rs1256428

chr15-82853066-C-T

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_004839.4(HOMER2):c.652-814G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.545 in 152,074 control chromosomes in the GnomAD database, including 22,907 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.55 (22907 hom., cov: 33)
• Consequence: HOMER2 NM_004839.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.508

Genes affected

HOMER2 (HGNC:17513): (homer scaffold protein 2) This gene encodes a member of the homer family of dendritic proteins. Members of this family regulate group 1 metabotrophic glutamate receptor function. The encoded protein is a postsynaptic density scaffolding protein. Alternative splicing results in multiple transcript variants. Two related pseudogenes have been identified on chromosome 14. [provided by RefSeq, Jun 2011]

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.89).
• BA1: GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.621 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
HOMER2	NM_004839.4	c.652-814G>A		intron_variant		ENST00000450735.7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
HOMER2	ENST00000450735.7	c.652-814G>A		intron_variant		1	NM_004839.4
HOMER2	ENST00000304231.12	c.685-814G>A		intron_variant		5		P1
HOMER2	ENST00000558817.1	c.409-814G>A		intron_variant		3

Frequencies

GnomAD3 genomes AF: 0.545 AC: 82823 AN: 151956 Hom.: 22886 Cov.: 33

Gnomad AFR AF: 0.628

Gnomad AMI AF: 0.381

Gnomad AMR AF: 0.512

Gnomad ASJ AF: 0.557

Gnomad EAS AF: 0.524

Gnomad SAS AF: 0.500

Gnomad FIN AF: 0.528

Gnomad MID AF: 0.484

Gnomad NFE AF: 0.511

Gnomad OTH AF: 0.545

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.545 AC: 82890 AN: 152074 Hom.: 22907 Cov.: 33 AF XY: 0.546 AC XY: 40629 AN XY: 74366

Gnomad4 AFR AF: 0.627

Gnomad4 AMR AF: 0.511

Gnomad4 ASJ AF: 0.557

Gnomad4 EAS AF: 0.524

Gnomad4 SAS AF: 0.501

Gnomad4 FIN AF: 0.528

Gnomad4 NFE AF: 0.511

Gnomad4 OTH AF: 0.549

Alfa AF: 0.518 Hom.: 29876

Bravo AF: 0.548

Asia WGS AF: 0.559 AC: 1942 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.89
Cadd	Benign	0.42
Dann	Benign	0.40

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

Other links and lift over

dbSNP: rs1256428; hg19: chr15-83521818;