1-1054467-C-T

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP6_Very_StrongBS1BS2

The ENST00000379370.7(AGRN):​c.5896C>T​(p.Leu1966=) variant causes a synonymous change. The variant allele was found at a frequency of 0.000651 in 1,595,066 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0035 ( 1 hom., cov: 33)
Exomes 𝑓: 0.00035 ( 2 hom. )

Consequence

AGRN
ENST00000379370.7 synonymous

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 4.77
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -16 ACMG points.

BP6
Variant 1-1054467-C-T is Benign according to our data. Variant chr1-1054467-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 474161.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0035 (533/152336) while in subpopulation AFR AF= 0.0119 (496/41580). AF 95% confidence interval is 0.0111. There are 1 homozygotes in gnomad4. There are 243 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High Homozygotes in GnomAdExome4 at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
AGRNNM_198576.4 linkuse as main transcriptc.5896C>T p.Leu1966= synonymous_variant 35/36 ENST00000379370.7 NP_940978.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
AGRNENST00000379370.7 linkuse as main transcriptc.5896C>T p.Leu1966= synonymous_variant 35/361 NM_198576.4 ENSP00000368678 P1O00468-6

Frequencies

GnomAD3 genomes
AF:
0.00350
AC:
533
AN:
152218
Hom.:
1
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0120
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00183
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000882
Gnomad OTH
AF:
0.000956
GnomAD3 exomes
AF:
0.000850
AC:
185
AN:
217720
Hom.:
1
AF XY:
0.000596
AC XY:
70
AN XY:
117402
show subpopulations
Gnomad AFR exome
AF:
0.0114
Gnomad AMR exome
AF:
0.000828
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000742
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000104
Gnomad OTH exome
AF:
0.000368
GnomAD4 exome
AF:
0.000350
AC:
505
AN:
1442730
Hom.:
2
Cov.:
32
AF XY:
0.000303
AC XY:
217
AN XY:
715820
show subpopulations
Gnomad4 AFR exome
AF:
0.0125
Gnomad4 AMR exome
AF:
0.000975
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000361
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000725
Gnomad4 OTH exome
AF:
0.000587
GnomAD4 genome
AF:
0.00350
AC:
533
AN:
152336
Hom.:
1
Cov.:
33
AF XY:
0.00326
AC XY:
243
AN XY:
74490
show subpopulations
Gnomad4 AFR
AF:
0.0119
Gnomad4 AMR
AF:
0.00183
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.000946
Alfa
AF:
0.00162
Hom.:
0
Bravo
AF:
0.00442
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenApr 01, 2023AGRN: BS1 -
Likely benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingGeneDxNov 10, 2017This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -
Congenital myasthenic syndrome 8 Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 27, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.39
CADD
Benign
15
DANN
Benign
0.90

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.28
Details are displayed if max score is > 0.2
DS_AG_spliceai
0.28
Position offset: 6

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.

Other links and lift over

dbSNP: rs115828965; hg19: chr1-989847; API