The DOI matches its Crossref record; 53 of the 53 references it cites were found in a registry or an index.
The origins of asymmetry in the folding transition states of protein L and protein G
Open accessAbstract
Topology has been shown to be an important determinant of many features of protein folding; however, the delineation of sequence effects on folding remains obscure. Furthermore, differentiation between the two influences proves difficult due to their intimate relationship. To investigate the effect of sequence in the absence of significant topological differences, we examined the folding mechanisms of segment B1 peptostreptococcal protein L and segment B1 of streptococcal protein G. These proteins share the same highly symmetrical topology. Despite this symmetry, neither protein folds through a symmetrical transition state. We analyzed the origins of this difference using theoretical models. We found that the strength of the interactions present in the N‐terminal hairpin of protein L causes this hairpin to form ahead of the C‐terminal hairpin. The difference in chain entropy associated with the formation of the hairpins of protein G proves sufficient to beget initiation of folding at the shorter C‐terminal hairpin. Our findings suggest that the mechanism of folding may be understood by examination of the free energy associated with the formation of partially folded microstates.
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Metadata
- Authors
- Karanicolas, J., & Brooks, C. L.
- Venue
- Protein Science
- Publisher
- Wiley
- Published
- 2002-10
- Volume
- 11
- Issue
- 10
- Pages
- 2351-2361
- ISSN
- 0961-8368 (ISSN-L)
- 1469-896X
- OpenAlex
- W2115005877
- Cited by
- 384
- References
- 53
- FWCI
- 4.64
- Type
- journal article
- Language
- en
- Open access
- bronze
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