A: The variant NC_000020.11:g.2659803G>A in gene IDH3B is classified as 'Conflicting_classifications_of_pathogenicity' for not_provided|IDH3B-related_disorder|Retinitis_pigmentosa|Retinal_dystrophy. Molecular consequence: SO:0001627: intron_variant. Variant type: single_nucleotide_variant. Disease database links: MedGen:C3661900|.|Human_Phenotype_Ontology:HP:0000547,MONDO:MONDO:0019200,MeSH:D012174,MedGen:C0035334,OMIM:268000,OMIM:PS268000,Orphanet:791|Human_Phenotype_Ontology:HP:0000556,Human_Phenotype_Ontology:HP:0007736,Human_Phenotype_Ontology:HP:0007910,Human_Phenotype_Ontology:HP:0007974,Human_Phenotype_Ontology:HP:0007982,MONDO:MONDO:0019118,MeSH:D058499,MedGen:C0854723,Orphanet:71862. Review status: criteria provided, conflicting classifications.