rs104893959

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PP3_StrongPP5_Moderate

The NM_004752.4(GCM2):​c.140G>T​(p.Arg47Leu) variant causes a missense change. The variant allele was found at a frequency of 0.000013 in 1,461,800 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.000013 ( 0 hom. )

Consequence

GCM2
NM_004752.4 missense

Scores

9
9
1

Clinical Significance

Pathogenic criteria provided, single submitter P:2

Conservation

PhyloP100: 3.75
Variant links:
Genes affected
GCM2 (HGNC:4198): (glial cells missing transcription factor 2) This gene is a homolog of the Drosophila glial cells missing gene, which is thought to act as a binary switch between neuronal and glial cell determination. The protein encoded by this gene contains a conserved N-terminal GCM motif that has DNA-binding activity. The protein is a transcription factor that acts as a master regulator of parathyroid development. It has been suggested that this transcription factor might mediate the effect of calcium on parathyroid hormone expression and secretion in parathyroid cells. Mutations in this gene are associated with hypoparathyroidism. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.989
PP5
Variant 6-10877343-C-A is Pathogenic according to our data. Variant chr6-10877343-C-A is described in ClinVar as [Pathogenic]. Clinvar id is 6091.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
GCM2NM_004752.4 linkc.140G>T p.Arg47Leu missense_variant Exon 2 of 5 ENST00000379491.5 NP_004743.1 O75603

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
GCM2ENST00000379491.5 linkc.140G>T p.Arg47Leu missense_variant Exon 2 of 5 1 NM_004752.4 ENSP00000368805.4 O75603
ENSG00000272162ENST00000480294.1 linkn.101-14170C>A intron_variant Intron 3 of 18 2 ENSP00000417929.1 F8WBI7

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.0000199
AC:
5
AN:
251446
Hom.:
0
AF XY:
0.0000294
AC XY:
4
AN XY:
135900
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 SAS exome
AF:
0.000163
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000130
AC:
19
AN:
1461800
Hom.:
0
Cov.:
32
AF XY:
0.0000193
AC XY:
14
AN XY:
727196
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000220
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Alfa
AF:
0.0000221
Hom.:
0
Bravo
AF:
0.00000378
ExAC
AF:
0.0000247
AC:
3

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:2
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Pathogenic:1
Jun 11, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Pathogenic
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This sequence change replaces arginine, which is basic and polar, with leucine, which is neutral and non-polar, at codon 47 of the GCM2 protein (p.Arg47Leu). This variant is present in population databases (rs104893959, gnomAD 0.02%). This missense change has been observed in individual(s) with autosomal recessive hypoparathyroidism (PMID: 15863676). It has also been observed to segregate with disease in related individuals. ClinVar contains an entry for this variant (Variation ID: 6091). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt GCM2 protein function with a positive predictive value of 80%. This variant disrupts the p.Arg47 amino acid residue in GCM2. Other variant(s) that disrupt this residue have been determined to be pathogenic (PMID: 31671402; Invitae). This suggests that this residue is clinically significant, and that variants that disrupt this residue are likely to be disease-causing. For these reasons, this variant has been classified as Pathogenic. -

Hypoparathyroidism, familial isolated, 2 Pathogenic:1
May 15, 2010
OMIM
Significance: Pathogenic
Review Status: no assertion criteria provided
Collection Method: literature only

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.87
BayesDel_addAF
Pathogenic
0.16
D
BayesDel_noAF
Pathogenic
0.26
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.74
D
Eigen
Pathogenic
0.72
Eigen_PC
Pathogenic
0.68
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.96
D
M_CAP
Uncertain
0.16
D
MetaRNN
Pathogenic
0.99
D
MetaSVM
Uncertain
0.17
D
MutationAssessor
Uncertain
2.6
M
PrimateAI
Uncertain
0.62
T
PROVEAN
Pathogenic
-5.6
D
REVEL
Pathogenic
0.76
Sift
Uncertain
0.0010
D
Sift4G
Uncertain
0.0060
D
Polyphen
1.0
D
Vest4
0.93
MutPred
0.93
Loss of MoRF binding (P = 0.0582);
MVP
0.93
MPC
0.88
ClinPred
0.91
D
GERP RS
5.7
Varity_R
0.73
gMVP
0.82

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.10
Details are displayed if max score is > 0.2

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

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs104893959; hg19: chr6-10877576; API