rs775997446

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_139284.3(LGI4):​c.863G>T​(p.Trp288Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000182 in 1,538,512 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000017 ( 0 hom. )

Consequence

LGI4
NM_139284.3 missense

Scores

2
4
9

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.97
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
LGI4NM_139284.3 linkuse as main transcriptc.863G>T p.Trp288Leu missense_variant 8/9 ENST00000310123.8 NP_644813.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
LGI4ENST00000310123.8 linkuse as main transcriptc.863G>T p.Trp288Leu missense_variant 8/91 NM_139284.3 ENSP00000312273 P1Q8N135-1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152208
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.0000147
Gnomad OTH
AF:
0.000955
GnomAD3 exomes
AF:
0.00000747
AC:
1
AN:
133840
Hom.:
0
AF XY:
0.0000137
AC XY:
1
AN XY:
73176
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000245
GnomAD4 exome
AF:
0.0000173
AC:
24
AN:
1386186
Hom.:
0
Cov.:
59
AF XY:
0.0000161
AC XY:
11
AN XY:
684194
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.0000398
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000252
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000195
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152326
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74482
show subpopulations
Gnomad4 AFR
AF:
0.0000240
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.000945
Bravo
AF:
0.0000227
ExAC
AF:
0.0000315
AC:
3
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.57
BayesDel_addAF
Uncertain
0.060
T
BayesDel_noAF
Benign
-0.27
CADD
Benign
22
DANN
Benign
0.95
Eigen
Benign
-0.17
Eigen_PC
Benign
-0.15
FATHMM_MKL
Benign
0.59
D
LIST_S2
Benign
0.37
T
M_CAP
Pathogenic
0.59
D
MetaRNN
Uncertain
0.57
D
MetaSVM
Benign
-0.71
T
MutationTaster
Benign
1.0
D;D;D
PROVEAN
Uncertain
-2.6
D
REVEL
Benign
0.27
Sift
Uncertain
0.0010
D
Vest4
0.51
MutPred
0.23
Gain of MoRF binding (P = 0.0479);
MVP
0.72
ClinPred
0.43
T
GERP RS
3.3

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: rs775997446; hg19: chr19-35617610; COSMIC: COSV105189991; COSMIC: COSV105189991; API