The 10 known BRICHOS domain-containing proteins in humans have been linked to an unusually long list of pathologies, including cancer, obesity and two amyloid-like diseases. BRICHOS domains themselves have been described as intramolecular chaperones that act to prevent amyloid-like aggregation of their proteins' mature polypeptides. Using structural comparison of coevolution-based AlphaFold models and sequence conservation, we identified the Out at First (OAF) protein as a new member of the BRICHOS family in humans. OAF is an experimentally uncharacterized protein that has been proposed as a candidate biomarker for clinical management of coronavirus disease 2019 infections. Our analysis revealed how structural comparison of AlphaFold models can discover remote homology relationships and lead to a better understanding of BRICHOS domain molecular mechanism. Supplementary data are available at Bioinformatics Advances online. © The Author(s) 2022. Published by Oxford University Press.
Citation
Luis Sanchez-Pulido, Chris P Ponting. OAF: a new member of the BRICHOS family. Bioinformatics advances. 2022;2(1):vbac087
PMID: 36699367
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