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. Author manuscript; available in PMC: 2022 Aug 14.
Published in final edited form as: J Proteomics. 2020 Dec 8;232:104070. doi: 10.1016/j.jprot.2020.104070

Figure 4.

Figure 4

mslookup creates a database from MS spectra by encoding peaks, charge and precursor mass into a 32-D vector. Additionally, the tool creates a key-value database that contains the 32-D representation and the Universal Spectrum Identifier (USI). When a user queries a spectra file against the database using the mslookup search tool, the query spectra is encoded and compare against the vector database (faiss) and a list of USIs are returned with the corresponding similarity score.