Variant 1-1041987-C-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Benign. Variant got -11 ACMG points: 2P and 13B. PM2BP4_StrongBP6_Very_StrongBP7

The NM_198576.4(AGRN):c.1209C>T(p.Ala403Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00038 in 1,611,578 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 0.00027 ( 0 hom., cov: 34)

Exomes 𝑓: 0.00039 ( 0 hom. )

Consequence

AGRN
NM_198576.4 synonymous

Scores

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -4.04

Variant links:

Genes affected

AGRN (HGNC:329): (agrin) This gene encodes one of several proteins that are critical in the development of the neuromuscular junction (NMJ), as identified in mouse knock-out studies. The encoded protein contains several laminin G, Kazal type serine protease inhibitor, and epidermal growth factor domains. Additional post-translational modifications occur to add glycosaminoglycans and disulfide bonds. In one family with congenital myasthenic syndrome affecting limb-girdle muscles, a mutation in this gene was found. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Mar 2015]

AGRN links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -11 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.72).

BP6

Variant 1-1041987-C-T is Benign according to our data. Variant chr1-1041987-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 541201.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-4.04 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
AGRN	NM_198576.4 linkuse as main transcript	c.1209C>T	p.Ala403Ala	synonymous_variant	7/36	ENST00000379370.7	NP_940978.2	O00468-6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	UniProt
AGRN	ENST00000379370.7 linkuse as main transcript	c.1209C>T	p.Ala403Ala	synonymous_variant	7/36	1	NM_198576.4	ENSP00000368678.2	O00468-6
AGRN	ENST00000651234.1 linkuse as main transcript	c.894C>T	p.Ala298Ala	synonymous_variant	6/38			ENSP00000499046.1	A0A494C1I6
AGRN	ENST00000652369.1 linkuse as main transcript	c.894C>T	p.Ala298Ala	synonymous_variant	6/35			ENSP00000498543.1	A0A494C0G5
AGRN	ENST00000620552.4 linkuse as main transcript	c.795C>T	p.Ala265Ala	synonymous_variant	7/39	5		ENSP00000484607.1	A0A087X208

Frequencies

GnomAD3 genomes

AF:

0.000269

AC:

AN:

152190

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000145

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.000865

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.0000941

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000441

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.000220

AC:

AN:

245250

Hom.:

AF XY:

0.000224

AC XY:

AN XY:

133788

show subpopulations

Gnomad AFR exome

AF:

0.000127

Gnomad AMR exome

AF:

0.000232

Gnomad ASJ exome

AF:

0.000803

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000327

Gnomad FIN exome

AF:

0.000194

Gnomad NFE exome

AF:

0.000264

Gnomad OTH exome

AF:

0.000331

GnomAD4 exome

AF:

0.000392

AC:

572

AN:

1459388

Hom.:

Cov.:

AF XY:

0.000361

AC XY:

262

AN XY:

726084

show subpopulations

Gnomad4 AFR exome

AF:

0.000120

Gnomad4 AMR exome

AF:

0.000246

Gnomad4 ASJ exome

AF:

0.00107

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.000252

Gnomad4 NFE exome

AF:

0.000431

Gnomad4 OTH exome

AF:

0.000564

GnomAD4 genome

AF:

0.000269

AC:

AN:

152190

Hom.:

Cov.:

AF XY:

0.000229

AC XY:

AN XY:

74346

show subpopulations

Gnomad4 AFR

AF:

0.000145

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.000865

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.0000941

Gnomad4 NFE

AF:

0.000441

Gnomad4 OTH

AF:

0.000478

Alfa

AF:

0.000312

Hom.:

Bravo

AF:

0.000261

EpiCase

AF:

0.000382

EpiControl

AF:

0.000237

ClinVar

Significance: Likely benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

CeGaT Center for Human Genetics Tuebingen

Aug 01, 2023

AGRN: BP4, BP7 -

Congenital myasthenic syndrome 8

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jan 25, 2024

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.72

CADD

Benign

0.23

DANN

Benign

0.77

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.8

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over