rs34904447

Positions:

• chr15-77615022-G-A
• chr15-77615022-G-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_032808.7(LINGO1):​c.885C>T​(p.Ser295=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000176 in 1,613,942 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: 𝑓 0.000072 (0 hom., cov: 33)
  • Exomes 𝑓: 0.00019 (0 hom.)
• Consequence: LINGO1 NM_032808.7 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.89

Genes affected

LINGO1 (HGNC:21205): (leucine rich repeat and Ig domain containing 1) Predicted to enable epidermal growth factor receptor binding activity. Predicted to act upstream of or within generation of neurons and protein kinase B signaling. Predicted to be located in plasma membrane. Predicted to be active in extracellular matrix and extracellular space. Implicated in autosomal recessive non-syndromic intellectual disability and glaucoma. [provided by Alliance of Genome Resources, Apr 2022]

LOC105370906 (HGNC:):

ACMG classification

Verdict is Likely_benign. Variant got -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.5).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
LINGO1	NM_032808.7	c.885C>T	p.Ser295=	synonymous_variant	2/2	ENST00000355300.7
LOC105370906	XR_001751806.2	n.689-15263G>A		intron_variant, non_coding_transcript_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
LINGO1	ENST00000355300.7	c.885C>T	p.Ser295=	synonymous_variant	2/2	1	NM_032808.7	A1
LINGO1	ENST00000561030.5	c.867C>T	p.Ser289=	synonymous_variant	4/4	1		P4
LINGO1	ENST00000557798.1	c.900C>T	p.Ser300=	synonymous_variant	2/2	3

Frequencies

GnomAD3 genomes AF: 0.0000723 AC: 11 AN: 152238 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.00

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: 0.000162

Gnomad OTH AF: 0.00

GnomAD3 exomes AF: 0.0000762 AC: 19 AN: 249278 Hom.: 0 AF XY: 0.0000740 AC XY: 10 AN XY: 135224

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: 0.000168

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.000187 AC: 273 AN: 1461704 Hom.: 0 Cov.: 56 AF XY: 0.000188 AC XY: 137 AN XY: 727136

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

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: 0.000241

Gnomad4 OTH exome AF: 0.0000828

GnomAD4 genome AF: 0.0000723 AC: 11 AN: 152238 Hom.: 0 Cov.: 33 AF XY: 0.0000672 AC XY: 5 AN XY: 74370

Gnomad4 AFR AF: 0.00

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: 0.000162

Gnomad4 OTH AF: 0.00

Alfa AF: 0.000148 Hom.: 0

Bravo AF: 0.0000831

EpiCase AF: 0.00

EpiControl AF: 0.000178

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.50
CADD	Benign	13
DANN	Benign	0.71

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

Other links and lift over

dbSNP: rs34904447; hg19: chr15-77907364; COSMIC: COSV62439002; COSMIC: COSV62439002;