Genetic Variant NDRG4:c.178-3770A>G (chr16-58500028-A-G) – 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_001378332.1(NDRG4):c.178-960A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,126 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

NDRG4
NM_001378332.1 intron

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.164

Publications

2 publications found

Variant links:

Genes affected

NDRG4 (HGNC:14466): (NDRG family member 4) This gene is a member of the N-myc downregulated gene family which belongs to the alpha/beta hydrolase superfamily. The protein encoded by this gene is a cytoplasmic protein that is required for cell cycle progression and survival in primary astrocytes and may be involved in the regulation of mitogenic signalling in vascular smooth muscles cells. Alternative splicing results in multiple transcripts encoding different isoforms.[provided by RefSeq, Jun 2011]

NDRG4 Gene-Disease associations (from GenCC):

achromatopsia
Inheritance: AR Classification: LIMITED Submitted by: G2P

NDRG4 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 (BayesDel_noAF=-0.72).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001378332.1. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	HGVSc	Effect	Exon Rank	Protein
NDRG4	NM_001378332.1	c.178-960A>G	intron	N/A	NP_001365261.1
NDRG4	NM_001378333.1	c.178-3716A>G	intron	N/A	NP_001365262.1
NDRG4	NM_001378334.1	c.178-960A>G	intron	N/A	NP_001365263.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
NDRG4	ENST00000394282.8	TSL:1	c.178-3770A>G	intron	N/A	ENSP00000377823.4	Q9ULP0-6
NDRG4	ENST00000258187.9	TSL:1	c.118-3770A>G	intron	N/A	ENSP00000258187.5	Q9ULP0-3
NDRG4	ENST00000394279.6	TSL:5	c.118-3770A>G	intron	N/A	ENSP00000377820.2	Q9ULP0-3

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152126

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000194

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

GnomAD4 exome

Data not reliable, filtered out with message: AS_VQSR

AF:

0.00000340

AC:

AN:

1176254

Hom.:

Cov.:

AF XY:

0.00000696

AC XY:

AN XY:

574654

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

25936

American (AMR)

AF:

0.00

AC:

AN:

21886

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

18300

East Asian (EAS)

AF:

0.000123

AC:

AN:

32606

South Asian (SAS)

AF:

0.00

AC:

AN:

61532

European-Finnish (FIN)

AF:

0.00

AC:

AN:

28626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

3664

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

934250

Other (OTH)

AF:

0.00

AC:

AN:

49454

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.550

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:

0.00000657

AC:

AN:

152126

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74300

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41440

American (AMR)

AF:

0.00

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.000194

AC:

AN:

5146

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68016

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.725

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.72

CADD

Benign

(source)

DANN

Benign

0.77

PhyloP100

0.16

PromoterAI

0.065

Neutral

(source)

Splicing

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over