Genetic Variant SLIT1:p.Arg1460Leu (chr10-97001338-C-A) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP2

The NM_003061.3(SLIT1):c.4379G>T(p.Arg1460Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,460,078 control chromosomes in the GnomAD database, with no homozygous occurrence. 12/18 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1460Q) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

SLIT1
NM_003061.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.76

Publications

3 publications found

Variant links:

Genes affected

SLIT1 (HGNC:11085): (slit guidance ligand 1) Enables Roundabout binding activity. Involved in axon extension involved in axon guidance; motor neuron axon guidance; and negative chemotaxis. Predicted to be located in extracellular region. Predicted to be active in extracellular space. [provided by Alliance of Genome Resources, Apr 2022]

SLIT1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP2

Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 1 curated pathogenic missense variants (we use a threshold of 10). The gene has 0 curated benign missense variants. Gene score misZ: 3.0887 (below the threshold of 3.09). Trascript score misZ: 3.2604 (above the threshold of 3.09).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SLIT1	NM_003061.3 link	c.4379G>T	p.Arg1460Leu	missense_variant	Exon 37 of 37	ENST00000266058.9	NP_003052.2	O75093-1A6H8V1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SLIT1	ENST00000266058.9 link	c.4379G>T	p.Arg1460Leu	missense_variant	Exon 37 of 37	1	NM_003061.3	ENSP00000266058.4		O75093-1
SLIT1	ENST00000371070.8 link	c.4255G>T	p.Gly1419Trp	missense_variant	Exon 37 of 37	5		ENSP00000360109.4		Q5T0V0

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000404

AC:

AN:

247258

AF XY:

0.00000745

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000290

Gnomad ASJ exome

AF:

0.00

Gnomad EAS 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:

6.85e-7

AC:

AN:

1460078

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726236

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33470

American (AMR)

AF:

0.0000224

AC:

AN:

44692

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26098

East Asian (EAS)

AF:

0.00

AC:

AN:

39676

South Asian (SAS)

AF:

0.00

AC:

AN:

86186

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52380

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5754

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111480

Other (OTH)

AF:

0.00

AC:

AN:

60342

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.13

BayesDel_addAF

Benign

-0.11

BayesDel_noAF

Benign

-0.18

CADD

Benign

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.16

Eigen

Benign

0.033

Eigen_PC

Benign

0.098

FATHMM_MKL

Uncertain

0.89

LIST_S2

Benign

0.28

M_CAP

Uncertain

0.14

MetaRNN

Uncertain

0.43

MetaSVM

Benign

-0.49

PhyloP100

1.8

PROVEAN

Benign

-0.030

REVEL

Benign

0.22

Sift

Uncertain

0.026

Sift4G

Uncertain

0.024

Vest4

0.58

MutPred

0.34

Gain of MoRF binding (P = 0.0406);

MVP

0.30

ClinPred

0.88

GERP RS

3.0

Varity_R

0.25

Mutation Taster

=72/28

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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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10-97001338-C-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over