chr20-63247672-G-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_152864.4(NKAIN4):​c.377C>A​(p.Ala126Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000616 in 1,543,138 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 34)
Exomes 𝑓: 0.000057 ( 0 hom. )

Consequence

NKAIN4
NM_152864.4 missense

Scores

1
18

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.196
Variant links:
Genes affected
NKAIN4 (HGNC:16191): (sodium/potassium transporting ATPase interacting 4) NKAIN4 is a member of a family of mammalian proteins (see NKAIN1; MIM 612871) with similarity to Drosophila Nkain and interacts with the beta subunit of Na,K-ATPase (ATP1B1; MIM 182330) (Gorokhova et al., 2007 [PubMed 17606467]).[supplied by OMIM, Jun 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

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=0.0124620795).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
NKAIN4NM_152864.4 linkuse as main transcriptc.377C>A p.Ala126Asp missense_variant 4/7 ENST00000370316.8 NP_690603.3 Q8IVV8B3KWY5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
NKAIN4ENST00000370316.8 linkuse as main transcriptc.377C>A p.Ala126Asp missense_variant 4/71 NM_152864.4 ENSP00000359340.3 Q8IVV8

Frequencies

GnomAD3 genomes
AF:
0.000105
AC:
16
AN:
152226
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000458
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.0000588
Gnomad OTH
AF:
0.00143
GnomAD3 exomes
AF:
0.000107
AC:
16
AN:
148910
Hom.:
0
AF XY:
0.000114
AC XY:
9
AN XY:
78764
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000427
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000526
Gnomad OTH exome
AF:
0.000714
GnomAD4 exome
AF:
0.0000568
AC:
79
AN:
1390794
Hom.:
0
Cov.:
34
AF XY:
0.0000584
AC XY:
40
AN XY:
685256
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000403
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000129
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000437
Gnomad4 OTH exome
AF:
0.000278
GnomAD4 genome
AF:
0.000105
AC:
16
AN:
152344
Hom.:
0
Cov.:
34
AF XY:
0.0000805
AC XY:
6
AN XY:
74488
show subpopulations
Gnomad4 AFR
AF:
0.0000240
Gnomad4 AMR
AF:
0.000457
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000588
Gnomad4 OTH
AF:
0.00142
Alfa
AF:
0.0000284
Hom.:
0
Bravo
AF:
0.0000529
ExAC
AF:
0.0000220
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsAug 10, 2021The c.377C>A (p.A126D) alteration is located in exon 4 (coding exon 4) of the NKAIN4 gene. This alteration results from a C to A substitution at nucleotide position 377, causing the alanine (A) at amino acid position 126 to be replaced by an aspartic acid (D). 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
0.074
BayesDel_addAF
Benign
-0.55
T
BayesDel_noAF
Benign
-0.68
CADD
Benign
0.29
DANN
Benign
0.29
DEOGEN2
Benign
0.0039
.;T;.;.
Eigen
Benign
-1.7
Eigen_PC
Benign
-1.7
FATHMM_MKL
Benign
0.039
N
LIST_S2
Benign
0.43
T;T;T;T
M_CAP
Benign
0.0029
T
MetaRNN
Benign
0.012
T;T;T;T
MetaSVM
Benign
-0.95
T
MutationAssessor
Benign
1.5
.;L;.;.
PrimateAI
Uncertain
0.51
T
PROVEAN
Benign
-1.4
N;N;N;N
REVEL
Benign
0.013
Sift
Benign
0.22
T;T;T;D
Sift4G
Benign
0.28
T;T;T;T
Polyphen
0.0020, 0.0
.;B;B;.
Vest4
0.20
MutPred
0.50
.;Gain of relative solvent accessibility (P = 0.0249);.;.;
MVP
0.099
MPC
0.0075
ClinPred
0.026
T
GERP RS
-3.2
Varity_R
0.089
gMVP
0.10

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: rs566900551; hg19: chr20-61879024; API