7-5527695-CGCAAGTTAGGTTTTGTCAAGAAAGGGTGTAACGCAACTAAGTCATAGTCCGCCTAGAAGCATTTGCGGTGGACGATGGAGGGGCCGGACTCGTCATACTCCTGCTTGCTGATCCACATCTGCTGGAAGGTGGACAGCGAGGCCAGGATGGAGCCGCCGATCCACACGGAGTACTTGCGCTCAGGAGGAGCAATGATCTGAGGAGGGAAGGGGACAGGCAGTGAGGACCCTGGATGTGACAGCTCCCCACACACCACAGGACCCCACAGCCGACCTGCCCAGGTCAGCTCAGGCAGGAAAGACACCCACCTTGATCTTCATTGTGCTGGGTGCCAGGGCAGTGATCTCCTTCTGCATCCTGTCG-C

Variant names:

• chr7-5527695-CGCAAGTTAGGTTTTGTCAAGAAAGGGTGTAACGCAACTAAGTCATAGTCCGCCTAGAAGCATTTGCGGTGGACGATGGAGGGGCCGGACTCGTCATACTCCTGCTTGCTGATCCACATCTGCTGGAAGGTGGACAGCGAGGCCAGGATGGAGCCGCCGATCCACACGGAGTACTTGCGCTCAGGAGGAGCAATGATCTGAGGAGGGAAGGGGACAGGCAGTGAGGACCCTGGATGTGACAGCTCCCCACACACCACAGGACCCCACAGCCGACCTGCCCAGGTCAGCTCAGGCAGGAAAGACACCCACCTTGATCTTCATTGTGCTGGGTGCCAGGGCAGTGATCTCCTTCTGCATCCTGTCG-C
• NM_001101.5:c.930_*52del

Variant summary

Our verdict is Pathogenic. Variant got 12 ACMG points: 12P and 0B. PVS1 PM2 PP5_Moderate

The NM_001101.5(ACTB):​c.930_*52del​(p.Ala310fs) variant causes a frameshift, stop lost change. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Likely pathogenic (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: ACTB NM_001101.5 frameshift, stop_lost
• Clinical Significance: Likely pathogenic criteria provided, single submitter P:1
• Conservation: PhyloP100: 6.68

Genes affected

ACTB (HGNC:132): (actin beta) This gene encodes one of six different actin proteins. Actins are highly conserved proteins that are involved in cell motility, structure, integrity, and intercellular signaling. The encoded protein is a major constituent of the contractile apparatus and one of the two nonmuscle cytoskeletal actins that are ubiquitously expressed. Mutations in this gene cause Baraitser-Winter syndrome 1, which is characterized by intellectual disability with a distinctive facial appearance in human patients. Numerous pseudogenes of this gene have been identified throughout the human genome. [provided by RefSeq, Aug 2017]

ACMG classification

Verdict is Pathogenic. Variant got 12 ACMG points.

• PVS1: Stoplost variant. No alternative stopcodon identified downstream, so we assume a Nonstop Mediated Decay. LoF is a known mechanism of disease.
• PM2: Very rare variant in population databases, with high coverage
• PP5: Variant 7-5527695-CGCAAGTTAGGTTTTGTCAAGAAAGGGTGTAACGCAACTAAGTCATAGTCCGCCTAGAAGCATTTGCGGTGGACGATGGAGGGGCCGGACTCGTCATACTCCTGCTTGCTGATCCACATCTGCTGGAAGGTGGACAGCGAGGCCAGGATGGAGCCGCCGATCCACACGGAGTACTTGCGCTCAGGAGGAGCAATGATCTGAGGAGGGAAGGGGACAGGCAGTGAGGACCCTGGATGTGACAGCTCCCCACACACCACAGGACCCCACAGCCGACCTGCCCAGGTCAGCTCAGGCAGGAAAGACACCCACCTTGATCTTCATTGTGCTGGGTGCCAGGGCAGTGATCTCCTTCTGCATCCTGTCG-C is Pathogenic according to our data. Variant chr7-5527695-CGCAAGTTAGGTTTTGTCAAGAAAGGGTGTAACGCAACTAAGTCATAGTCCGCCTAGAAGCATTTGCGGTGGACGATGGAGGGGCCGGACTCGTCATACTCCTGCTTGCTGATCCACATCTGCTGGAAGGTGGACAGCGAGGCCAGGATGGAGCCGCCGATCCACACGGAGTACTTGCGCTCAGGAGGAGCAATGATCTGAGGAGGGAAGGGGACAGGCAGTGAGGACCCTGGATGTGACAGCTCCCCACACACCACAGGACCCCACAGCCGACCTGCCCAGGTCAGCTCAGGCAGGAAAGACACCCACCTTGATCTTCATTGTGCTGGGTGCCAGGGCAGTGATCTCCTTCTGCATCCTGTCG-C is described in ClinVar as [Likely_pathogenic]. Clinvar id is 987424.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ACTB	NM_001101.5	c.930_*52del	p.Ala310fs	frameshift_variant, stop_lost	Exon 6 of 6	ENST00000646664.1	NP_001092.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ACTB	ENST00000646664.1	c.930_*52del	p.Ala310fs	frameshift_variant, stop_lost	Exon 5 of 6		NM_001101.5	ENSP00000494750.1

Frequencies

GnomAD3 genomes Cov.: 32

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome Cov.: 32

ClinVar

Significance: Likely pathogenic

Submissions summary: Pathogenic:1

Revision: criteria provided, single submitter

Submissions by phenotype

not provided Pathogenic:1

Oct 23, 2020

Institute of Medical Genetics and Applied Genomics, University Hospital Tübingen

Significance: Likely pathogenic

Review Status: criteria provided, single submitter

Collection Method: clinical testing

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Computational scores

Source: dbNSFP v4.3

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr7-5567326;