rs773442562

Variant names:

Variant summary

Our verdict is Likely pathogenic. The variant received 9 ACMG points: 9P and 0B. PM4_SupportingPP5_Very_Strong

The NM_053274.3(GLMN):c.1179_1181delCAA(p.Asn393del) variant causes a disruptive inframe deletion change. The variant allele was found at a frequency of 0.0000305 in 1,572,774 control chromosomes in the GnomAD database, with no homozygous occurrence. There is a variant allele frequency bias in the population database for this variant (GnomAdExome4), which may indicate mosaicism or somatic mutations in the reference population data. Variant has been reported in ClinVar as Likely pathogenic (★★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000032 ( 0 hom. )

Consequence

GLMN
NM_053274.3 disruptive_inframe_deletion

Scores

Not classified

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:7

Conservation

PhyloP100: 5.35

Publications

0 publications found

Variant links:

Genes affected

GLMN (HGNC:14373): (glomulin, FKBP associated protein) This gene encodes a phosphorylated protein that is a member of a Skp1-Cullin-F-box-like complex. The protein is essential for normal development of the vasculature and mutations in this gene have been associated with glomuvenous malformations, also called glomangiomas. Multiple splice variants encoding different isoforms have been found for this gene. [provided by RefSeq, Feb 2016]

GLMN Gene-Disease associations (from GenCC):

glomuvenous malformation
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), G2P

GLMN links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 9 ACMG points.

PM4

Nonframeshift variant in NON repetitive region in NM_053274.3. Strenght limited to Supporting due to length of the change: 1aa.

PP5

Variant 1-92266451-CTTG-C is Pathogenic according to our data. Variant chr1-92266451-CTTG-C is described in ClinVar as [Likely_pathogenic]. Clinvar id is 7807.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GLMN	NM_053274.3 link	c.1179_1181delCAA	p.Asn393del	disruptive_inframe_deletion	Exon 13 of 19	ENST00000370360.8	NP_444504.1	Q92990-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
GLMN	ENST00000370360.8 link	c.1179_1181delCAA	p.Asn393del	disruptive_inframe_deletion	Exon 13 of 19	1	NM_053274.3	ENSP00000359385.3	Q92990-1
GLMN	ENST00000495106.5 link	n.1179_1181delCAA		non_coding_transcript_exon_variant	Exon 13 of 18	1		ENSP00000436829.1	Q92990-2
GLMN	ENST00000495852.6 link	c.402_404delCAA	p.Asn134del	disruptive_inframe_deletion	Exon 5 of 10	5		ENSP00000469157.2	M0QXG8
GLMN	ENST00000463560.1 link	c.561+86_561+88delCAA		intron_variant	Intron 7 of 8	5		ENSP00000468973.1	M0QX84

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152138

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:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000281

AC:

AN:

249236

AF XY:

0.0000223

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:

0.0000620

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000324

AC:

AN:

1420636

Hom.:

AF XY:

0.0000310

AC XY:

AN XY:

709346

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

32664

American (AMR)

AF:

0.00

AC:

AN:

44508

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25742

East Asian (EAS)

AF:

0.00

AC:

AN:

39390

South Asian (SAS)

AF:

0.00

AC:

AN:

85290

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53284

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5598

European-Non Finnish (NFE)

AF:

0.0000428

AC:

AN:

1075246

Other (OTH)

AF:

0.00

AC:

AN:

58914

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.385

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152138

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74308

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41438

American (AMR)

AF:

0.00

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5198

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10600

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68016

Other (OTH)

AF:

0.00

AC:

AN:

2088

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ClinVar

Significance: Pathogenic/Likely pathogenic

Submissions summary: Pathogenic:7

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Glomuvenous malformation

Pathogenic:3

Mar 14, 2025

Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

PP1_Str, PS4_M, PM4_su, PP3_su -

Apr 01, 2002

OMIM

Significance:Pathogenic

Review Status:no assertion criteria provided

Collection Method:literature only

- -

May 18, 2022

Fulgent Genetics, Fulgent Genetics

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not provided

Pathogenic:2

Aug 04, 2025

GeneDx

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

In-frame deletion of 1 amino acid in a non-repeat region; In silico analysis supports a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 23375657, 23801931, 22748924, 39789873, 11845407) -

Jul 09, 2024

Mayo Clinic Laboratories, Mayo Clinic

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

PP1_strong, PP4, PM4, PS4_moderate -

not specified

Pathogenic:1

Sep 05, 2016

ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories

Significance:Pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

GLMN-related disorder

Pathogenic:1

Apr 19, 2024

PreventionGenetics, part of Exact Sciences

Significance:Likely pathogenic

Review Status:no assertion criteria provided

Collection Method:clinical testing

The GLMN c.1179_1181delCAA variant is predicted to result in an in-frame deletion (p.Asn393del). This variant has been reported in multiple individuals with glomuvenous malformations (GVMs) and is one of the common pathogenic variants associated with GVMs (Brouillard et al 2002. PubMed ID: 11845407; Brouillard et al 2013. PubMed: 23801931). This in-frame deletion variant has been stated as an atypical glomulin variant because majority of GVM pathogenic variants results in premature truncation of protein and RT-PCR study did not reveal aberrant splicing due to this variant (Brouillard et al 2005. PubMed: 15689436). This variant is reported in 0.0062% of alleles in individuals of European (Non-Finnish) descent in gnomAD. This variant is interpreted as likely pathogenic. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

5.3

Mutation Taster

=54/46

disease causing (ClinVar)

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.19

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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rs773442562

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