Genetic Variant TMPRSS12:p.Ser128Ser (chr12-50858785-C-T) – ACMG Classification: Likely_benign (-5 pts)

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7

The NM_182559.3(TMPRSS12):c.384C>T(p.Ser128Ser) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000706 in 1,529,284 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00014 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000062 ( 0 hom. )

Consequence

TMPRSS12
NM_182559.3 splice_region, synonymous

Scores

Splicing: ADA: 0.0001921

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.621

Publications

1 publications found

Variant links:

Genes affected

TMPRSS12 (HGNC:28779): (transmembrane serine protease 12) Predicted to enable serine-type endopeptidase activity. Predicted to be involved in proteolysis. Predicted to act upstream of or within binding activity of sperm to zona pellucida and protein processing. Predicted to be located in acrosomal vesicle. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

TMPRSS12 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.68).

BP6

Variant 12-50858785-C-T is Benign according to our data. Variant chr12-50858785-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 3179882.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=-0.621 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_182559.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TMPRSS12	NM_182559.3	MANE Select	c.384C>T	p.Ser128Ser	splice_region synonymous	Exon 3 of 5	NP_872365.2	Q86WS5

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TMPRSS12	ENST00000398458.4	TSL:1 MANE Select	c.384C>T	p.Ser128Ser	splice_region synonymous	Exon 3 of 5	ENSP00000381476.3	Q86WS5
	TMPRSS12	ENST00000551456.5	TSL:2	c.384C>T	p.Ser128Ser	splice_region synonymous	Exon 3 of 4	ENSP00000447259.1	F8WBX2

Frequencies

GnomAD3 genomes

AF:

0.000138

AC:

AN:

152094

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000121

Gnomad AMI

AF:

0.00989

Gnomad AMR

AF:

0.000131

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:

0.0000735

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000421

AC:

AN:

190062

AF XY:

0.0000288

show subpopulations

Gnomad AFR exome

AF:

0.0000729

Gnomad AMR exome

AF:

0.0000516

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000541

Gnomad NFE exome

AF:

0.0000534

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000625

AC:

AN:

1377072

Hom.:

Cov.:

AF XY:

0.0000559

AC XY:

AN XY:

680354

show subpopulations

African (AFR)

AF:

0.0000991

AC:

AN:

30282

American (AMR)

AF:

0.000213

AC:

AN:

28208

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

22558

East Asian (EAS)

AF:

0.0000263

AC:

AN:

38094

South Asian (SAS)

AF:

0.00

AC:

AN:

70778

European-Finnish (FIN)

AF:

0.0000199

AC:

AN:

50130

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4616

European-Non Finnish (NFE)

AF:

0.0000660

AC:

AN:

1075922

Other (OTH)

AF:

0.0000708

AC:

AN:

56484

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.451

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.000145

AC:

AN:

152212

Hom.:

Cov.:

AF XY:

0.0000672

AC XY:

AN XY:

74420

show subpopulations

African (AFR)

AF:

0.000144

AC:

AN:

41530

American (AMR)

AF:

0.000131

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5192

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10588

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000735

AC:

AN:

68008

Other (OTH)

AF:

0.00

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.504

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.000204

ClinVar

ClinVar submissions

Significance:Likely benign

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.68

CADD

Benign

2.4

(source)

DANN

Benign

0.48

PhyloP100

-0.62

Mutation Taster

=83/17

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.00019

dbscSNV1_RF

Benign

0.052

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over