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@ARTICLE{Putko:276783,
author = {Putko, Paulina and Romero, Javier Agustin and Pantoja,
Christian F and Zweckstetter, Markus and Kazimierczuk,
Krzysztof and Zawadzka-Kazimierczuk, Anna},
title = {{U}sing temperature coefficients to support resonance
assignment of intrinsically disordered proteins.},
journal = {Journal of biomolecular NMR},
volume = {79},
number = {1},
issn = {0925-2738},
address = {Dordrecht [u.a.]},
publisher = {Springer Science + Business Media B.V},
reportid = {DZNE-2025-00320},
pages = {59 - 65},
year = {2025},
abstract = {The resonance assignment of large intrinsically disordered
proteins (IDPs) is difficult due to the low dispersion of
chemical shifts (CSs). Luckily, CSs are often specific for
certain residue types, which makes the task easier. Our
recent work showed that the CS-based spin-system
classification can be improved by applying a linear
discriminant analysis (LDA). In this paper, we extend a set
of classification parameters by adding temperature
coefficients (TCs), i.e., rates of change of chemical shifts
with temperature. As demonstrated previously by other
groups, the TCs in IDPs depend on a residue type, although
the relation is often too complex to be predicted
theoretically. Thus, we propose an approach based on
experimental data; CSs and TCs values of residues assigned
using conventional methods serve as a training set for LDA,
which then classifies the remaining resonances. The method
is demonstrated on a large fragment (1-239) of highly
disordered protein Tau. We noticed that adding TCs to sets
of chemical shifts significantly improves the recognition
efficiency. For example, it allows distinguishing between
lysine and glutamic acid, as well as valine and isoleucine
residues based on H N , N, C α and C ' data. Moreover,
adding TCs to CSs of H N , N, C α , and C ' is more
beneficial than adding C β CSs. Our program for LDA
analysis is available at
https://github.com/gugumatz/LDA-Temp-Coeff .},
keywords = {Intrinsically Disordered Proteins: chemistry / Nuclear
Magnetic Resonance, Biomolecular: methods / Temperature /
Discriminant Analysis / Intrinsically disordered proteins
(Other) / Tau protein (Other) / Temperature coefficients
(Other) / Intrinsically Disordered Proteins (NLM Chemicals)},
cin = {AG Zweckstetter},
ddc = {570},
cid = {I:(DE-2719)1410001},
pnm = {352 - Disease Mechanisms (POF4-352)},
pid = {G:(DE-HGF)POF4-352},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:39643821},
doi = {10.1007/s10858-024-00452-9},
url = {https://pub.dzne.de/record/276783},
}