Genetic Variant STK40:p.Ala407Val (chr1-36341843-G-A) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001282547.2(STK40):c.1220C>T(p.Ala407Val) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,366 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict 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. A407E) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

STK40
NM_001282547.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.06

Publications

0 publications found

Variant links:

Genes affected

STK40 (HGNC:21373): (serine/threonine kinase 40) Predicted to enable ATP binding activity; protein serine kinase activity; and protein serine/threonine kinase activity. Predicted to be involved in protein phosphorylation. Predicted to act upstream of or within several processes, including glycogen metabolic process; lung development; and respiratory system process. Located in cytosol and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

STK40 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.044908404).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
STK40	NM_001282547.2 link	c.1220C>T	p.Ala407Val	missense_variant	Exon 11 of 11	ENST00000373132.4	NP_001269476.1	Q8N2I9-1
STK40	NM_001282546.2 link	c.1235C>T	p.Ala412Val	missense_variant	Exon 11 of 11		NP_001269475.1	Q8N2I9-4
STK40	NM_032017.3 link	c.1220C>T	p.Ala407Val	missense_variant	Exon 12 of 12		NP_114406.1	Q8N2I9-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
STK40	ENST00000373132.4 link	c.1220C>T	p.Ala407Val	missense_variant	Exon 11 of 11	1	NM_001282547.2	ENSP00000362224.4	Q8N2I9-1
STK40	ENST00000373130.7 link	c.1235C>T	p.Ala412Val	missense_variant	Exon 11 of 11	1		ENSP00000362222.3	Q8N2I9-4
STK40	ENST00000373129.7 link	c.1220C>T	p.Ala407Val	missense_variant	Exon 12 of 12	1		ENSP00000362221.3	Q8N2I9-1
STK40	ENST00000359297.6 link	c.*1356C>T		3_prime_UTR_variant	Exon 9 of 9	2		ENSP00000352245.2	Q8N2I9-3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461366

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726998

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33468

American (AMR)

AF:

0.00

AC:

AN:

44708

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26112

East Asian (EAS)

AF:

0.00

AC:

AN:

39694

South Asian (SAS)

AF:

0.00

AC:

AN:

86224

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53324

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5546

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111934

Other (OTH)

AF:

0.0000166

AC:

AN:

60356

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

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:

0.0000264

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.048

BayesDel_addAF

Benign

-0.24

BayesDel_noAF

Benign

-0.59

CADD

Benign

2.3

(source)

DANN

Benign

0.35

DEOGEN2

Benign

0.0069

T;.;T

Eigen

Benign

-0.89

Eigen_PC

Benign

-0.74

FATHMM_MKL

Benign

0.35

LIST_S2

Benign

0.68

.;T;T

M_CAP

Benign

0.030

MetaRNN

Benign

0.045

T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.0

N;.;N

PhyloP100

4.1

PrimateAI

Benign

0.28

PROVEAN

Benign

0.21

N;N;N

REVEL

Benign

0.11

Sift

Benign

1.0

T;T;T

Sift4G

Benign

1.0

T;T;T

Polyphen

0.0

B;B;B

Vest4

0.022

MutPred

0.19

Loss of disorder (P = 0.0836);.;Loss of disorder (P = 0.0836);

MVP

0.19

MPC

0.37

ClinPred

0.078

GERP RS

1.3

Varity_R

0.015

gMVP

0.062

Mutation Taster

=100/0

polymorphism

(source)

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

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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