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Hxms: A Standardized File Format For Hx-ms Data.

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Hxms: A Standardized File Format For Hx-ms Data.

Related Experiment Video

A Hydrogen-Deuterium Exchange Mass Spectrometry HDX-MS Platform for Investigating Peptide Biosynthetic Enzymes

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Published on: May 4, 2020

HXMS: a standardized file format for HX-MS data.

Kyle C Weber¹, Chenlin Lu¹, Roberto Vera Alvarez²

¹Department of Biochemistry and Molecular Biophysics, Columbia University, New York, NY 10032, United States.

Bioinformatics (Oxford, England)

|March 10, 2026

View abstract on PubMed

Summary

This summary is machine-generated.

A new file format, HXMS, and a Python package, PFLink, standardize hydrogen/deuterium exchange-mass spectrometry (HX-MS) data. This enables more quantitative analysis and data sharing for protein conformational studies.

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Area of Science:

Biochemistry
Structural Biology
Computational Biology

Background:

Hydrogen/deuterium exchange-mass spectrometry (HX-MS) is crucial for studying protein conformational ensembles.
Current HX-MS data analysis is inconsistent due to diverse software and non-standardized formats.
Existing formats often use mean deuteration, losing valuable isotopic information.

Purpose of the Study:

To introduce a unified, scalable, and human-readable file format (HXMS) for HX-MS data.
To develop a Python package (PFLink) for converting existing HX-MS data to the new format.
To enhance quantitative analysis, data sharing, and future applications like machine learning in HX-MS.

Main Methods:

Developed the HXMS file format, inspired by protein structure and genomics standards.

Created PFLink, a Python package to convert data from common HX-MS software to HXMS.

Ensured HXMS preserves isotopic mass envelopes, time-course data, and experimental details.

Main Results:

The HXMS format supports full isotopic envelopes, time-course data, PTMs, and replicates.
PFLink facilitates seamless conversion of data from various HX-MS software.
The combined tools enable higher-resolution quantitative analysis and improved data management.

Conclusions:

The HXMS format and PFLink package address critical standardization needs in HX-MS.
These tools will advance quantitative analysis, data sharing, and computational approaches in the field.
Promotes broader adoption and further development of HX-MS techniques.