19-35125411-G-A

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_139284.3(LGI4):​c.1396C>T​(p.Leu466=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.361 in 1,608,600 control chromosomes in the GnomAD database, including 107,996 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.35 ( 9413 hom., cov: 32)
Exomes 𝑓: 0.36 ( 98583 hom. )

Consequence

LGI4
NM_139284.3 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 3.12
Variant links:
Genes affected
LGI4 (HGNC:18712): (leucine rich repeat LGI family member 4) Involved in regulation of myelination. Predicted to be located in extracellular region. Predicted to be active in extracellular space. Implicated in arthrogryposis multiplex congenita-1 and childhood absence epilepsy. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.55).
BP6
Variant 19-35125411-G-A is Benign according to our data. Variant chr19-35125411-G-A is described in ClinVar as [Benign]. Clinvar id is 1243576.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=3.12 with no splicing effect.
BA1
GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.525 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
LGI4NM_139284.3 linkuse as main transcriptc.1396C>T p.Leu466= synonymous_variant 9/9 ENST00000310123.8 NP_644813.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
LGI4ENST00000310123.8 linkuse as main transcriptc.1396C>T p.Leu466= synonymous_variant 9/91 NM_139284.3 ENSP00000312273 P1Q8N135-1

Frequencies

GnomAD3 genomes
AF:
0.348
AC:
52716
AN:
151638
Hom.:
9413
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.331
Gnomad AMI
AF:
0.277
Gnomad AMR
AF:
0.278
Gnomad ASJ
AF:
0.393
Gnomad EAS
AF:
0.244
Gnomad SAS
AF:
0.543
Gnomad FIN
AF:
0.398
Gnomad MID
AF:
0.386
Gnomad NFE
AF:
0.360
Gnomad OTH
AF:
0.312
GnomAD3 exomes
AF:
0.363
AC:
87675
AN:
241300
Hom.:
16656
AF XY:
0.377
AC XY:
49320
AN XY:
130766
show subpopulations
Gnomad AFR exome
AF:
0.325
Gnomad AMR exome
AF:
0.258
Gnomad ASJ exome
AF:
0.381
Gnomad EAS exome
AF:
0.253
Gnomad SAS exome
AF:
0.565
Gnomad FIN exome
AF:
0.405
Gnomad NFE exome
AF:
0.354
Gnomad OTH exome
AF:
0.367
GnomAD4 exome
AF:
0.363
AC:
528639
AN:
1456844
Hom.:
98583
Cov.:
43
AF XY:
0.370
AC XY:
268015
AN XY:
724218
show subpopulations
Gnomad4 AFR exome
AF:
0.323
Gnomad4 AMR exome
AF:
0.258
Gnomad4 ASJ exome
AF:
0.390
Gnomad4 EAS exome
AF:
0.238
Gnomad4 SAS exome
AF:
0.559
Gnomad4 FIN exome
AF:
0.406
Gnomad4 NFE exome
AF:
0.355
Gnomad4 OTH exome
AF:
0.360
GnomAD4 genome
AF:
0.348
AC:
52745
AN:
151756
Hom.:
9413
Cov.:
32
AF XY:
0.351
AC XY:
25996
AN XY:
74118
show subpopulations
Gnomad4 AFR
AF:
0.330
Gnomad4 AMR
AF:
0.277
Gnomad4 ASJ
AF:
0.393
Gnomad4 EAS
AF:
0.244
Gnomad4 SAS
AF:
0.542
Gnomad4 FIN
AF:
0.398
Gnomad4 NFE
AF:
0.360
Gnomad4 OTH
AF:
0.313
Alfa
AF:
0.358
Hom.:
4630
Bravo
AF:
0.330
Asia WGS
AF:
0.387
AC:
1345
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingGeneDxMay 04, 2021- -
Arthrogryposis multiplex congenita 1, neurogenic, with myelin defect Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabAug 19, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.55
CADD
Benign
7.6
DANN
Benign
0.94

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.

Other links and lift over

dbSNP: rs12610146; hg19: chr19-35616315; COSMIC: COSV59532541; COSMIC: COSV59532541; API