Abstract
MFSD1 (Major facilitator superfamily domain containing 1) protein is a lysosomal multiple transmembrane-spanning protein responsible for the active transport of various compounds. Due to its potential role in maintaining liver homeostasis, any mutation might lead to altered protein expression, thus affecting the functionality. In this study, we explored the impact of deleterious nsSNPs (Nonsynonymous single nucleotide polymorphisms) on the stability, conformation, and functionality of the MFSD1 protein. SNP data and MFSD1 protein sequences were retrieved from NCBI dbSNP and Uniprot respectively. In total, five highly conserved nsSNPs were predicted to be deleterious based on their negative impact on the stability of the protein. Furthermore, the simulation analysis on the 3D structures of both native and mutant proteins revealed a notable impact on the physiological conformation of the protein. The identified variants not only affect the native conformation but also impact the association of MFSD1 with GLMP (Glycosylated Lysosomal Membrane Protein). In conclusion, the analysis revealed that the mutant protein's structural stability was inferior to that of the native protein. This research provides crucial insights for identifying and assessing MFSD1 mutations as potential diagnostic markers for liver-related diseases.
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