mzspeclib

mzspeclib provides a Python reference implementation for the mzSpecLib spectral library format to encode and standardize spectral-library metadata for mass spectrometry under the Human Proteome Organization Proteomics Standards Initiative (PSI).

Key Features:

• Standardized Format: Encodes spectral libraries using the mzSpecLib standardized format for interoperable mass spectrometry spectral-library representation.
• Flexible Metadata Encoding: Implements a data model that encodes metadata for library entries using the PSI-MS controlled vocabulary.
• Serialization Formats: Supports multiple serialization formats to enable conversion between different data representations.
• Compatibility with Other Standards: Maintains compatibility with ProForma 2.0 and the Universal Spectrum Identifier (USI).
• Fragment Ion Peak Annotations: Includes support for a standardized data model for fragment ion peak annotations via mzPAF to be used alongside mzSpecLib.

Scientific Applications:

• Proteomics: Encoding peptide spectra and spectral libraries for proteomics analyses.
• Small-molecule support: Provides basic support for small-molecule spectral entries.
• Nonpeptidic analytes: Can be extended to encode spectral libraries for nonpeptidic analytes and other mass spectrometry applications.

Methodology:

Provides a Python reference implementation with a data model that encodes metadata using the PSI-MS controlled vocabulary, supports multiple serialization formats, and includes a standardized mzPAF data model for fragment ion peak annotations.