Total 10 pathogenic variants reported for Williams syndrome 
Variant Name Variant Type Variant Genomic Location Clinical Significance Phenotype Condition Review Status ClinGen Allele dbSNP ID Variation/condition record
NM_000501.4(ELN):c.647G>T (p.Gly216Val) SNV
Germline
Chr7:74047678 Conflicting classifications of pathogenicity Supravalvar aortic stenosis
Condition: not provided
Cutis laxa, autosomal dominant 1
Williams syndrome
Supravalvar aortic stenosis
Cutis laxa, autosomal dominant 1
Criteria Provided
Conflicting Classifications
CA324493 rs_145612009

6 SubmittersRCV000531891RCV000728083RCV000765972RCV001161674

NM_000501.4(ELN):c.1909G>A (p.Ala637Thr) SNV
Germline
Chr7:74063360 Conflicting classifications of pathogenicity Supravalvar aortic stenosis
Cutis laxa, autosomal dominant 1
Williams syndrome
ELN-related disorder
Criteria Provided
Conflicting Classifications
CA4293282 rs_536177240

4 SubmittersRCV000298998RCV000407993RCV001198806RCV004544697

NM_000501.4(ELN):c.1675G>A (p.Val559Ile) SNV
Germline
Chr7:74060429 Conflicting classifications of pathogenicity Supravalvar aortic stenosis
Supravalvar aortic stenosis
Cutis laxa, autosomal dominant 1
Williams syndrome
Condition: not provided
Inborn genetic diseases
ELN-related disorder
Criteria Provided
Conflicting Classifications
CA4293156 rs_560081099

5 SubmittersRCV000627827RCV000765973RCV000762455RCV002533162RCV004533301

NM_000501.4(ELN):c.1149C>A (p.Tyr383Ter) SNV
Germline
Chr7:74054768 Pathogenic/Likely pathogenic Supravalvar aortic stenosis
Supravalvar aortic stenosis
Cutis laxa, autosomal dominant 1
Williams syndrome
Criteria Provided
Multiple Submitters
No Conflicts
rs_199621188

2 SubmittersRCV001036361RCV002489542

NM_000501.4(ELN):c.35G>T (p.Gly12Val) SNV
Germline
Chr7:74028222 Conflicting classifications of pathogenicity Condition: not provided
Cutis laxa, autosomal dominant 1
Supravalvar aortic stenosis
Cutis laxa, autosomal dominant 1
Supravalvar aortic stenosis
Williams syndrome
Criteria Provided
Conflicting Classifications
rs_367634266

5 SubmittersRCV001093392RCV001158353RCV001161558RCV002505673

NM_000501.4(ELN):c.134-16T>C SNV
Germline
Chr7:74036539 Conflicting classifications of pathogenicity Williams syndrome
Supravalvar aortic stenosis
Criteria Provided
Conflicting Classifications
rs_782791376

2 SubmittersRCV001197812RCV002069286

NM_000501.4(ELN):c.1373C>A (p.Ala458Glu) SNV
Germline
Chr7:74057655 Conflicting classifications of pathogenicity Supravalvar aortic stenosis
Cutis laxa, autosomal dominant 1
Williams syndrome
Supravalvar aortic stenosis
Condition: not provided
ELN-related disorder
Criteria Provided
Conflicting Classifications
rs_149117932

4 SubmittersRCV001947909RCV002479410RCV003149006RCV004538614