chr7-103542700-GT-G

Variant names:

• chr7-103542700-GT-G
• rs150971291
• NM_005045.4:c.6671+30delA

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS1

The NM_005045.4(RELN):​c.6671+30delA variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000023 in 1,611,638 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: 𝑓 0.000013 (0 hom., cov: 32)
  • Exomes 𝑓: 0.000024 (0 hom.)
• Consequence: RELN NM_005045.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.214
• Publications: 0 publications found

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 Gene-Disease associations (from GenCC):

• lissencephaly with cerebellar hypoplasia

  Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
• Norman-Roberts syndrome

  Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: Illumina, Labcorp Genetics (formerly Invitae), Ambry Genetics, Orphanet, G2P, PanelApp Australia
• familial temporal lobe epilepsy 7

  Inheritance: AD Classification: STRONG, MODERATE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)
• autosomal dominant epilepsy with auditory features

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• ankylosing spondylitis

  Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
• complex neurodevelopmental disorder

  Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

ACMG classification

Our verdict: Likely_benign. The variant received -4 ACMG points.

• BS1: Variant frequency is greater than expected in population amr. GnomAdExome4 allele frequency = 0.000024 (35/1459574) while in subpopulation AMR AF = 0.000761 (34/44702). AF 95% confidence interval is 0.000559. There are 0 homozygotes in GnomAdExome4. There are 14 alleles in the male GnomAdExome4 subpopulation. Median coverage is 31. This position passed quality control check.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005045.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RELN	NM_005045.4	MANE Select	c.6671+30delA		intron	N/A	NP_005036.2
	RELN	NM_173054.3		c.6671+30delA		intron	N/A	NP_774959.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RELN	ENST00000428762.6	TSL:5 MANE Select	c.6671+30delA		intron	N/A	ENSP00000392423.1
	RELN	ENST00000424685.3	TSL:5	c.6671+30delA		intron	N/A	ENSP00000388446.3
	RELN	ENST00000343529.9	TSL:5	c.6671+30delA		intron	N/A	ENSP00000345694.5

Frequencies

GnomAD3 genomes AF: 0.0000132 AC: 2 AN: 152064 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

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: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.000108 AC: 27 AN: 251014 AF XY: 0.0000663

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.000781

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: 0.0000240 AC: 35 AN: 1459574 Hom.: 0 Cov.: 31 AF XY: 0.0000193 AC XY: 14 AN XY: 726222

African (AFR) AF: 0.00 AC: 0 AN: 33412

American (AMR) AF: 0.000761 AC: 34 AN: 44702

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26066

East Asian (EAS) AF: 0.0000253 AC: 1 AN: 39600

South Asian (SAS) AF: 0.00 AC: 0 AN: 86224

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53320

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5764

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1110214

Other (OTH) AF: 0.00 AC: 0 AN: 60272

GnomAD4 genome AF: 0.0000132 AC: 2 AN: 152064 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74266

African (AFR) AF: 0.00 AC: 0 AN: 41404

American (AMR) AF: 0.000131 AC: 2 AN: 15272

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3468

East Asian (EAS) AF: 0.00 AC: 0 AN: 5184

South Asian (SAS) AF: 0.00 AC: 0 AN: 4824

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10586

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68008

Other (OTH) AF: 0.00 AC: 0 AN: 2090

Alfa AF: 0.0000365 Hom.: 0

Bravo AF: 0.0000567

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
PhyloP100		0.21

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.16		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: rs150971291; hg19: chr7-103183147; COSMIC: COSV100632121; COSMIC: COSV100632121;