A: The variant NC_000019.10:g.48982325CGGC[1] in gene GYS1 is classified as 'Likely_pathogenic' for Glycogen_storage_disease. Molecular consequence: SO:0001589: frameshift_variant,SO:0001619: non-coding_transcript_variant. Variant type: Microsatellite. Disease database links: MONDO:MONDO:0002412,MedGen:C0017919,OMIM:PS232200,Orphanet:79201. Review status: criteria provided, single submitter.