Genetic Variant NM_015978.3:c.41-12C>T (chr1-74236090-C-T) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_015978.3(TNNI3K):c.41-12C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000692 in 1,445,924 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

TNNI3K
NM_015978.3 intron

Scores

Splicing: ADA: 0.00001803

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 2.31

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:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.86).

BP6

Variant 1-74236090-C-T is Benign according to our data. Variant chr1-74236090-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 1543294.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein	UniProt
TNNI3K	NM_015978.3 link	c.41-12C>T	intron_variant	Intron 1 of 24	ENST00000326637.8	NP_057062.1	Q59H18-2
FPGT-TNNI3K	NM_001112808.3 link	c.344-12C>T	intron_variant	Intron 3 of 26		NP_001106279.3	V9GXZ4
FPGT-TNNI3K	NM_001199327.2 link	c.344-12C>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.41-12C>T		intron_variant	Intron 1 of 24	1	NM_015978.3	ENSP00000322251.3		Q59H18-2
FPGT-TNNI3K	ENST00000557284.7 link	c.344-12C>T		intron_variant	Intron 3 of 26	2		ENSP00000450895.3		V9GXZ4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000408

AC:

AN:

244958

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.0000632

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS 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:

6.92e-7

AC:

AN:

1445924

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

719452

show subpopulations

African (AFR)

AF:

0.0000306

AC:

AN:

32634

American (AMR)

AF:

0.00

AC:

AN:

43212

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25632

East Asian (EAS)

AF:

0.00

AC:

AN:

39122

South Asian (SAS)

AF:

0.00

AC:

AN:

84432

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52890

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5466

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1102974

Other (OTH)

AF:

0.00

AC:

AN:

59562

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

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.:

Bravo

AF:

0.00000378

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Jan 22, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.86

CADD

Benign

(source)

DANN

Benign

0.41

PhyloP100

2.3

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.000018

dbscSNV1_RF

Benign

0.014

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over