Genetic Variant TNP2:p.Asp2Asn (chr16-11269259-C-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_005425.5(TNP2):c.4G>A(p.Asp2Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000141 in 1,597,788 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00014 ( 0 hom. )

Consequence

TNP2
NM_005425.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.02

Publications

1 publications found

Variant links:

Genes affected

TNP2 (HGNC:11952): (transition protein 2) Predicted to enable zinc ion binding activity. Predicted to be involved in positive regulation of protein processing; single fertilization; and spermatogenesis, exchange of chromosomal proteins. Predicted to act upstream of or within binding activity of sperm to zona pellucida and flagellated sperm motility. Predicted to be located in nucleus. Predicted to be part of nucleosome. [provided by Alliance of Genome Resources, Apr 2022]

TNP2 links:

RMI2 (HGNC:28349): (RecQ mediated genome instability 2) RMI2 is a component of the BLM (RECQL3; MIM 604610) complex, which plays a role in homologous recombination-dependent DNA repair and is essential for genome stability (Xu et al., 2008 [PubMed 18923082]).[supplied by OMIM, Nov 2008]

RMI2 links:

LOC105371082 (HGNC:):

LOC105371082 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005425.5. 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
	TNP2	NM_005425.5	MANE Select	c.4G>A	p.Asp2Asn	missense	Exon 1 of 2	NP_005416.1	Q05952

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
TNP2	ENST00000312693.4	TSL:1 MANE Select	c.4G>A	p.Asp2Asn	missense	Exon 1 of 2	ENSP00000325738.3	Q05952
RMI2	ENST00000572173.1	TSL:1	c.-516+19481C>T		intron	N/A	ENSP00000461206.1	Q96E14-2
TNP2	ENST00000560751.1	TSL:6	c.4G>A	p.Asp2Asn	missense	Exon 1 of 1	ENSP00000496261.1	A0A2R8Y7P0

Frequencies

GnomAD3 genomes

AF:

0.000112

AC:

AN:

152156

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

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:

0.000235

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000337

AC:

AN:

237178

AF XY:

0.0000387

show subpopulations

Gnomad AFR exome

AF:

0.00

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:

0.0000720

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000145

AC:

209

AN:

1445632

Hom.:

Cov.:

AF XY:

0.000135

AC XY:

AN XY:

719058

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33410

American (AMR)

AF:

0.00

AC:

AN:

44526

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25878

East Asian (EAS)

AF:

0.00

AC:

AN:

39652

South Asian (SAS)

AF:

0.00

AC:

AN:

85986

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40754

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5746

European-Non Finnish (NFE)

AF:

0.000161

AC:

179

AN:

1109536

Other (OTH)

AF:

0.000499

AC:

AN:

60144

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.473

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:

0.000112

AC:

AN:

152156

Hom.:

Cov.:

AF XY:

0.000121

AC XY:

AN XY:

74328

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41438

American (AMR)

AF:

0.00

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000235

AC:

AN:

68016

Other (OTH)

AF:

0.00

AC:

AN:

2086

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

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:

0.0000434

Hom.:

Bravo

AF:

0.0000945

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000259

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000119

AC:

ExAC

AF:

0.0000330

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

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

AlphaMissense

Benign

0.20

BayesDel_addAF

Benign

-0.17

BayesDel_noAF

Benign

-0.32

CADD

Uncertain

(source)

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.38

Eigen

Uncertain

0.48

Eigen_PC

Uncertain

0.41

FATHMM_MKL

Uncertain

0.86

LIST_S2

Benign

0.36

M_CAP

Benign

0.021

MetaRNN

Uncertain

0.43

MetaSVM

Benign

-0.65

MutationAssessor

Benign

1.9

PhyloP100

3.0

PrimateAI

Uncertain

0.50

PROVEAN

Pathogenic

-4.5

REVEL

Uncertain

0.39

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0

Polyphen

1.0

Vest4

0.50

MVP

0.73

MPC

0.34

ClinPred

0.95

GERP RS

3.5

PromoterAI

0.023

Neutral

(source)

Varity_R

0.62

gMVP

0.17

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over