Genetic Variant NM_032808.7:c.1557C>T (chr15-77614350-G-A) – ACMG Classification: Benign (-17 pts)

Variant summary

Our verdict is Benign. The variant received -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS2

The NM_032808.7(LINGO1):c.1557C>T(p.Pro519Pro) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000631 in 1,613,882 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0030 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00038 ( 3 hom. )

Consequence

LINGO1
NM_032808.7 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -0.638

Publications

3 publications found

Variant links:

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)

LINGO1 links:

LOC105370906 (HGNC:):

LOC105370906 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -17 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.59).

BP6

Variant 15-77614350-G-A is Benign according to our data. Variant chr15-77614350-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 776935.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-0.638 with no splicing effect.

BS2

High Homozygotes in GnomAdExome4 at 3 Unknown,AR gene

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

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
LINGO1	NM_032808.7	MANE Select	c.1557C>T	p.Pro519Pro	synonymous	Exon 2 of 2	NP_116197.4
LINGO1	NM_001301186.2		c.1539C>T	p.Pro513Pro	synonymous	Exon 6 of 6	NP_001288115.1	Q96FE5-2
LINGO1	NM_001301187.2		c.1539C>T	p.Pro513Pro	synonymous	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.1557C>T	p.Pro519Pro	synonymous	Exon 2 of 2	ENSP00000347451.6	Q96FE5-1
	LINGO1	ENST00000561030.5	TSL:1	c.1539C>T	p.Pro513Pro	synonymous	Exon 4 of 4	ENSP00000453853.1	Q96FE5-2

Frequencies

GnomAD3 genomes

AF:

0.00301

AC:

458

AN:

152238

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0108

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000458

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:

0.0000294

Gnomad OTH

AF:

0.00144

GnomAD2 exomes

AF:

0.000849

AC:

211

AN:

248626

AF XY:

0.000615

show subpopulations

Gnomad AFR exome

AF:

0.0120

Gnomad AMR exome

AF:

0.000464

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000355

Gnomad OTH exome

AF:

0.000331

GnomAD4 exome

AF:

0.000383

AC:

560

AN:

1461526

Hom.:

Cov.:

AF XY:

0.000319

AC XY:

232

AN XY:

727044

show subpopulations

African (AFR)

AF:

0.0140

AC:

470

AN:

33480

American (AMR)

AF:

0.000492

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000580

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.0000188

AC:

AN:

53238

Middle Eastern (MID)

AF:

0.000347

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000216

AC:

AN:

1111860

Other (OTH)

AF:

0.000596

AC:

AN:

60370

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.483

Heterozygous variant carriers

121

162

202

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

100

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00301

AC:

458

AN:

152356

Hom.:

Cov.:

AF XY:

0.00310

AC XY:

231

AN XY:

74504

show subpopulations

African (AFR)

AF:

0.0107

AC:

446

AN:

41592

American (AMR)

AF:

0.000457

AC:

AN:

15302

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5180

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10630

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68028

Other (OTH)

AF:

0.00142

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.497

Heterozygous variant carriers

102

128

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00171

Hom.:

Bravo

AF:

0.00352

Asia WGS

AF:

0.00115

AC:

AN:

3478

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

ClinVar submissions

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (2)

LINGO1-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.59

CADD

Benign

6.4

(source)

DANN

Benign

0.81

PhyloP100

-0.64

Mutation Taster

=100/0

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over