2-26310844-C-T

Position:

• chr2-26310844-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_001321971.2(ADGRF3):​c.2680G>A​(p.Ala894Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 33)
• Consequence: ADGRF3 NM_001321971.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.112

Genes affected

ADGRF3 (HGNC:18989): (adhesion G protein-coupled receptor F3) Predicted to enable G protein-coupled receptor activity. Predicted to be involved in G protein-coupled receptor signaling pathway and cell surface receptor signaling pathway. Predicted to be located in plasma membrane. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

ADGRF3 (HGNC:):

SELENOI (HGNC:29361): (selenoprotein I) The multi-pass transmembrane protein encoded by this gene belongs to the CDP-alcohol phosphatidyltransferase class-I family. It catalyzes the transfer of phosphoethanolamine from CDP-ethanolamine to diacylglycerol to produce phosphatidylethanolamine, which is involved in the formation and maintenance of vesicular membranes, regulation of lipid metabolism, and protein folding. This protein is a selenoprotein, containing the rare selenocysteine (Sec) amino acid at its active site. Sec is encoded by the UGA codon, which normally signals translation termination. The 3' UTRs of selenoprotein mRNAs contain a conserved stem-loop structure, designated the Sec insertion sequence (SECIS) element, that is necessary for the recognition of UGA as a Sec codon rather than as a stop signal. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Jul 2016]

ACMG classification

Verdict is Likely_benign. Variant got -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.0341807).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
ADGRF3	NM_001321971.2	c.2680G>A	p.Ala894Thr	missense_variant	10/14	ENST00000651242.2	NP_001308900.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
ADGRF3	ENST00000651242.2	c.2680G>A	p.Ala894Thr	missense_variant	10/14		NM_001321971.2	ENSP00000498434.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 33

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Dec 09, 2024

The c.2884G>A (p.A962T) alteration is located in exon 11 (coding exon 11) of the ADGRF3 gene. This alteration results from a G to A substitution at nucleotide position 2884, causing the alanine (A) at amino acid position 962 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.072
BayesDel_addAF	Benign	-0.37	T
BayesDel_noAF	Benign	-0.77
CADD	Benign	5.6
DANN	Benign	0.78
DEOGEN2	Benign	0.0027	.;.;T
Eigen	Benign	-1.4
Eigen_PC	Benign	-1.2
FATHMM_MKL	Benign	0.057	N
LIST_S2	Benign	0.62	.;T;T
M_CAP	Benign	0.0033	T
MetaRNN	Benign	0.034	T;T;T
MetaSVM	Benign	-0.97	T
PrimateAI	Benign	0.23	T
PROVEAN	Benign	0.28	N;N;N
REVEL	Benign	0.027
Sift	Benign	0.73	T;T;T
Sift4G	Benign	0.36	T;T;T
Polyphen		0.0010	B;.;B
Vest4		0.023
MutPred		0.34		.;.;Gain of phosphorylation at A962 (P = 0.0236);
MVP		0.014
MPC		0.087
ClinPred		0.022	T
GERP RS		1.5
Varity_R		0.022
gMVP		0.053

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr2-26533712;