Formats:pepXML

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pepXML Is a open data format developed at the SPC/Institute for Systems biology for the storage, exchange, and processing of peptide sequence assignments of MS/MS scans. pepXML is intended to provide a common data output format for many different MS/MS search engines and subsequent peptide-level analyses. Several search engines already have native support for outputting pepXML and converters are available to transform output files to pepXML.

Search-Engine to pepXML converters

Sequest: Out2XML

Mascot: Mascot2XML

X!Tandem: Tandem2XML

PepXML Specification

The latest version of the format is version 1.14.

See Also

mzIdentML: XML standard for MS, MS-MS, MSn or tag searches under development by the HUPO Proteomics Standards Initiative.

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