by HUPO-PSI, the SPC/ISB and instrument vendors to create a unified standard borrowing the best aspects of both mzData and mzXML, and intended to replace them. Originally called dataXML, it was officially announced as mzML. [12] The first specification was published in June 2008. [13] This format was officially released at the 2008 American Society for Mass Spectrometry Meeting, and is since then relatively stable with very few updates. On 1 June 2009, mzML 1.1.0 was released. There are no planned further changes as of 2013.

mzAPI

Instead of defining new file formats and writing converters for proprietary vendor formats a group of scientists proposed to define a common application program interface to shift the burden of standards compliance to the instrument manufacturers' existing data access libraries. [14]

mz5

The mz5 format addresses the performance problems of the previous XML based formats. It uses the mzML ontology, but saves the data using the HDF5 backend for reduced storage space requirements and improved read/write speed. [15]

imzML

The imzML standard was proposed to exchange data from mass spectrometry imaging in a standardized XML file based on the mzML ontology. It splits experimental data into XML and spectral data in a binary file. Both files are linked by a universally unique identifier. [16]

mzDB

mzDB saves data in an SQLite database to save on storage space and improve access times as the data points can be queried from a relational database. [17]

Toffee

Toffee is an open lossless file format for data-independent acquisition mass spectrometry. It leverages HDF5 and aims to achieve file sizes similar to those from the proprietary and closed vendor formats. [18]

mzMLb

mzMLb is another take on using a HDF5 backend for performant raw data saving. It, however, preserves the mzML XML data structure and stays compliant to the existing standard. [19]

Allotrope

The Allotrope Foundation curates a HDF5 and Triplestore based file format named Allotrope Data Format (ADF) and a flat JSON representation ASM short for Allotrope Simple Model. Both are based on the Allotrope Foundation Ontologies (AFO) and contain schemas for mass spectrometry and chromatography coupled with MS detectors. [20]

Proprietary formats

Below is a table of different file format extensions.

CompanyExtensionFile type
ACD/Labs*.spectrusImports LC/MS and GC/MS data from most major instrument vendors listed here
Agilent
Bruker		.D (folder)Agilent MassHunter, Agilent ChemStation, or Bruker BAF/YEP/TDF data format
Agilent/Bruker.YEPinstrument data format
Agilent.AEV, .ASRASCII Report format (for Analytical Studio Reviewer)
Bruker.BAFinstrument data format
Bruker.FIDinstrument data format
Bruker.TDFtimsTOF instrument data format
ABI/Sciex.WIFF, .WIFF2instrument data format
ABI/Sciex.t2d4700 and 4800 file format
ABI/Sciex.datVoyager-DE series file format
Waters.PKLMassLynx peak list format
Thermo
PerkinElmer		.RAW*Thermo Xcalibur
PerkinElmer TurboMass
Micromass**/Waters.RAW* (folder)Waters MassLynx
Chromtech
Finnigan***
VG		.DATFinnigan ITDS file format; MAT95 instrument data format
MassLab data format
Finnigan***.MSITS40 instrument data format
Shimadzu.QGDGCMSSolution format
Shimadzu.qgdinstrument data format
Shimadzu.lcdQQQ/QTOF instrument data format
Shimadzu.spclibrary data format
Bruker/Varian.SMSinstrument data format
Bruker/Varian.XMSinstrument data format
ION-TOF.itmraw measurement data
ION-TOF.itaanalysis data
Physical Electronics/ULVAC-PHI.raw*raw measurement data
Physical Electronics/ULVAC-PHI.tdcspectrum data

(*) Note that the RAW formats of each vendor are not interchangeable; software from one cannot handle the RAW files from another.
(**) Micromass was acquired by Waters in 1997
(***) Finnigan is a division of Thermo

Software

Viewers

There are several viewers for mzXML, mzML and mzData. These viewers are of two types: Free Open Source Software (FOSS) or Proprietary.

