chr16-56894594-G-C

Variant names:

Variant summary

Our verdict is Pathogenic. The variant received 17 ACMG points: 17P and 0B. PM2PM5PP2PP3_StrongPP5_Very_Strong

The NM_001126108.2(SLC12A3):c.2585G>C(p.Arg862Pro) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000248 in 1,614,002 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 Likely pathogenic (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R862H) has been classified as Likely pathogenic.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 31)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

SLC12A3
NM_001126108.2 missense

Scores

Clinical Significance

Likely pathogenic criteria provided, multiple submitters, no conflicts P:2

Conservation

PhyloP100: 7.80

Publications

13 publications found

Variant links:

Genes affected

SLC12A3 (HGNC:10912): (solute carrier family 12 member 3) This gene encodes a renal thiazide-sensitive sodium-chloride cotransporter that is important for electrolyte homeostasis. This cotransporter mediates sodium and chloride reabsorption in the distal convoluted tubule. Mutations in this gene cause Gitelman syndrome, a disease similar to Bartter's syndrome, that is characterized by hypokalemic alkalosis combined with hypomagnesemia, low urinary calcium, and increased renin activity associated with normal blood pressure. This cotransporter is the target for thiazide diuretics that are used for treating high blood pressure. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

SLC12A3 Gene-Disease associations (from GenCC):

Gitelman syndrome
Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae)

SLC12A3 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 17 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PM5

Other missense variant is known to change same aminoacid residue: Variant chr16-56894594-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 242726.We mark this variant Likely_pathogenic, oryginal submission is: [Conflicting_classifications_of_pathogenicity].

PP2

Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 138 curated pathogenic missense variants (we use a threshold of 10). The gene has 18 curated benign missense variants. Gene score misZ: -0.93606 (below the threshold of 3.09). Trascript score misZ: 0.71313 (below the threshold of 3.09). GenCC associations: The gene is linked to Gitelman syndrome.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.944

PP5

Variant 16-56894594-G-C is Pathogenic according to our data. Variant chr16-56894594-G-C is described in ClinVar as [Likely_pathogenic]. Clinvar id is 1299566.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SLC12A3	NM_001126108.2 link	c.2585G>C	p.Arg862Pro	missense_variant	Exon 22 of 26	ENST00000563236.6	NP_001119580.2	P55017-1
SLC12A3	NM_000339.3 link	c.2612G>C	p.Arg871Pro	missense_variant	Exon 22 of 26		NP_000330.3	P55017-2
SLC12A3	NM_001126107.2 link	c.2609G>C	p.Arg870Pro	missense_variant	Exon 22 of 26		NP_001119579.2	P55017-3
SLC12A3	NM_001410896.1 link	c.2582G>C	p.Arg861Pro	missense_variant	Exon 22 of 26		NP_001397825.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SLC12A3	ENST00000563236.6 link	c.2585G>C	p.Arg862Pro	missense_variant	Exon 22 of 26	1	NM_001126108.2	ENSP00000456149.2	P55017-1
SLC12A3	ENST00000438926.6 link	c.2612G>C	p.Arg871Pro	missense_variant	Exon 22 of 26	1		ENSP00000402152.2	P55017-2
SLC12A3	ENST00000566786.5 link	c.2609G>C	p.Arg870Pro	missense_variant	Exon 22 of 26	1		ENSP00000457552.1	P55017-3
SLC12A3	ENST00000262502.5 link	c.2582G>C	p.Arg861Pro	missense_variant	Exon 22 of 26	5		ENSP00000262502.5	J3QSS1

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152158

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000655

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461844

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727222

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86244

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111984

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152158

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74326

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41426

American (AMR)

AF:

0.0000655

AC:

AN:

15270

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5202

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68028

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000151

ClinVar

Significance: Likely pathogenic

Submissions summary: Pathogenic:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Familial hypokalemia-hypomagnesemia

Pathogenic:2

Mar 21, 2024

Fulgent Genetics, Fulgent Genetics

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Aug 10, 2021

Laboratory of Medical Genetics, National & Kapodistrian University of Athens

Significance:Likely pathogenic

Review Status:criteria provided, single submitter

Collection Method:clinical testing

PM2, PM5, PP3, PP5 -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.99

BayesDel_addAF

Pathogenic

0.53

BayesDel_noAF

Pathogenic

0.53

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Pathogenic

0.96

.;.;D;D

Eigen

Pathogenic

0.85

Eigen_PC

Pathogenic

0.76

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.95

D;D;D;D

M_CAP

Pathogenic

0.41

MetaRNN

Pathogenic

0.94

D;D;D;D

MetaSVM

Uncertain

0.38

MutationAssessor

Pathogenic

3.4

.;.;M;.

PhyloP100

7.8

PrimateAI

Uncertain

0.69

PROVEAN

Pathogenic

-6.3

D;D;D;D

REVEL

Pathogenic

0.77

Sift

Pathogenic

0.0

D;D;D;D

Sift4G

Pathogenic

0.0010

D;D;D;D

Polyphen

1.0

D;D;D;.

Vest4

0.98

MutPred

0.72

.;.;Loss of MoRF binding (P = 0.0084);.;

MVP

0.97

MPC

0.56

ClinPred

1.0

GERP RS

4.8

Varity_R

0.97

gMVP

0.98

Mutation Taster

=0/100

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.070

Details are displayed if max score is > 0.2

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

Publications

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chr16-56894594-G-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over