7-103636413-T-C

Position:

chr7-103636413-T-C

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 1P and 3B. PP2BP4_ModerateBS1_Supporting

The NM_005045.4(RELN):c.2125A>G(p.Met709Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000136 in 1,613,830 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. M709L) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00016 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00013 ( 0 hom. )

Consequence

RELN
NM_005045.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:5B:1

Conservation

PhyloP100: 2.26

Variant links:

Genes affected

RELN (HGNC:9957): (reelin) This gene encodes a large secreted extracellular matrix protein thought to control cell-cell interactions critical for cell positioning and neuronal migration during brain development. This protein may be involved in schizophrenia, autism, bipolar disorder, major depression and in migration defects associated with temporal lobe epilepsy. Mutations of this gene are associated with autosomal recessive lissencephaly with cerebellar hypoplasia. Two transcript variants encoding distinct isoforms have been identified for this gene. Other transcript variants have been described but their full length nature has not been determined. [provided by RefSeq, Jul 2008]

RELN links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PP2

Missense variant in gene, where missense usually causes diseases (based on misZ statistic), RELN. . Gene score misZ 2.2497 (greater than the threshold 3.09). Trascript score misZ 4.2638 (greater than threshold 3.09). GenCC has associacion of gene with ankylosing spondylitis, lissencephaly with cerebellar hypoplasia, Norman-Roberts syndrome, complex neurodevelopmental disorder, autosomal dominant epilepsy with auditory features, familial temporal lobe epilepsy 7.

BP4

Computational evidence support a benign effect (MetaRNN=0.09546086).

BS1

Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.000164 (25/152118) while in subpopulation NFE AF= 0.00025 (17/68018). AF 95% confidence interval is 0.000159. There are 0 homozygotes in gnomad4. There are 9 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
RELN	NM_005045.4 linkuse as main transcript	c.2125A>G	p.Met709Val	missense_variant	18/65	ENST00000428762.6	NP_005036.2
RELN	NM_173054.3 linkuse as main transcript	c.2125A>G	p.Met709Val	missense_variant	18/64		NP_774959.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
RELN	ENST00000428762.6 linkuse as main transcript	c.2125A>G	p.Met709Val	missense_variant	18/65	5	NM_005045.4	ENSP00000392423	P5	P78509-1

Frequencies

GnomAD3 genomes

AF:

0.000164

AC:

AN:

152118

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000966

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000131

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.0000942

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000250

Gnomad OTH

AF:

0.000478

GnomAD3 exomes

AF:

0.0000718

AC:

AN:

250862

Hom.:

AF XY:

0.0000664

AC XY:

AN XY:

135570

show subpopulations

Gnomad AFR exome

AF:

0.000185

Gnomad AMR exome

AF:

0.0000290

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000109

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000462

Gnomad NFE exome

AF:

0.0000971

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000133

AC:

195

AN:

1461712

Hom.:

Cov.:

AF XY:

0.000128

AC XY:

AN XY:

727156

show subpopulations

Gnomad4 AFR exome

AF:

0.000119

Gnomad4 AMR exome

AF:

0.0000224

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000101

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.0000187

Gnomad4 NFE exome

AF:

0.000162

Gnomad4 OTH exome

AF:

0.0000828

GnomAD4 genome

AF:

0.000164

AC:

AN:

152118

Hom.:

Cov.:

AF XY:

0.000121

AC XY:

AN XY:

74296

show subpopulations

Gnomad4 AFR

AF:

0.0000966

Gnomad4 AMR

AF:

0.000131

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.0000942

Gnomad4 NFE

AF:

0.000250

Gnomad4 OTH

AF:

0.000478

Alfa

AF:

0.000177

Hom.:

Bravo

AF:

0.000140

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.00

AC:

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000412

AC:

EpiCase

AF:

0.000164

EpiControl

AF:

0.000237

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:5Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:2

Uncertain significance, criteria provided, single submitter	clinical testing	Eurofins Ntd Llc (ga)	Jul 08, 2014	- -
Uncertain significance, criteria provided, single submitter	clinical testing	CeGaT Center for Human Genetics Tuebingen	Jun 01, 2024	- -

Norman-Roberts syndrome;C4225327:Familial temporal lobe epilepsy 7;C4551957:Epilepsy, familial temporal lobe, 1

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Fulgent Genetics, Fulgent Genetics

Apr 20, 2022

- -

Inborn genetic diseases

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Feb 10, 2022

The c.2125A>G (p.M709V) alteration is located in exon 18 (coding exon 18) of the RELN gene. This alteration results from a A to G substitution at nucleotide position 2125, causing the methionine (M) at amino acid position 709 to be replaced by a valine (V). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Familial temporal lobe epilepsy 7

Uncertain:1

Uncertain significance, criteria provided, single submitter

not provided

Institute of Human Genetics, University Hospital of Duesseldorf

- -

Norman-Roberts syndrome;C4225327:Familial temporal lobe epilepsy 7

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Oct 06, 2023

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.053

BayesDel_addAF

Benign

-0.42

BayesDel_noAF

Benign

-0.56

CADD

Benign

DANN

Benign

0.83

DEOGEN2

Benign

0.077

T;.;.

Eigen

Benign

-0.74

Eigen_PC

Benign

-0.47

FATHMM_MKL

Benign

0.15

LIST_S2

Benign

0.75

T;T;T

M_CAP

Benign

0.0053

MetaRNN

Benign

0.095

T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

-0.90

N;N;.

MutationTaster

Benign

0.72

N;N;N

PrimateAI

Uncertain

0.51

PROVEAN

Benign

-0.99

N;N;N

REVEL

Benign

0.12

Sift

Benign

0.30

T;T;T

Sift4G

Benign

1.0

T;T;T

Polyphen

0.0

B;B;.

Vest4

0.20

MVP

0.093

MPC

0.17

ClinPred

0.0058

GERP RS

3.4

Varity_R

0.10

gMVP

0.44

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

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over