Variant summary

Our verdict is Benign. The variant received -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BS1BS2

The NM_031844.3(HNRNPU):c.507G>A(p.Gln169Gln) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000103 in 1,609,296 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: 𝑓 0.00045 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000067 ( 0 hom. )

Consequence

HNRNPU
NM_031844.3 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:6

Conservation

PhyloP100: 0.854

Publications

1 publications found

Variant links:

Genes affected

HNRNPU (HGNC:5048): (heterogeneous nuclear ribonucleoprotein U) This gene encodes a member of a family of proteins that bind nucleic acids and function in the formation of ribonucleoprotein complexes in the nucleus with heterogeneous nuclear RNA (hnRNA). The encoded protein has affinity for both RNA and DNA, and binds scaffold-attached region (SAR) DNA. Mutations in this gene have been associated with epileptic encephalopathy, early infantile, 54. A pseudogene of this gene has been identified on chromosome 14. [provided by RefSeq, Jun 2017]

HNRNPU Gene-Disease associations (from GenCC):

complex neurodevelopmental disorder
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
developmental and epileptic encephalopathy, 54
Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P

HNRNPU links:

ENSG00000273175 (HGNC:):

ENSG00000273175 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -19 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.46).

BP6

Variant 1-244863801-C-T is Benign according to our data. Variant chr1-244863801-C-T is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 446400.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.854 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000447 (68/152034) while in subpopulation AFR AF = 0.0014 (58/41508). AF 95% confidence interval is 0.00111. There are 0 homozygotes in GnomAd4. There are 29 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High AC in GnomAd4 at 68 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_031844.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	HNRNPU	NM_031844.3	MANE Select	c.507G>A	p.Gln169Gln	synonymous	Exon 1 of 14	NP_114032.2
	HNRNPU	NM_004501.3		c.507G>A	p.Gln169Gln	synonymous	Exon 1 of 14	NP_004492.2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
HNRNPU	ENST00000640218.2	TSL:1 MANE Select	c.507G>A	p.Gln169Gln	synonymous	Exon 1 of 14	ENSP00000491215.1
HNRNPU	ENST00000444376.7	TSL:1	c.507G>A	p.Gln169Gln	synonymous	Exon 1 of 14	ENSP00000393151.2
HNRNPU	ENST00000283179.14	TSL:5	c.507G>A	p.Gln169Gln	synonymous	Exon 1 of 12	ENSP00000283179.10

Frequencies

GnomAD3 genomes

AF:

0.000448

AC:

AN:

151916

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00140

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000459

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:

0.0000294

Gnomad OTH

AF:

0.000479

GnomAD2 exomes

AF:

0.000140

AC:

AN:

236224

AF XY:

0.000124

show subpopulations

Gnomad AFR exome

AF:

0.00147

Gnomad AMR exome

AF:

0.000237

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000951

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000672

AC:

AN:

1457262

Hom.:

Cov.:

AF XY:

0.0000566

AC XY:

AN XY:

724734

show subpopulations

African (AFR)

AF:

0.00174

AC:

AN:

33414

American (AMR)

AF:

0.000293

AC:

AN:

44356

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26000

East Asian (EAS)

AF:

0.0000253

AC:

AN:

39574

South Asian (SAS)

AF:

0.0000817

AC:

AN:

85678

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51516

Middle Eastern (MID)

AF:

0.000173

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00000450

AC:

AN:

1110790

Other (OTH)

AF:

0.000216

AC:

AN:

60170

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.502

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:

0.000447

AC:

AN:

152034

Hom.:

Cov.:

AF XY:

0.000390

AC XY:

AN XY:

74344

show subpopulations

African (AFR)

AF:

0.00140

AC:

AN:

41508

American (AMR)

AF:

0.000458

AC:

AN:

15284

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3464

East Asian (EAS)

AF:

0.00

AC:

AN:

5124

South Asian (SAS)

AF:

0.00

AC:

AN:

4808

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10598

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

67940

Other (OTH)

AF:

0.000474

AC:

AN:

2108

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.495

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:

0.000315

Hom.:

Bravo

AF:

0.000593

Asia WGS

AF:

0.000577

AC:

AN:

3478

ClinVar

ClinVar submissions as Germline

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (2)

Developmental and epileptic encephalopathy, 54 (1)

HNRNPU-related disorder (1)

Inborn genetic diseases (1)

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.46

CADD

Benign

(source)

DANN

Uncertain

0.98

PhyloP100

0.85

PromoterAI

0.032

Neutral

(source)

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

ClinVar submissions as Germline

Computational scores

Splicing

Publications

Other links and lift over