In the FOSS viewer category, one can find MZmine, [21] mineXpert2 (mzXML, mzML, native timsTOF, xy, MGF, BafAscii) [22] MS-Spectre, [23] TOPPView (mzXML, mzML and mzData), [24] Spectra Viewer, [25] SeeMS, [26] msInspect, [27] jmzML. [28]

In the proprietary category, one can find PEAKS, [29] Insilicos, [30] Mascot Distiller, [31] Elsci Peaksel. [32]

There is a viewer for ITA images. [33] ITA and ITM images can be parsed with the pySPM python library. [34]

Converters

Known converters for mzData to mzXML:

Hermes: A Java "mzData, mzXML, mzML" converter to all directions: publicly available, runs with a graphical user interface, by the Institute of Molecular Systems Biology, ETH Zurich [35] [36]
FileConverter: A command line tool that converts to/from various mass spectrometry formats, [37] part of TOPP [38]

Known converters for mzXML:

The Institute for Systems Biology maintains a list of converters [39]

Known converters for mzML:

msConvert: [40] [41] A command line tool converting to/from various mass spectrometry formats. A GUI is also available for Windows users.
ReAdW: [42] The Institute for Systems Biology command line converter for Thermo RAW files, part of the TransProteomicPipeline. [43] The latest update of this tool was made in September 2009. Users are now redirected by the TPP development team to use the msConvert software (see above).
FileConverter: A command line tool that converts to/from various mass spectrometry formats, [37] part of TOPP [38]

Converters for proprietary formats:

msConvert: [40] [41] A command line tool converting to/from various mass spectrometry formats including multiple proprietary formats. A GUI is also available for Windows users.
CompassXport, Bruker's free tool generating mzXML (and now mzData)[ citation needed ] files for many of their native file formats (.baf).
MASSTransit, a software to change data between proprietary formats, by Palisade Corporation and distributed by Scientific Instrument Services, Inc [44] and PerkinElmer. [45] Purchased from Palisade by John Wiley and Sons in 2020 and incorporated into KnowItAll Spectroscopy software.(list of file formats supported).
Aston, [46] native support for several Agilent Chemstation, Agilent Masshunter and Thermo Isodat file formats
unfinnigan, [47] native support for Finnigan (*.RAW) file formats
OpenChrom, an open source software with support to convert various native file formats including its own open .ocb format to store chromatograms, peaks and identification results [48]

Currently available converters are :

MassWolf, for Micromass MassLynx .Raw format
mzStar, for SCIEX/ABI SCIEX/ABI Analyst format
wiff2dta [49] for SCIEX/ABI SCIEX/ABI Analyst format to mzXML, DTA, MGF and PMF

See also

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dcraw

dcraw is an open-source computer program which is able to read numerous raw image format files, typically produced by mid-range and high-end digital cameras. dcraw converts these images into the standard TIFF and PPM image formats. This conversion is sometimes referred to as developing a raw image since it renders raw image sensor data into a viewable form.

