NM_001178015.2:c.222G>T

Variant names:

• chr2-161804540-G-T
• NM_001178015.2:c.222G>T

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2 BP4

The NM_001178015.2(SLC4A10):​c.222G>T​(p.Lys74Asn) 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. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: SLC4A10 NM_001178015.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 2.45
• Publications: 0 publications found

Genes affected

SLC4A10 (HGNC:13811): (solute carrier family 4 member 10) This gene belongs to a small family of sodium-coupled bicarbonate transporters (NCBTs) that regulate the intracellular pH of neurons, the secretion of bicarbonate ions across the choroid plexus, and the pH of the brain extracellular fluid. The protein encoded by this gene was initially identified as a sodium-driven chloride bicarbonate exchanger (NCBE) though there is now evidence that its sodium/bicarbonate cotransport activity is independent of any chloride ion countertransport under physiological conditions. This gene is now classified as a member A10 of the SLC4 family of transmembrane solute carriers. Alternative splicing results in multiple transcript variants encoding distinct isoforms.[provided by RefSeq, May 2010]

SLC4A10 Gene-Disease associations (from GenCC):

• complex neurodevelopmental disorder

  Inheritance: AR Classification: STRONG Submitted by: ClinGen
• neurodevelopmental disorder with hypotonia and characteristic brain abnormalities

  Inheritance: AR Classification: STRONG, MODERATE Submitted by: Baylor College of Medicine Research Center, PanelApp Australia, G2P

ACMG classification

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.28686672).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001178015.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC4A10	NM_001178015.2	MANE Select	c.222G>T	p.Lys74Asn	missense	Exon 3 of 27	NP_001171486.1	Q6U841-1
	SLC4A10	NM_001354440.2		c.222G>T	p.Lys74Asn	missense	Exon 3 of 26	NP_001341369.1
	SLC4A10	NM_001354460.2		c.258G>T	p.Lys86Asn	missense	Exon 4 of 28	NP_001341389.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC4A10	ENST00000446997.6	TSL:1 MANE Select	c.222G>T	p.Lys74Asn	missense	Exon 3 of 27	ENSP00000393066.1	Q6U841-1
	SLC4A10	ENST00000415876.6	TSL:1	c.222G>T	p.Lys74Asn	missense	Exon 3 of 26	ENSP00000395797.2	Q6U841-2
	SLC4A10	ENST00000461456.5	TSL:1	n.459G>T		non_coding_transcript_exon	Exon 4 of 9

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 30

GnomAD4 genome Cov.: 32

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	Inborn genetic diseases (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.91
BayesDel_addAF	Benign	0.0025	T
BayesDel_noAF	Benign	-0.23
CADD	Benign	21
DANN	Uncertain	1.0
DEOGEN2	Benign	0.012	T
Eigen	Benign	0.12
Eigen_PC	Benign	0.20
FATHMM_MKL	Uncertain	0.91	D
LIST_S2	Benign	0.78	T
M_CAP	Uncertain	0.12	D
MetaRNN	Benign	0.29	T
MetaSVM	Uncertain	-0.25	T
MutationAssessor	Uncertain	2.3	M
PhyloP100		2.5
PrimateAI	Pathogenic	0.90	D
PROVEAN	Benign	-0.97	N
REVEL	Uncertain	0.30
Sift	Benign	0.14	T
Sift4G	Benign	0.083	T
Polyphen		0.71	P
Vest4		0.53
MutPred		0.25		Loss of solvent accessibility (P = 0.0079)
MVP		0.80
MPC		0.82
ClinPred		0.88	D
GERP RS		4.5
Varity_R		0.22
gMVP		0.34
Mutation Taster		=54/46	polymorphism

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

Other links and lift over

hg19: chr2-162661050;