2-102473889-G-A

Position:

• chr2-102473889-G-A

Variant summary

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

The NM_001011552.4(SLC9A4):​c.130G>A​(p.Ala44Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000103 in 1,461,790 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 0.000010 (0 hom.)
• Consequence: SLC9A4 NM_001011552.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 2.00

Genes affected

SLC9A4 (HGNC:11077): (solute carrier family 9 member A4) Predicted to enable potassium:proton antiporter activity and sodium:proton antiporter activity. Predicted to be involved in potassium ion transmembrane transport; regulation of intracellular pH; and sodium ion import across plasma membrane. Predicted to act upstream of or within epithelial cell development and gastric acid secretion. Predicted to be located in several cellular components, including apical plasma membrane; basolateral plasma membrane; and vacuolar membrane. Predicted to be integral component of membrane. Predicted to be active in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

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=0.06515682).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
SLC9A4	NM_001011552.4	c.130G>A	p.Ala44Thr	missense_variant	1/12	ENST00000295269.5
SLC9A4	XM_011511158.2	c.130G>A	p.Ala44Thr	missense_variant	1/12

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
SLC9A4	ENST00000295269.5	c.130G>A	p.Ala44Thr	missense_variant	1/12	1	NM_001011552.4	P1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD3 exomes AF: 0.0000159 AC: 4 AN: 251348 Hom.: 0 AF XY: 0.00000736 AC XY: 1 AN XY: 135824

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: 0.0000653

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.0000176

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000103 AC: 15 AN: 1461790 Hom.: 0 Cov.: 31 AF XY: 0.00000963 AC XY: 7 AN XY: 727198

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: 0.0000464

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00000989

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 33

Bravo AF: 0.00000378

ExAC AF: 0.00000824 AC: 1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.066
BayesDel_addAF	Benign	-0.34	T
BayesDel_noAF	Benign	-0.54
CADD	Benign	14
DANN	Benign	0.96
DEOGEN2	Benign	0.031	T
Eigen	Benign	-0.67
Eigen_PC	Benign	-0.63
FATHMM_MKL	Benign	0.29	N
LIST_S2	Benign	0.56	T
M_CAP	Benign	0.011	T
MetaRNN	Benign	0.065	T
MetaSVM	Benign	-0.98	T
MutationAssessor	Benign	1.9	L
MutationTaster	Benign	1.0	N
PrimateAI	Benign	0.27	T
PROVEAN	Benign	-0.44	N
REVEL	Benign	0.12
Sift	Benign	0.42	T
Sift4G	Benign	0.62	T
Polyphen		0.033	B
Vest4		0.075
MutPred		0.39		Loss of catalytic residue at A44 (P = 0.0194);
MVP		0.40
MPC		0.11
ClinPred		0.17	T
GERP RS		5.0
Varity_R		0.10
gMVP		0.38

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

LitVar

Other links and lift over

dbSNP: rs770379616; hg19: chr2-103090348; COSMIC: COSV99763728;