17-70132496-C-T

Variant summary

Our verdict is Likely pathogenic. Variant got 9 ACMG points: 9P and 0B. PS1_ModeratePM2PP3_StrongPP5

The NM_170741.4(KCNJ16):​c.409C>T​(p.Arg137Cys) variant causes a missense change. The variant allele was found at a frequency of 0.00000743 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 Pathogenic (no stars). Another nucleotide change resulting in same amino acid change has been previously reported as Likely pathogenicin UniProt.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000075 ( 0 hom. )

Consequence

KCNJ16
NM_170741.4 missense

Scores

16
2
1

Clinical Significance

Pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: 4.86
Variant links:
Genes affected
KCNJ16 (HGNC:6262): (potassium inwardly rectifying channel subfamily J member 16) Potassium channels are present in most mammalian cells, where they participate in a wide range of physiologic responses. The protein encoded by this gene is an integral membrane protein and inward-rectifier type potassium channel. The encoded protein, which tends to allow potassium to flow into rather than out of a cell, can form heterodimers with two other inward-rectifier type potassium channels. It may function in fluid and pH balance regulation. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Apr 2014]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 9 ACMG points.

PS1
Transcript NM_170741.4 (KCNJ16) is affected with MISSENSE_VARIANT having same AA change as one Pathogenic present in UniProt
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.986
PP5
Variant 17-70132496-C-T is Pathogenic according to our data. Variant chr17-70132496-C-T is described in ClinVar as [Pathogenic]. Clinvar id is 1174516.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
KCNJ16NM_170741.4 linkuse as main transcriptc.409C>T p.Arg137Cys missense_variant 4/4 ENST00000392671.6 NP_733937.3 Q9NPI9K7EJR9A8K434

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
KCNJ16ENST00000392671.6 linkuse as main transcriptc.409C>T p.Arg137Cys missense_variant 4/42 NM_170741.4 ENSP00000376439.1 Q9NPI9

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152132
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000796
AC:
2
AN:
251302
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135822
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000752
AC:
11
AN:
1461870
Hom.:
0
Cov.:
32
AF XY:
0.0000124
AC XY:
9
AN XY:
727234
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000809
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152132
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74320
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756
ExAC
AF:
0.0000165
AC:
2

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Hypokalemic tubulopathy and deafness Pathogenic:1
Pathogenic, no assertion criteria providedliterature onlyOMIMJun 28, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.89
BayesDel_addAF
Pathogenic
0.40
D
BayesDel_noAF
Pathogenic
0.52
CADD
Pathogenic
29
DANN
Pathogenic
1.0
DEOGEN2
Pathogenic
0.95
D;D;D;D;.;D;.
Eigen
Pathogenic
0.72
Eigen_PC
Uncertain
0.63
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Pathogenic
0.99
.;.;D;.;D;.;D
M_CAP
Pathogenic
0.40
D
MetaRNN
Pathogenic
0.99
D;D;D;D;D;D;D
MetaSVM
Pathogenic
1.1
D
MutationAssessor
Pathogenic
3.7
H;H;H;H;.;H;.
PrimateAI
Uncertain
0.62
T
PROVEAN
Pathogenic
-7.7
D;D;.;.;.;D;.
REVEL
Pathogenic
0.89
Sift
Pathogenic
0.0
D;D;.;.;.;D;.
Sift4G
Pathogenic
0.0
D;D;D;D;D;D;D
Polyphen
1.0
D;D;D;D;.;D;.
Vest4
0.91
MutPred
0.88
Gain of catalytic residue at V139 (P = 0.0491);Gain of catalytic residue at V139 (P = 0.0491);Gain of catalytic residue at V139 (P = 0.0491);Gain of catalytic residue at V139 (P = 0.0491);.;Gain of catalytic residue at V139 (P = 0.0491);.;
MVP
0.94
MPC
0.48
ClinPred
1.0
D
GERP RS
5.8
Varity_R
0.79
gMVP
0.93

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

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs766250689; hg19: chr17-68128637; API