Total 7 pathogenic variants reported for Spinocerebellar ataxia type 21 
Variant Name Variant Type Variant Genomic Location Clinical Significance Phenotype Condition Review Status ClinGen Allele dbSNP ID Variation/condition record
NM_001114748.2(TMEM240):c.509C>T (p.Pro170Leu) SNV
Germline
Chr1:1535372 Pathogenic/Likely pathogenic Spinocerebellar ataxia type 21
Condition: not provided
Criteria Provided
Multiple Submitters
No Conflicts
CA272844 rs_606231451

12 SubmittersRCV000148344RCV000322616

NM_001114748.2(TMEM240):c.489C>G (p.Tyr163Ter) SNV
Germline
Chr1:1535392 Pathogenic Spinocerebellar ataxia type 21 No Assertion Criteria Provided
CA272845 rs_606231452

1 SubmittersRCV000148345

NM_001114748.2(TMEM240):c.239C>T (p.Thr80Met) SNV
Germline
Chr1:1535723 Conflicting classifications of pathogenicity Spinocerebellar ataxia type 21
not specified
Condition: not provided
Criteria Provided
Conflicting Classifications
CA272848 rs_606231454

5 SubmittersRCV000148347RCV003493461RCV003546479

NM_001114748.2(TMEM240):c.511C>T (p.Arg171Trp) SNV
Germline
Chr1:1535370 Conflicting classifications of pathogenicity Spinocerebellar ataxia type 21
Neurodevelopmental disorder
Condition: not provided
Criteria Provided
Conflicting Classifications
CA272849 rs_606231455

3 SubmittersRCV000148348RCV001374896RCV002514854

NM_001114748.2(TMEM240):c.196G>A (p.Gly66Arg) SNV
Germline
Chr1:1535766 Conflicting classifications of pathogenicity Condition: not provided
Inborn genetic diseases
Spinocerebellar ataxia type 21
Criteria Provided
Conflicting Classifications
CA16042311 rs_1057518011

6 SubmittersRCV000413958RCV001267568RCV001542542

NM_001114748.2(TMEM240):c.343G>A (p.Val115Met) SNV
Germline
Chr1:1535619 Conflicting classifications of pathogenicity Spinocerebellar ataxia type 21
Inborn genetic diseases
Criteria Provided
Conflicting Classifications
CA16796850 rs_1045410944

2 SubmittersRCV000626226RCV002529783

NM_001114748.2(TMEM240):c.419T>A (p.Leu140Gln) SNV
Unknown
Chr1:1535462 Likely pathogenic Spinocerebellar ataxia type 21 Criteria Provided
Single Submitter
rs_2100695149

1 SubmittersRCV001647208