X-136207946-C-T

Variant names:

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_ModerateBP6_ModerateBP7BS2

The NM_001159702.3(FHL1):c.486C>T(p.Cys162Cys) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000239 in 1,211,158 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 5 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000018 ( 0 hom., 0 hem., cov: 23)

Exomes 𝑓: 0.000025 ( 0 hom. 5 hem. )

Consequence

FHL1
NM_001159702.3 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:2

Conservation

PhyloP100: 1.12

Publications

0 publications found

Variant links:

Genes affected

FHL1 (HGNC:3702): (four and a half LIM domains 1) This gene encodes a member of the four-and-a-half-LIM-only protein family. Family members contain two highly conserved, tandemly arranged, zinc finger domains with four highly conserved cysteines binding a zinc atom in each zinc finger. Expression of these family members occurs in a cell- and tissue-specific mode and these proteins are involved in many cellular processes. Mutations in this gene have been found in patients with Emery-Dreifuss muscular dystrophy. Multiple alternately spliced transcript variants which encode different protein isoforms have been described.[provided by RefSeq, Nov 2009]

FHL1 Gene-Disease associations (from GenCC):

X-linked myopathy with postural muscle atrophy
Inheritance: XL Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, G2P
myopathy, reducing body, X-linked, early-onset, severe
Inheritance: XL Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
reducing body myopathy
Inheritance: XL Classification: SUPPORTIVE Submitted by: Orphanet
X-linked Emery-Dreifuss muscular dystrophy
Inheritance: XL Classification: SUPPORTIVE Submitted by: Orphanet
X-linked scapuloperoneal muscular dystrophy
Inheritance: XL Classification: SUPPORTIVE Submitted by: Orphanet

FHL1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.45).

BP6

Variant X-136207946-C-T is Benign according to our data. Variant chrX-136207946-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 239010.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=1.12 with no splicing effect.

BS2

High Hemizygotes in GnomAdExome4 at 5 XL gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FHL1	NM_001159702.3 link	c.486C>T	p.Cys162Cys	synonymous_variant	Exon 5 of 8	ENST00000394155.8	NP_001153174.1	Q13642-2
FHL1	NM_001159699.2 link	c.534C>T	p.Cys178Cys	synonymous_variant	Exon 4 of 6	ENST00000370683.6	NP_001153171.1	Q13642-5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FHL1	ENST00000394155.8 link	c.486C>T	p.Cys162Cys	synonymous_variant	Exon 5 of 8	5	NM_001159702.3	ENSP00000377710.2		Q13642-2
FHL1	ENST00000370683.6 link	c.534C>T	p.Cys178Cys	synonymous_variant	Exon 4 of 6	1	NM_001159699.2	ENSP00000359717.1		Q13642-5

Frequencies

GnomAD3 genomes

AF:

0.0000177

AC:

AN:

113040

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000321

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:

0.0000187

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000109

AC:

AN:

183238

AF XY:

0.0000148

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000245

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000246

AC:

AN:

1098118

Hom.:

Cov.:

AF XY:

0.0000138

AC XY:

AN XY:

363474

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

26398

American (AMR)

AF:

0.00

AC:

AN:

35205

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19385

East Asian (EAS)

AF:

0.0000331

AC:

AN:

30205

South Asian (SAS)

AF:

0.0000185

AC:

AN:

54147

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40523

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4134

European-Non Finnish (NFE)

AF:

0.0000261

AC:

AN:

842030

Other (OTH)

AF:

0.0000651

AC:

AN:

46091

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.473

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000177

AC:

AN:

113040

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

35176

show subpopulations

African (AFR)

AF:

0.0000321

AC:

AN:

31144

American (AMR)

AF:

0.00

AC:

AN:

10799

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2659

East Asian (EAS)

AF:

0.00

AC:

AN:

3591

South Asian (SAS)

AF:

0.00

AC:

AN:

2766

European-Finnish (FIN)

AF:

0.00

AC:

AN:

6253

Middle Eastern (MID)

AF:

0.00

AC:

AN:

240

European-Non Finnish (NFE)

AF:

0.0000187

AC:

AN:

53381

Other (OTH)

AF:

0.00

AC:

AN:

1521

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000113

EpiCase

AF:

0.000109

EpiControl

AF:

0.00

ClinVar

Significance: Likely benign

Submissions summary: Benign:2

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

X-linked myopathy with postural muscle atrophy

Benign:1

Mar 13, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

FHL1-related disorder

Benign:1

Aug 13, 2020

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.45

CADD

Benign

8.6

(source)

DANN

Benign

0.65

PhyloP100

1.1

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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X-136207946-C-T

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