19-35126319-G-T

Variant summary

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

The NM_139284.3(LGI4):​c.1250C>A​(p.Ala417Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000372 in 1,611,764 control chromosomes in the GnomAD database, with no homozygous occurrence. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

LGI4
NM_139284.3 missense

Scores

5
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.12
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]

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.1250C>A p.Ala417Asp 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.1250C>A p.Ala417Asp missense_variant 8/91 NM_139284.3 ENSP00000312273 P1Q8N135-1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152180
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000965
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
GnomAD3 exomes
AF:
0.00000819
AC:
2
AN:
244290
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
132592
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000587
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:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1459584
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
725890
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000449
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152180
Hom.:
0
Cov.:
32
AF XY:
0.0000404
AC XY:
3
AN XY:
74330
show subpopulations
Gnomad4 AFR
AF:
0.0000965
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:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000378

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Arthrogryposis multiplex congenita 1, neurogenic, with myelin defect Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingRevvity Omics, RevvityJun 15, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.20
BayesDel_addAF
Benign
0.0028
T
BayesDel_noAF
Benign
-0.23
CADD
Benign
23
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.64
D
Eigen
Benign
-0.074
Eigen_PC
Benign
-0.032
FATHMM_MKL
Benign
0.41
N
LIST_S2
Benign
0.51
T
M_CAP
Benign
0.081
D
MetaRNN
Uncertain
0.56
D
MetaSVM
Benign
-0.72
T
MutationAssessor
Benign
0.34
N
MutationTaster
Benign
0.93
D;D;N
PrimateAI
Uncertain
0.67
T
PROVEAN
Benign
-2.1
N
REVEL
Uncertain
0.44
Sift
Benign
0.10
T
Sift4G
Benign
0.087
T
Polyphen
0.97
D
Vest4
0.42
MutPred
0.67
Loss of sheet (P = 0.0228);
MVP
0.86
MPC
0.51
ClinPred
0.46
T
GERP RS
3.4
Varity_R
0.24
gMVP
0.93

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs974940176; hg19: chr19-35617223; API