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Proteins Structure Models in the Evaluation of Novel Variant (C.472_477del) in the MOSC2 Gene.


ABSTRACT: (1) Background: Molybdenum cofactor deficiency type B (MOCODB, #252160) is a rare autosomal recessive metabolic disorder characterized by intractable seizures of neonatal-onset, muscular spasticity, accompanying with hypouricemia, elevated urinary sulfite levels and craniofacial dysmorphism. Thirty-five patients were reported to date. (2) Methods: Our paper aimed to delineate the disease genotype by presenting another patient, in whom a novel, in-frame variant within the MOCS2 gene was identified. (3) Results: Exome sequencing led to the identification of a novel variant in the MOSC2 gene-c.472_477del of unknown significance (VUS). (4) Conclusions: To prove the clinical significance of the mentioned variant, analysis of the possible mutation consequences on molecular level with the use of the available crystal structure of the human molybdopterin synthase complex was of great importance. Moreover, a potential pathomechanism resulting from a molecular defect was presented, giving original insight into the current knowledge on this rare disease, including treatment options.

SUBMITTER: Jezela-Stanek A 

PROVIDER: S-EPMC7602273 | BioStudies | 2020-01-01

REPOSITORIES: biostudies

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