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1.
Adv Protein Chem Struct Biol ; 127: 217-248, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34340768

RESUMO

Protein structure characterization is fundamental to understand protein properties, such as folding process and protein resistance to thermal stress, up to unveiling organism pathologies (e.g., prion disease). In this chapter, we provide an overview on how the spectral properties of the networks reconstructed from the Protein Contact Map (PCM) can be used to generate informative observables. As a specific case study, we apply two different network approaches to an example protein dataset, for the aim of discriminating protein folding state, and for the reconstruction of protein 3D structure.


Assuntos
Bases de Dados de Proteínas , Dobramento de Proteína , Mapas de Interação de Proteínas , Proteínas/química , Proteínas/metabolismo , Animais , Humanos , Domínios Proteicos , Estabilidade Proteica
2.
Biochim Biophys Acta Gene Regul Mech ; 1863(6): 194415, 2020 06.
Artigo em Inglês | MEDLINE | ID: mdl-31672524

RESUMO

Genome organization in eukaryotes during interphase stems from the delicate balance between non-random correlations present in the DNA polynucleotide linear sequence and the physico/chemical reactions which shape continuously the form and structure of DNA and chromatin inside the nucleus of the cell. It is now clear that these mechanisms have a key role in important processes like gene regulation, yet the detailed ways they act simultaneously and, eventually, come to influence each other even across very different length-scales remain largely unexplored. In this paper, we recapitulate some of the main results concerning gene regulatory and physical mechanisms, in relation to the information encoded in the 1D sequence and the 3D folding structure of DNA. In particular, we stress how reciprocal crossfeeding between 1D and 3D models may provide original insight into how these complex processes work and influence each other. This article is part of a Special Issue entitled: Transcriptional Profiles and Regulatory Gene Networks edited by Dr. Dr. Federico Manuel Giorgi and Dr. Shaun Mahony.


Assuntos
Cromossomos , Genômica/métodos , Modelos Genéticos , Sequência de Bases , Cromatina/química , DNA/química , Eucariotos/genética
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