Correction to: Nature Communications https://doi.org/10.1038/s41467-021-23713-9, published online 7 June 2021.
In the original version of this Article, Fig. 5 was incorrectly referenced in place for Fig. 4 on three occasions in the Results subsection “Prosit rescoring questions the prevalence of proteasomal splicing of peptides”. The second sentence of the third paragraph reads “Fig. 5c shows an example where the spliced peptide proposed in the original study using Mascot (top panel, splice position indicated by the pipe symbol) and the canonical peptide proposed by rescored MaxQuant and rescored MSFragger (bottom panel) only differ by the isobaric amino acid combination of GVA and NL in the 3 C-terminal amino acids (Levenshtein distance of 3)”; it should read “Fig. 4c shows an example where the spliced peptide proposed in the original study using Mascot (top panel, splice position indicated by the pipe symbol) and the canonical peptide proposed by rescored MaxQuant and rescored MSFragger (bottom panel) only differ by the isobaric amino acid combination of GVA and NL in the 3 C-terminal amino acids (Levenshtein distance of 3)”. The first sentence in the fourth paragraph reads “In total, the re-analysis indicates that 1067 of the 1230 (87%) proposed spliced peptides are not conclusively supported by the mass spectrometry data (Fig. 5d)”; it should read “In total, the re-analysis indicates that 1067 of the 1230 (87%) proposed spliced peptides are not conclusively supported by the mass spectrometry data (Fig. 4d)”. The second sentence in the fourth paragraph reads “This is because either (i) they did not remain confident when using the Prosit-based rescoring pipeline (rejecting 596 spliced peptides, 48%), or (ii) the spliced and canonical peptides are I/L isomers (90 spliced peptides, 7%) that cannot be distinguished by mass spectrometry or (iii) a more confident canonical PSM was identified by MaxQuant and/or MSFragger (315 spliced peptides, 26%), or (iv) the proposed spliced peptide did not have a substantially better percolator score supporting its identification over a canonical peptide (66 peptides, 5%; also see the example in Fig. 5c, Supplementary Fig. S14, and Supplementary Notes)”; this should read “This is because either (i) they did not remain confident when using the Prosit-based rescoring pipeline (rejecting 596 spliced peptides, 48%), or (ii) the spliced and canonical peptides are I/L isomers (90 spliced peptides, 7%) that cannot be distinguished by mass spectrometry or (iii) a more confident canonical PSM was identified by MaxQuant and/or MSFragger (315 spliced peptides, 26%), or (iv) the proposed spliced peptide did not have a substantially better percolator score supporting its identification over a canonical peptide (66 peptides, 5%; also see the example in Fig. 4c, Supplementary Fig. S14, and Supplementary Notes)”.
This has been corrected in both the HTML and PDF versions of the Article.
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Correction to: Nature Communications https://doi.org/10.1038/s41467-021-23713-9, published online 7 June 2021.
In the original version of this Article, Fig. 5 was incorrectly referenced in place for Fig. 4 on three occasions in the Results subsection “Prosit rescoring questions the prevalence of proteasomal splicing of peptides”. The second sentence of the third paragraph reads “Fig. 5c shows an example where the spliced peptide proposed in the original study using Mascot (top panel, splice pos...
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