19-3118944-A-T

Variant names:

• chr19-3118944-A-T
• rs1057519742
• NM_002067.5:c.626A>T

Variant summary

Our verdict is Pathogenic. The variant received 19 ACMG points: 19P and 0B. PM1 PM2 PM5 PP2 PP3_Strong PP5_Very_Strong

The NM_002067.5(GNA11):​c.626A>T​(p.Gln209Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Q209H) has been classified as Pathogenic.

• Frequency: Genomes: not found (cov: 32)
• Consequence: GNA11 NM_002067.5 missense
• Clinical Significance: Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:2 O:1
• Conservation: PhyloP100: 9.14
• Publications: 107 publications found

Genes affected

GNA11 (HGNC:4379): (G protein subunit alpha 11) The protein encoded by this gene belongs to the family of guanine nucleotide-binding proteins (G proteins), which function as modulators or transducers in various transmembrane signaling systems. G proteins are composed of 3 units: alpha, beta and gamma. This gene encodes one of the alpha subunits (subunit alpha-11). Mutations in this gene have been associated with hypocalciuric hypercalcemia type II (HHC2) and hypocalcemia dominant 2 (HYPOC2). Patients with HHC2 and HYPOC2 exhibit decreased or increased sensitivity, respectively, to changes in extracellular calcium concentrations. [provided by RefSeq, Dec 2013]

GNA11 Gene-Disease associations (from GenCC):

• autosomal dominant hypocalcemia 2

  Inheritance: AD Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, Ambry Genetics
• congenital hemangioma

  Inheritance: AD Classification: STRONG Submitted by: G2P
• familial hypocalciuric hypercalcemia 2

  Inheritance: AD Classification: STRONG, SUPPORTIVE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, Ambry Genetics, Orphanet
• autosomal dominant hypocalcemia

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

ENSG00000267139 (HGNC:):

ACMG classification

Our verdict: Pathogenic. The variant received 19 ACMG points.

• PM1: In a region_of_interest G3 motif (size 9) in uniprot entity GNA11_HUMAN there are 4 pathogenic changes around while only 0 benign (100%) in NM_002067.5
• PM2: Very rare variant in population databases, with high coverage
• PM5: Other missense variant is known to change same aminoacid residue: Variant chr19-3118945-G-T is described in ClinVar as Pathogenic. ClinVar VariationId is 3238640.Status of the report is criteria_provided_single_submitter, 1 stars.
• PP2: Missense variant in the GNA11 gene, where missense mutations are typically associated with disease (based on misZ statistic). The gene has 13 curated pathogenic missense variants (we use a threshold of 10). The gene has 1 curated benign missense variants. Gene score misZ: 3.768 (above the threshold of 3.09). Trascript score misZ: 3.8723 (above the threshold of 3.09). GenCC associations: The gene is linked to congenital hemangioma, familial hypocalciuric hypercalcemia 2, autosomal dominant hypocalcemia 2, autosomal dominant hypocalcemia.
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.992
• PP5: Variant 19-3118944-A-T is Pathogenic according to our data. Variant chr19-3118944-A-T is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 376002.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002067.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GNA11	NM_002067.5	MANE Select	c.626A>T	p.Gln209Leu	missense	Exon 5 of 7	NP_002058.2

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GNA11	ENST00000078429.9	TSL:1 MANE Select	c.626A>T	p.Gln209Leu	missense	Exon 5 of 7	ENSP00000078429.3
	GNA11	ENST00000587636.1	TSL:5	c.170A>T	p.Gln57Leu	missense	Exon 3 of 6	ENSP00000465935.1
	GNA11	ENST00000586180.1	TSL:3	n.145A>T		non_coding_transcript_exon	Exon 2 of 4

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

ClinVar

ClinVar submissions as Germline

Significance: Pathogenic/Likely pathogenic

Revision: criteria provided, multiple submitters, no conflicts

View on ClinVar

Computational scores

Other links and lift over

dbSNP: rs1057519742; hg19: chr19-3118942; COSMIC: COSV50017277; COSMIC: COSV50017277;