Genetic Variant PRMT8:p.Pro34His (chr12-3540631-C-A) – ACMG Classification: Likely_benign (-5 pts)

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4BS2

The NM_019854.5(PRMT8):c.101C>A(p.Pro34His) variant causes a missense change. The variant allele was found at a frequency of 0.00000697 in 1,577,176 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 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. P34L) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 30)

Exomes 𝑓: 0.0000056 ( 0 hom. )

Consequence

PRMT8
NM_019854.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.05

Publications

2 publications found

Variant links:

Genes affected

PRMT8 (HGNC:5188): (protein arginine methyltransferase 8) Arginine methylation is a widespread posttranslational modification mediated by arginine methyltransferases, such as PRMT8. Arginine methylation is involved in a number of cellular processes, including DNA repair, RNA transcription, signal transduction, protein compartmentalization, and possibly protein translation (Lee et al., 2005 [PubMed 16051612]).[supplied by OMIM, Mar 2008]

PRMT8 links:

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ACMG classification

Classification was made for transcript

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

BP4

Computational evidence support a benign effect (MetaRNN=0.33885637).

BS2

High AC in GnomAdExome4 at 8 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_019854.5. 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
	PRMT8	NM_019854.5	MANE Select	c.101C>A	p.Pro34His	missense	Exon 2 of 10	NP_062828.3
	PRMT8	NM_001256536.1		c.74C>A	p.Pro25His	missense	Exon 2 of 10	NP_001243465.1	Q9NR22-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
PRMT8	ENST00000382622.4	TSL:1 MANE Select	c.101C>A	p.Pro34His	missense	Exon 2 of 10	ENSP00000372067.3	Q9NR22-1
PRMT8	ENST00000452611.6	TSL:1	c.74C>A	p.Pro25His	missense	Exon 2 of 10	ENSP00000414507.2	Q9NR22-2
PRMT8	ENST00000927113.1		c.101C>A	p.Pro34His	missense	Exon 2 of 10	ENSP00000597172.1

Frequencies

GnomAD3 genomes

AF:

0.0000198

AC:

AN:

151720

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000197

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000161

AC:

AN:

248146

AF XY:

0.0000149

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000117

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:

0.00000561

AC:

AN:

1425456

Hom.:

Cov.:

AF XY:

0.00000422

AC XY:

AN XY:

710824

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32672

American (AMR)

AF:

0.0000909

AC:

AN:

43994

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25760

East Asian (EAS)

AF:

0.00

AC:

AN:

39544

South Asian (SAS)

AF:

0.00

AC:

AN:

85140

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53332

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5708

European-Non Finnish (NFE)

AF:

0.00000370

AC:

AN:

1080142

Other (OTH)

AF:

0.00

AC:

AN:

59164

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.506

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:

0.0000198

AC:

AN:

151720

Hom.:

Cov.:

AF XY:

0.0000405

AC XY:

AN XY:

74078

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41278

American (AMR)

AF:

0.000197

AC:

AN:

15238

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5168

South Asian (SAS)

AF:

0.00

AC:

AN:

4760

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10582

Middle Eastern (MID)

AF:

0.00

AC:

AN:

312

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67914

Other (OTH)

AF:

0.00

AC:

AN:

2084

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

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:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.076

BayesDel_addAF

Benign

-0.36

BayesDel_noAF

Benign

-0.53

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.031

Eigen

Uncertain

0.23

Eigen_PC

Uncertain

0.34

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Benign

0.77

M_CAP

Benign

0.011

MetaRNN

Benign

0.34

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.34

PhyloP100

5.0

PrimateAI

Benign

0.45

PROVEAN

Benign

-0.66

REVEL

Benign

0.097

Sift

Uncertain

0.0040

Sift4G

Uncertain

0.0020

Polyphen

0.93

Vest4

0.54

MutPred

0.22

Loss of glycosylation at P34 (P = 0.0246)

MVP

0.22

MPC

0.39

ClinPred

0.63

GERP RS

5.5

Varity_R

0.12

gMVP

0.43

Mutation Taster

=65/35

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