Genetic Variant ASNS:c.-60+40_-60+41insCTGCGCCCCGCGCCCTGCGCCCCGCGCCCTGCGCCCCGCGCC (chr7-97872310-T-TGGCGCGGGGCGCAGGGCGCGGGGCGCAGGGCGCGGGGCGCAG) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_001673.5(ASNS):c.-60+40_-60+41insCTGCGCCCCGCGCCCTGCGCCCCGCGCCCTGCGCCCCGCGCC variant causes a intron change involving the alteration of a non-conserved nucleotide. It is difficult to determine the true allele frequency of this variant because it is of type INS_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 0.0014 ( 1 hom., cov: 31)

Exomes 𝑓: 0.0011 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

ASNS
NM_001673.5 intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.809

Publications

8 publications found

Variant links:

Genes affected

ASNS (HGNC:753): (asparagine synthetase (glutamine-hydrolyzing)) The protein encoded by this gene is involved in the synthesis of asparagine. This gene complements a mutation in the temperature-sensitive hamster mutant ts11, which blocks progression through the G1 phase of the cell cycle at nonpermissive temperature. Alternatively spliced transcript variants have been described for this gene. [provided by RefSeq, May 2010]

ASNS Gene-Disease associations (from GenCC):

congenital microcephaly - severe encephalopathy - progressive cerebral atrophy syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Orphanet, Labcorp Genetics (formerly Invitae), ClinGen

ASNS links:

ENSG00000297732 (HGNC:):

ENSG00000297732 links:

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ACMG classification

Classification was made for transcript

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

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ASNS	NM_001673.5 link	c.-60+40_-60+41insCTGCGCCCCGCGCCCTGCGCCCCGCGCCCTGCGCCCCGCGCC		intron_variant	Intron 1 of 12	ENST00000394308.8	NP_001664.3	P08243-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ASNS	ENST00000394308.8 link	c.-60+40_-60+41insCTGCGCCCCGCGCCCTGCGCCCCGCGCCCTGCGCCCCGCGCC		intron_variant	Intron 1 of 12	1	NM_001673.5	ENSP00000377845.3		P08243-1

Frequencies

GnomAD3 genomes

AF:

0.00138

AC:

208

AN:

150392

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00433

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000460

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00234

Gnomad SAS

AF:

0.000621

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000118

Gnomad OTH

AF:

0.00241

GnomAD4 exome

Data not reliable, filtered out with message: AS_VQSR

AF:

0.00106

AC:

AN:

940

Hom.:

Cov.:

AF XY:

0.00142

AC XY:

AN XY:

706

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

American (AMR)

AF:

0.00

AC:

AN:

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

East Asian (EAS)

AF:

0.00

AC:

AN:

South Asian (SAS)

AF:

0.00

AC:

AN:

European-Finnish (FIN)

AF:

0.00

AC:

AN:

Middle Eastern (MID)

AF:

0.00

AC:

AN:

European-Non Finnish (NFE)

AF:

0.00125

AC:

AN:

798

Other (OTH)

AF:

0.00

AC:

AN:

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Data not reliable, filtered out with message: AS_VQSR

AF:

0.00138

AC:

208

AN:

150510

Hom.:

Cov.:

AF XY:

0.00145

AC XY:

107

AN XY:

73594

show subpopulations

African (AFR)

AF:

0.00432

AC:

173

AN:

40084

American (AMR)

AF:

0.000460

AC:

AN:

15222

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3460

East Asian (EAS)

AF:

0.00235

AC:

AN:

5110

South Asian (SAS)

AF:

0.000622

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10606

Middle Eastern (MID)

AF:

0.00

AC:

AN:

292

European-Non Finnish (NFE)

AF:

0.000118

AC:

AN:

67904

Other (OTH)

AF:

0.00239

AC:

AN:

2096

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.470

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

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

-0.81

Mutation Taster

=100/0

polymorphism

(source)

Splicing

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

Publications

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7-97872310-TGGCGCGGGGCGCAG-TGGCGCGGGGCGCAGGGCGCGGGGCGCAGGGCGCGGGGCGCAGGGCGCGGGGCGCAG

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over