Genetic Variant GDF11:p.Ala36_Ala39del (chr12-55743400-CGCGGCGGCGGCG-C) – ACMG Classification: Likely_benign (-5 pts)

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP3BS2

The NM_005811.5(GDF11):c.105_116delGGCGGCGGCGGC(p.Ala36_Ala39del) variant causes a disruptive inframe deletion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000896 in 992,860 control chromosomes in the GnomAD database, with no homozygous occurrence. It is difficult to determine the true allele frequency of this variant because it is of type DEL_BIG, and the frequency of such variant types in population databases may be underestimated and unreliable. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000089 ( 0 hom., cov: 30)

Exomes 𝑓: 0.000090 ( 0 hom. )

Consequence

GDF11
NM_005811.5 disruptive_inframe_deletion

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.25

Publications

0 publications found

Variant links:

Genes affected

GDF11 (HGNC:4216): (growth differentiation factor 11) This gene encodes a secreted ligand of the TGF-beta (transforming growth factor-beta) superfamily of proteins. Ligands of this family bind various TGF-beta receptors leading to recruitment and activation of SMAD family transcription factors that regulate gene expression. The encoded preproprotein is proteolytically processed to generate each subunit of the disulfide-linked homodimer. This protein plays a role in the development of the nervous and other organ systems, and may regulate aging. [provided by RefSeq, Aug 2016]

GDF11 Gene-Disease associations (from GenCC):

vertebral hypersegmentation and orofacial anomalies
Inheritance: Unknown, AD Classification: STRONG, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), G2P

GDF11 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP3

Nonframeshift variant in repetitive region in NM_005811.5

BS2

High AC in GnomAd4 at 13 Unknown,AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005811.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GDF11	NM_005811.5	MANE Select	c.105_116delGGCGGCGGCGGC	p.Ala36_Ala39del	disruptive_inframe_deletion	Exon 1 of 3	NP_005802.1	O95390

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GDF11	ENST00000257868.10	TSL:1 MANE Select	c.105_116delGGCGGCGGCGGC	p.Ala36_Ala39del	disruptive_inframe_deletion	Exon 1 of 3	ENSP00000257868.5	O95390
	GDF11	ENST00000546799.1	TSL:1	c.21_32delGGCGGCGGCGGC	p.Ala8_Ala11del	disruptive_inframe_deletion	Exon 1 of 4	ENSP00000448390.1	H0YI30

Frequencies

GnomAD3 genomes

AF:

0.0000893

AC:

AN:

145654

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000739

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000679

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000795

Gnomad SAS

AF:

0.000209

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000610

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000897

AC:

AN:

847106

Hom.:

AF XY:

0.000102

AC XY:

AN XY:

393724

show subpopulations

African (AFR)

AF:

0.000313

AC:

AN:

15978

American (AMR)

AF:

0.000707

AC:

AN:

1414

Ashkenazi Jewish (ASJ)

AF:

0.000185

AC:

AN:

5408

East Asian (EAS)

AF:

0.000732

AC:

AN:

4100

South Asian (SAS)

AF:

0.000345

AC:

AN:

17416

European-Finnish (FIN)

AF:

0.00

AC:

AN:

1290

Middle Eastern (MID)

AF:

0.00119

AC:

AN:

1684

European-Non Finnish (NFE)

AF:

0.0000739

AC:

AN:

771826

Other (OTH)

AF:

0.0000357

AC:

AN:

27990

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.562

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000892

AC:

AN:

145754

Hom.:

Cov.:

AF XY:

0.000127

AC XY:

AN XY:

70870

show subpopulations

African (AFR)

AF:

0.0000737

AC:

AN:

40696

American (AMR)

AF:

0.0000678

AC:

AN:

14742

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3384

East Asian (EAS)

AF:

0.000797

AC:

AN:

5018

South Asian (SAS)

AF:

0.000210

AC:

AN:

4768

European-Finnish (FIN)

AF:

0.00

AC:

AN:

8316

Middle Eastern (MID)

AF:

0.00

AC:

AN:

290

European-Non Finnish (NFE)

AF:

0.0000610

AC:

AN:

65598

Other (OTH)

AF:

0.00

AC:

AN:

2036

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.467

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

PhyloP100

2.3

Mutation Taster

=186/14

polymorphism

(source)

Splicing

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

Publications

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12-55743400-CGCGGCGGCGGCGGCGGCGGCGGCG-CGCGGCGGCGGCG

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over