Genetic Variant NM_015978.3:c.35G>T (chr1-74235486-G-T) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_015978.3(TNNI3K):c.35G>T(p.Cys12Phe) variant causes a missense change. The variant allele was found at a frequency of 0.0000066 in 151,510 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic 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. C12Y) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

TNNI3K
NM_015978.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.95

Publications

0 publications found

Variant links:

Genes affected

TNNI3K (HGNC:19661): (TNNI3 interacting kinase) This gene encodes a protein that belongs to the MAP kinase kinase kinase (MAPKKK) family of protein kinases. The protein contains ankyrin repeat, protein kinase and serine-rich domains and is thought to play a role in cardiac physiology. [provided by RefSeq, Sep 2012]

TNNI3K links:

FPGT-TNNI3K (HGNC:42952): (FPGT-TNNI3K readthrough) Enables protein C-terminus binding activity; protein kinase activity; and troponin I binding activity. Involved in protein phosphorylation and regulation of heart contraction. Located in cytoplasm and nucleus. [provided by Alliance of Genome Resources, Apr 2022]

FPGT-TNNI3K links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.82

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TNNI3K	NM_015978.3 link	c.35G>T	p.Cys12Phe	missense_variant	Exon 1 of 25	ENST00000326637.8	NP_057062.1	Q59H18-2
FPGT-TNNI3K	NM_001112808.3 link	c.344-616G>T		intron_variant	Intron 3 of 26		NP_001106279.3	V9GXZ4
FPGT-TNNI3K	NM_001199327.2 link	c.344-616G>T		intron_variant	Intron 3 of 23		NP_001186256.3	Q59H18-4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TNNI3K	ENST00000326637.8 link	c.35G>T	p.Cys12Phe	missense_variant	Exon 1 of 25	1	NM_015978.3	ENSP00000322251.3		Q59H18-2
FPGT-TNNI3K	ENST00000557284.7 link	c.344-616G>T		intron_variant	Intron 3 of 26	2		ENSP00000450895.3		V9GXZ4

Frequencies

GnomAD3 genomes

AF:

0.00000660

AC:

AN:

151510

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.0000148

Gnomad OTH

AF:

0.00

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1303654

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

655678

African (AFR)

AF:

0.00

AC:

AN:

28356

American (AMR)

AF:

0.00

AC:

AN:

35362

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24490

East Asian (EAS)

AF:

0.00

AC:

AN:

37300

South Asian (SAS)

AF:

0.00

AC:

AN:

77770

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53008

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5418

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

987330

Other (OTH)

AF:

0.00

AC:

AN:

54620

GnomAD4 genome

AF:

0.00000660

AC:

AN:

151510

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

73998

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41326

American (AMR)

AF:

0.00

AC:

AN:

15144

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3462

East Asian (EAS)

AF:

0.00

AC:

AN:

5186

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10576

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000148

AC:

AN:

67676

Other (OTH)

AF:

0.00

AC:

AN:

2082

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.87

BayesDel_addAF

Pathogenic

0.36

BayesDel_noAF

Pathogenic

0.28

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.17

Eigen

Pathogenic

0.82

Eigen_PC

Pathogenic

0.84

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.87

M_CAP

Benign

0.061

MetaRNN

Pathogenic

0.82

MetaSVM

Uncertain

0.39

MutationAssessor

Benign

1.5

PhyloP100

6.0

PROVEAN

Benign

-2.2

REVEL

Uncertain

0.60

Sift

Pathogenic

0.0

Sift4G

Uncertain

0.012

Polyphen

1.0

Vest4

0.84

MutPred

0.37

Gain of MoRF binding (P = 0.0696);

MVP

0.79

ClinPred

0.91

GERP RS

5.9

PromoterAI

-0.0044

Neutral

(source)

Varity_R

0.79

gMVP

0.53

Mutation Taster

=25/75

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over