rs9855

Variant names:

• chr15-77615359-G-A
• rs9855
• NM_032808.7:c.548C>T

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2 PP3_Moderate

The NM_032808.7(LINGO1):​c.548C>T​(p.Ser183Phe) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,654 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 13/22 in silico tools predict a damaging outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: LINGO1 NM_032808.7 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 10.0
• Publications: 4 publications found

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]

LINGO1 Gene-Disease associations (from GenCC):

• intellectual disability, autosomal recessive 64

  Inheritance: AR, Unknown Classification: LIMITED Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)

LOC105370906 (HGNC:):

ACMG classification

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.866

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032808.7. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	LINGO1	NM_032808.7	MANE Select	c.548C>T	p.Ser183Phe	missense	Exon 2 of 2	NP_116197.4
	LINGO1	NM_001301186.2		c.530C>T	p.Ser177Phe	missense	Exon 6 of 6	NP_001288115.1	Q96FE5-2
	LINGO1	NM_001301187.2		c.530C>T	p.Ser177Phe	missense	Exon 6 of 6	NP_001288116.1	Q96FE5-2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	LINGO1	ENST00000355300.7	TSL:1 MANE Select	c.548C>T	p.Ser183Phe	missense	Exon 2 of 2	ENSP00000347451.6	Q96FE5-1
	LINGO1	ENST00000561030.5	TSL:1	c.530C>T	p.Ser177Phe	missense	Exon 4 of 4	ENSP00000453853.1	Q96FE5-2
	LINGO1	ENST00000557798.1	TSL:3	c.563C>T	p.Ser188Phe	missense	Exon 2 of 2	ENSP00000453780.1	H0YMX3

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461654 Hom.: 0 Cov.: 68 AF XY: 0.00000138 AC XY: 1 AN XY: 727112

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.0000116 AC: 1 AN: 86252

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53354

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111866

Other (OTH) AF: 0.00 AC: 0 AN: 60374

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	1.0
BayesDel_addAF	Pathogenic	0.43	D
BayesDel_noAF	Pathogenic	0.39
CADD	Pathogenic	33
DANN	Uncertain	1.0
DEOGEN2	Uncertain	0.61	D
Eigen	Pathogenic	0.94
Eigen_PC	Pathogenic	0.91
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Pathogenic	0.99	D
M_CAP	Pathogenic	0.39	D
MetaRNN	Pathogenic	0.87	D
MetaSVM	Uncertain	0.47	D
MutationAssessor	Uncertain	2.4	M
PhyloP100		10
PrimateAI	Pathogenic	0.86	D
PROVEAN	Pathogenic	-4.7	D
REVEL	Pathogenic	0.68
Sift	Uncertain	0.0010	D
Sift4G	Uncertain	0.031	D
Polyphen		1.0	D
Vest4		0.81
MutPred		0.24		Gain of helix (P = 0.062)
MVP		0.93
MPC		1.8
ClinPred		0.99	D
GERP RS		5.4
Varity_R		0.97
gMVP		0.76

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

Other links and lift over

dbSNP: rs9855; hg19: chr15-77907701;