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Impairment of the Na\n                    <jats:sub>v<\/jats:sub>\n                    1.2 function is associated with neurodevelopmental disorders such as Developmental and Epileptic Encephalopathy, Self-limited Neonatal\/Infantile Seizures, and Autism Spectrum Disorder. In this study, we used orthologous sequence comparisons, as well as disease associated variants to analyze their location in the structure of Na\n                    <jats:sub>v<\/jats:sub>\n                    1.2, with the aim of understanding the impact of genetic variants in the structure of this protein at an evolutionary and clinical level. Our analyses reveal different spatial distribution of interspecific variation where different residues locate preferentially in the first cytoplasmic linker, while disease-associated variants tend to cluster in the voltage-sensing segments of the protein domains. Altogether, these discoveries point to structurally important segments in the Na\n                    <jats:sub>v<\/jats:sub>\n                    1.2 structure that have been conserved through evolution due to their role in maintaining the function of the channel.\n                  <\/jats:p>","DOI":"10.1007\/s10528-026-11327-z","type":"journal-article","created":{"date-parts":[[2026,2,3]],"date-time":"2026-02-03T06:50:50Z","timestamp":1770101450000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Voltage-Gated Sodium Channel NaV1.2: Structural Perspective of the Genetic Variability"],"prefix":"10.1007","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3366-1038","authenticated-orcid":false,"given":"Tom\u00e1s","family":"Oliveira-Madureira","sequence":"first","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0936-4719","authenticated-orcid":false,"given":"B\u00e1rbara","family":"Leal","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3157-7342","authenticated-orcid":false,"given":"Lu\u00edsa","family":"Azevedo","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2026,2,3]]},"reference":[{"issue":"W1","key":"11327_CR1","doi-asserted-by":"publisher","first-page":"W344","DOI":"10.1093\/nar\/gkw408","volume":"44","author":"H Ashkenazy","year":"2016","unstructured":"Ashkenazy H, Abadi S, Martz E, Chay O, Mayrose I, Pupko T, Ben-Tal N (2016) ConSurf 2016: an improved methodology to estimate and visualize evolutionary conservation in macromolecules. 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