Genetic Variant FN1:c.7362+106_7362+107delAA (chr2-215361861-GTT-G) – 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_212482.4(FN1):c.7362+106_7362+107delAA variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000507 in 985,354 control chromosomes in the GnomAD database, including 1 homozygotes. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000051 ( 1 hom. )

Failed GnomAD Quality Control

Consequence

FN1
NM_212482.4 intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.820

Publications

0 publications found

Variant links:

Genes affected

FN1 (HGNC:3778): (fibronectin 1) This gene encodes fibronectin, a glycoprotein present in a soluble dimeric form in plasma, and in a dimeric or multimeric form at the cell surface and in extracellular matrix. The encoded preproprotein is proteolytically processed to generate the mature protein. Fibronectin is involved in cell adhesion and migration processes including embryogenesis, wound healing, blood coagulation, host defense, and metastasis. The gene has three regions subject to alternative splicing, with the potential to produce 20 different transcript variants, at least one of which encodes an isoform that undergoes proteolytic processing. The full-length nature of some variants has not been determined. [provided by RefSeq, Jan 2016]

FN1 links:

ATIC (HGNC:794): (5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase/IMP cyclohydrolase) This gene encodes a bifunctional protein that catalyzes the last two steps of the de novo purine biosynthetic pathway. The N-terminal domain has phosphoribosylaminoimidazolecarboxamide formyltransferase activity, and the C-terminal domain has IMP cyclohydrolase activity. A mutation in this gene results in AICA-ribosiduria. [provided by RefSeq, Sep 2009]

ATIC Gene-Disease associations (from GenCC):

AICA-ribosiduria
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), G2P, Orphanet

ATIC links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

BS2

High AC in GnomAdExome4 at 50 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FN1	NM_212482.4 link	c.7362+106_7362+107delAA		intron_variant	Intron 45 of 45	ENST00000354785.11	NP_997647.2	P02751-15Q6MZM7Q9UQS6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FN1	ENST00000354785.11 link	c.7362+106_7362+107delAA		intron_variant	Intron 45 of 45	1	NM_212482.4	ENSP00000346839.4		P02751-15

Frequencies

GnomAD3 genomes

AF:

0.00

AC:

AN:

146806

Hom.:

Cov.:

Gnomad AFR

AF:

0.00

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000507

AC:

AN:

985354

Hom.:

AF XY:

0.0000390

AC XY:

AN XY:

486788

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

22014

American (AMR)

AF:

0.00

AC:

AN:

22242

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

17552

East Asian (EAS)

AF:

0.00

AC:

AN:

25968

South Asian (SAS)

AF:

0.00

AC:

AN:

54770

European-Finnish (FIN)

AF:

0.00

AC:

AN:

33828

Middle Eastern (MID)

AF:

0.00

AC:

AN:

2856

European-Non Finnish (NFE)

AF:

0.0000640

AC:

AN:

765340

Other (OTH)

AF:

0.0000245

AC:

AN:

40784

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.416

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: AC0

AF:

0.00

AC:

AN:

146806

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

71468

African (AFR)

AF:

0.00

AC:

AN:

40102

American (AMR)

AF:

0.00

AC:

AN:

14650

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3392

East Asian (EAS)

AF:

0.00

AC:

AN:

5052

South Asian (SAS)

AF:

0.00

AC:

AN:

4658

European-Finnish (FIN)

AF:

0.00

AC:

AN:

9478

Middle Eastern (MID)

AF:

0.00

AC:

AN:

312

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

66256

Other (OTH)

AF:

0.00

AC:

AN:

2018

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.82

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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chr2-215361861-GTT-G

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