Perfecting prediction of mutational impact on the aggregation propensity of the ALS-associated hnRNPA2 prion-like protein.
An increasing number of human proteins are being found to bear a prion-like domain (PrLD) driving the formation of membraneless compartments through liquid-liquid phase separation. Point mutations in these PrLDs promote the transition to an amyloid-like state. There has been much debate on whether t...
| Autores: | , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2017 |
| País: | España |
| Institución: | Fundació Sant Joan de Déu |
| Repositorio: | r-FSJD. Repositorio Institucional de Producción Científica de la Fundació Sant Joan de Déu |
| OAI Identifier: | oai:fsjd.fundanetsuite.com:p18912 |
| Acceso en línea: | https://fsjd.fundanetsuite.com/Publicaciones/ProdCientif/PublicacionFrw.aspx?id=18912 |
| Access Level: | acceso abierto |
| Palabra clave: | *amyloid *prion-like proteins *protein aggregation |
| Sumario: | An increasing number of human proteins are being found to bear a prion-like domain (PrLD) driving the formation of membraneless compartments through liquid-liquid phase separation. Point mutations in these PrLDs promote the transition to an amyloid-like state. There has been much debate on whether this aberrant aggregation is caused by compositional or sequential changes. A recent extensive mutational study of the ALS-associated prion-like hnRNPA2 protein provides a framework to discriminate the molecular determinants behind pathogenic PrLDs aggregation. The effect of mutations on the aggregation propensity of hnRNPA2 is best predicted by combining their impact on PrLD amino acid composition and sequence-based amyloid propensity. This opens an avenue for the prediction of disease causing mutations in other human prion-like proteins. |
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