AlphaFold2 as a replacement for solution NMR structure determination of small proteins: Not so fast!
J Magn Reson
; 364: 107725, 2024 Jul.
Article
em En
| MEDLINE
| ID: mdl-38917639
ABSTRACT
The determination of a protein's structure is often a first step towards the development of a mechanistic understanding of its function. Considerable advances in computational protein structure prediction have been made in recent years, with AlphaFold2 (AF2) emerging as the primary tool used by researchers for this purpose. While AF2 generally predicts accurate structures of folded proteins, we present here a case where AF2 incorrectly predicts the structure of a small, folded and compact protein with high confidence. This protein, pro-interleukin-18 (pro-IL-18), is the precursor of the cytokine IL-18. Interestingly, the structure of pro-IL-18 predicted by AF2 matches that of the mature cytokine, and not the corresponding experimentally determined structure of the pro-form of the protein. Thus, while computational structure prediction holds immense promise for addressing problems in protein biophysics, there is still a need for experimental structure determination, even in the context of small well-folded, globular proteins.
Palavras-chave
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Dobramento de Proteína
/
Ressonância Magnética Nuclear Biomolecular
Idioma:
En
Revista:
J Magn Reson
Assunto da revista:
DIAGNOSTICO POR IMAGEM
Ano de publicação:
2024
Tipo de documento:
Article