Genetic Variant MKNK1:p.Gly329Glu (chr1-46560261-C-T) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_001135553.4(MKNK1):c.986G>A(p.Gly329Glu) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,864 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G329A) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

MKNK1
NM_001135553.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.09

Publications

0 publications found

Variant links:

Genes affected

MKNK1 (HGNC:7110): (MAPK interacting serine/threonine kinase 1) This gene encodes a Ser/Thr protein kinase that interacts with, and is activated by ERK1 and p38 mitogen-activated protein kinases, and thus may play a role in the response to environmental stress and cytokines. This kinase may also regulate transcription by phosphorylating eIF4E via interaction with the C-terminal region of eIF4G. Alternatively spliced transcript variants have been noted for this gene. [provided by RefSeq, Jan 2012]

MKNK1 links:

MKNK1-AS1 (HGNC:44129): (MKNK1 antisense RNA 1)

MKNK1-AS1 links:

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ACMG classification

Classification was made for transcript

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=0.26568303).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MKNK1	NM_001135553.4 link	c.986G>A	p.Gly329Glu	missense_variant	Exon 12 of 13	ENST00000371945.10	NP_001129025.2	Q9BUB5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MKNK1	ENST00000371945.10 link	c.986G>A	p.Gly329Glu	missense_variant	Exon 12 of 13	1	NM_001135553.4	ENSP00000361013.5		A0A499FJN1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461864

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727230

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111992

Other (OTH)

AF:

0.00

AC:

AN:

60394

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.325

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.18

BayesDel_addAF

Benign

-0.022

BayesDel_noAF

Benign

-0.27

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.27

T;.;T;.;.

Eigen

Uncertain

0.21

Eigen_PC

Uncertain

0.30

FATHMM_MKL

Uncertain

0.96

LIST_S2

Benign

0.83

T;T;T;T;T

M_CAP

Benign

0.014

MetaRNN

Benign

0.27

T;T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.9

L;.;.;.;.

PhyloP100

4.1

PrimateAI

Uncertain

0.75

REVEL

Benign

0.11

Sift4G

Benign

1.0

.;.;T;.;.

Polyphen

0.91

P;P;B;.;.

Vest4

0.63

MutPred

0.29

Gain of solvent accessibility (P = 0.0281);.;.;.;.;

MVP

0.28

MPC

0.35

ClinPred

0.79

GERP RS

4.3

Varity_R

0.25

gMVP

0.55

Mutation Taster

=40/60

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.060

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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chr1-46560261-C-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over