8-96160568-C-G

Variant names:

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_ModerateBP6_ModerateBS2

The NM_001001557.4(GDF6):c.125G>C(p.Gly42Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000496 in 1,613,674 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G42V) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000054 ( 0 hom. )

Consequence

GDF6
NM_001001557.4 missense

Scores

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.51

Publications

5 publications found

Variant links:

Genes affected

GDF6 (HGNC:4221): (growth differentiation factor 6) 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 is required for normal formation of some bones and joints in the limbs, skull, and axial skeleton. Mutations in this gene are associated with Klippel-Feil syndrome, microphthalmia, and Leber congenital amaurosis. [provided by RefSeq, Sep 2016]

GDF6 Gene-Disease associations (from GenCC):

Klippel-Feil syndrome 1, autosomal dominant
Inheritance: AD Classification: DEFINITIVE, LIMITED Submitted by: G2P, Labcorp Genetics (formerly Invitae)
microphthalmia
Inheritance: AD Classification: DEFINITIVE Submitted by: G2P
multiple synostoses syndrome 4
Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
isolated Klippel-Feil syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
Leber congenital amaurosis
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
isolated microphthalmia 4
Inheritance: AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)
Leber congenital amaurosis 17
Inheritance: Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

GDF6 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.09245649).

BP6

Variant 8-96160568-C-G is Benign according to our data. Variant chr8-96160568-C-G is described in ClinVar as Benign. ClinVar VariationId is 1512357.Status of the report is criteria_provided_single_submitter, 1 stars.

BS2

High AC in GnomAdExome4 at 79 AD,Unknown gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GDF6	NM_001001557.4 link	c.125G>C	p.Gly42Ala	missense_variant	Exon 1 of 2	ENST00000287020.7	NP_001001557.1	Q6KF10A0A0S2A5D6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GDF6	ENST00000287020.7 link	c.125G>C	p.Gly42Ala	missense_variant	Exon 1 of 2	1	NM_001001557.4	ENSP00000287020.4		Q6KF10

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152214

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000282

AC:

AN:

248438

AF XY:

0.0000222

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000290

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000448

Gnomad OTH exome

AF:

0.000164

GnomAD4 exome

AF:

0.0000541

AC:

AN:

1461346

Hom.:

Cov.:

AF XY:

0.0000605

AC XY:

AN XY:

727014

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33464

American (AMR)

AF:

0.0000224

AC:

AN:

44714

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26110

East Asian (EAS)

AF:

0.00

AC:

AN:

39688

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53280

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000684

AC:

AN:

1111698

Other (OTH)

AF:

0.0000331

AC:

AN:

60368

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.490

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:

0.00000656

AC:

AN:

152328

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74482

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41588

American (AMR)

AF:

0.00

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5164

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

292

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68022

Other (OTH)

AF:

0.00

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000189

ExAC

AF:

0.0000412

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Klippel-Feil syndrome 1, autosomal dominant;C2751307:Isolated microphthalmia 4;C3150968:Microphthalmia, isolated, with coloboma 6;C3715164:Leber congenital amaurosis 17

Benign:1

Jul 08, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.091

BayesDel_addAF

Benign

-0.13

BayesDel_noAF

Benign

-0.32

CADD

Benign

(source)

DANN

Benign

0.95

DEOGEN2

Benign

0.42

T;T;T

Eigen

Benign

-0.55

Eigen_PC

Benign

-0.48

FATHMM_MKL

Uncertain

0.80

LIST_S2

Benign

0.76

T;T;T

M_CAP

Uncertain

0.18

MetaRNN

Benign

0.092

T;T;T

MetaSVM

Benign

-0.83

MutationAssessor

Benign

0.34

N;.;.

PhyloP100

1.5

PrimateAI

Uncertain

0.53

PROVEAN

Benign

-1.4

N;.;.

REVEL

Benign

0.14

Sift

Uncertain

0.017

D;.;.

Sift4G

Benign

0.21

T;D;D

Polyphen

0.48

P;.;.

Vest4

0.13

MutPred

0.20

Gain of helix (P = 0.0117);Gain of helix (P = 0.0117);Gain of helix (P = 0.0117);

MVP

0.59

MPC

0.88

ClinPred

0.041

GERP RS

0.89

PromoterAI

0.051

Neutral

(source)

Varity_R

0.13

gMVP

0.36

Mutation Taster

=51/49

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over