Genetic Variant NOS3:c.1752+110_1752+149delACACACACACACACACACACACACACACACACACACACAC (chr7-151002383-AACACACACACACACACACACACACACACACACACACACAC-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS2

The NM_000603.5(NOS3):c.1752+110_1752+149delACACACACACACACACACACACACACACACACACACACAC variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000553 in 271,094 control chromosomes in the GnomAD database, with no homozygous occurrence. It is difficult to determine the true allele frequency of this variant because it is of type DEL_BIG, and the frequency of such variant types in population databases may be underestimated and unreliable. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000092 ( 0 hom., cov: 0)

Exomes 𝑓: 0.000044 ( 0 hom. )

Consequence

NOS3
NM_000603.5 intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.908

Publications

9 publications found

Variant links:

Genes affected

NOS3 (HGNC:7876): (nitric oxide synthase 3) Nitric oxide is a reactive free radical which acts as a biologic mediator in several processes, including neurotransmission and antimicrobial and antitumoral activities. Nitric oxide is synthesized from L-arginine by nitric oxide synthases. Variations in this gene are associated with susceptibility to coronary spasm. Alternative splicing and the use of alternative promoters results in multiple transcript variants. [provided by RefSeq, Oct 2016]

NOS3 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BS2

High AC in GnomAd4 at 6 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000603.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
NOS3	NM_000603.5	MANE Select	c.1752+110_1752+149delACACACACACACACACACACACACACACACACACACACAC	intron	N/A	NP_000594.2
NOS3	NM_001160111.1		c.1752+110_1752+149delACACACACACACACACACACACACACACACACACACACAC	intron	N/A	NP_001153583.1	P29474-2
NOS3	NM_001160110.1		c.1752+110_1752+149delACACACACACACACACACACACACACACACACACACACAC	intron	N/A	NP_001153582.1	P29474-3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
NOS3	ENST00000297494.8	TSL:1 MANE Select	c.1752+80_1752+119delACACACACACACACACACACACACACACACACACACACAC	intron	N/A	ENSP00000297494.3	P29474-1
NOS3	ENST00000484524.5	TSL:1	c.1752+80_1752+119delACACACACACACACACACACACACACACACACACACACAC	intron	N/A	ENSP00000420215.1	P29474-2
NOS3	ENST00000467517.1	TSL:1	c.1752+80_1752+119delACACACACACACACACACACACACACACACACACACACAC	intron	N/A	ENSP00000420551.1	P29474-3

Frequencies

GnomAD3 genomes

AF:

0.0000920

AC:

AN:

65212

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000114

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:

0.0000940

Gnomad OTH

AF:

0.00117

GnomAD4 exome

AF:

0.0000437

AC:

AN:

205824

Hom.:

AF XY:

0.0000614

AC XY:

AN XY:

113952

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

6834

American (AMR)

AF:

0.00

AC:

AN:

19016

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

6864

East Asian (EAS)

AF:

0.000133

AC:

AN:

7492

South Asian (SAS)

AF:

0.0000518

AC:

AN:

38614

European-Finnish (FIN)

AF:

0.00

AC:

AN:

9822

Middle Eastern (MID)

AF:

0.00119

AC:

AN:

842

European-Non Finnish (NFE)

AF:

0.0000471

AC:

AN:

106196

Other (OTH)

AF:

0.00

AC:

AN:

10144

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

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:

0.0000919

AC:

AN:

65270

Hom.:

Cov.:

AF XY:

0.0000998

AC XY:

AN XY:

30074

show subpopulations

African (AFR)

AF:

0.000113

AC:

AN:

17688

American (AMR)

AF:

0.00

AC:

AN:

5584

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2006

East Asian (EAS)

AF:

0.00

AC:

AN:

2310

South Asian (SAS)

AF:

0.00

AC:

AN:

1566

European-Finnish (FIN)

AF:

0.00

AC:

AN:

2778

Middle Eastern (MID)

AF:

0.00

AC:

AN:

132

European-Non Finnish (NFE)

AF:

0.0000940

AC:

AN:

31904

Other (OTH)

AF:

0.00115

AC:

AN:

868

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.683

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.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.91

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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7-151002383-AACACACACACACACACACACACACACACACACACACACACACACAC-AACACAC

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