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References

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  13. ↑ Deutsch E (July 2008). "mzML: a single, unifying data format for mass spectrometer output". Proteomics. 8 (14): 2776–7. doi: 10.1002/pmic.200890049 . PMID   18655045. S2CID   28297899.
  14. ↑ Askenazi M, Parikh JR, Marto JA (April 2009). "mzAPI: a new strategy for efficiently sharing mass spectrometry data". Nature Methods. 6 (4): 240–1. doi:10.1038/nmeth0409-240. PMC   2691659 . PMID   19333238.
  15. ↑ Wilhelm M, Kirchner M, Steen JA, Steen H (January 2012). "mz5: space- and time-efficient storage of mass spectrometry data sets". Molecular & Cellular Proteomics. 11 (1): O111.011379. doi: 10.1074/mcp.O111.011379 . PMC   3270111 . PMID   21960719.
  16. ↑ Schramm T, Hester Z, Klinkert I, Both JP, Heeren RM, Brunelle A, et al. (August 2012). "imzML--a common data format for the flexible exchange and processing of mass spectrometry imaging data" (PDF). Journal of Proteomics. 75 (16): 5106–5110. doi:10.1016/j.jprot.2012.07.026. PMID   22842151. S2CID   25970597.
  17. ↑ Bouyssié D, Dubois M, Nasso S, Gonzalez de Peredo A, Burlet-Schiltz O, Aebersold R, Monsarrat B (March 2015). "mzDB: a file format using multiple indexing strategies for the efficient analysis of large LC-MS/MS and SWATH-MS data sets". Molecular & Cellular Proteomics. 14 (3): 771–81. doi: 10.1074/mcp.O114.039115 . PMC   4349994 . PMID   25505153.
  18. ↑ Tully B (June 2020). "Toffee – a highly efficient, lossless file format for DIA-MS". Scientific Reports. 10 (1): 8939. Bibcode:2020NatSR..10.8939T. doi: 10.1038/s41598-020-65015-y . PMC   7265431 . PMID   32488104.
  19. ↑ Bhamber RS, Jankevics A, Deutsch EW, Jones AR, Dowsey AW (January 2021). "mzMLb: A Future-Proof Raw Mass Spectrometry Data Format Based on Standards-Compliant mzML and Optimized for Speed and Storage Requirements". Journal of Proteome Research. 20 (1): 172–183. doi:10.1021/acs.jproteome.0c00192. PMC   7871438 . PMID   32864978.
  20. ↑ Rauh, David; Blankenburg, Claudia; Fischer, Tillmann G.; Jung, Nicole; Kuhn, Stefan; Schatzschneider, Ulrich; Schulze, Tobias; Neumann, Steffen (27 June 2022). "Data format standards in analytical chemistry". Pure and Applied Chemistry. 94 (6): 725–736. doi:10.1515/pac-2021-3101.
  21. ↑ "MZmine website".
  22. ↑ "mineXpert2 website".
  23. ↑ "MS-Spectre website". Ms-spectre.sourceforge.net. Retrieved 29 November 2011.
  24. ↑ "OpenMS and TOPP website". Open-ms.sourceforge.net. Retrieved 29 November 2011.
  25. ↑ "An open source viewer developed under academic projects". Staff.icar.cnr.it. Retrieved 29 November 2011.
  26. ↑ "An open source viewer developed by Matt Chambers at Vanderbilt". Proteowizard.sourceforge.net. Retrieved 29 November 2011.
  27. ↑ "An open source viewer developed by at the Fred Hutchinson Cancer Center". Proteomics.fhcrc.org. Retrieved 29 November 2011.
  28. ↑ "jmzML" . Retrieved 29 November 2011.
  29. ↑ "BSI: PEAKS website". Bioinfor.com. Retrieved 29 November 2011.
  30. ↑ "Insilicos website". Archived from the original on 20 December 2014. Retrieved 28 March 2020.
  31. ↑ Matrix Science Limited. "Commercial software with free viewer mode for mzXML and many proprietary formats". Matrixscience.com. Retrieved 29 November 2011.
  32. ↑ "Peaksel - software to read and process proprietary and open HPLC formats".
  33. ↑ "ITAviewer online".
    "ITAviewer source". GitHub . 9 November 2017.
  34. ↑ "pySPM website". GitHub . 17 June 2022.
  35. ↑ Hermes Archived 3 March 2016 at the Wayback Machine
  36. ↑ "Hermes website". Icecoffee.ch. Retrieved 29 November 2011.
  37. 1 2 "FileConverter". Open-ms.sourceforge.net. Retrieved 29 November 2011.
  38. 1 2 TOPP Archived 15 April 2008 at the Wayback Machine
  39. ↑ "mzXML" . Retrieved 30 June 2008.
  40. 1 2 "msconvert". ProteoWizard. Retrieved 20 April 2013.
  41. 1 2 "ProteoWizard" . Retrieved 20 April 2013.
  42. ↑ "ReAdW". Tools.proteomecenter.org. Retrieved 29 November 2011.
  43. ↑ "TransProteomicPipeline". Tools.proteomecenter.org. 25 May 2011. Retrieved 29 November 2011.
  44. ↑ MASSTransit by Palisade Archived 9 May 2008 at the Wayback Machine
  45. ↑ "Gas Chromatography (GC)". PerkinElmer. Retrieved 29 November 2011.
  46. ↑ aston – Open source chromatography and mass spectrometry software – Google Project Hosting
  47. ↑ unfinnigan – Painless extraction of mass spectra from Thermo "raw" files – Google Project Hosting
  48. ↑ Dąbrowski Ł (7 August 2015). "Review of free data processing software for chromatography". Mediterranean Journal of Chemistry. 4 (4): 193–200. doi: 10.13171/mjc.4.4.2015.15.09.16.35/dabrowski .
  49. ↑ wiff2dta at sourceforge
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