8-3974558-T-G

Position:

• chr8-3974558-T-G

Variant summary

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

The NM_033225.6(CSMD1):​c.818+23345A>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.592 in 151,866 control chromosomes in the GnomAD database, including 27,346 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 0.59 (27346 hom., cov: 33)
• Consequence: CSMD1 NM_033225.6 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.172

Genes affected

CSMD1 (HGNC:14026): (CUB and Sushi multiple domains 1) Predicted to act upstream of or within several processes, including learning or memory; mammary gland branching involved in pregnancy; and reproductive structure development. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

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 (EAS) allele frequency at 95% confidence interval = 0.731 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
CSMD1	NM_033225.6	c.818+23345A>C		intron_variant		ENST00000635120.2	NP_150094.5
CSMD1	XM_011534752.3	c.818+23345A>C		intron_variant			XP_011533054.1
CSMD1	XM_017013731.2	c.818+23345A>C		intron_variant			XP_016869220.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
CSMD1	ENST00000635120.2	c.818+23345A>C		intron_variant		5	NM_033225.6	ENSP00000489225.1

Frequencies

GnomAD3 genomes AF: 0.592 AC: 89776 AN: 151748 Hom.: 27309 Cov.: 33

Gnomad AFR AF: 0.725

Gnomad AMI AF: 0.493

Gnomad AMR AF: 0.579

Gnomad ASJ AF: 0.519

Gnomad EAS AF: 0.751

Gnomad SAS AF: 0.663

Gnomad FIN AF: 0.583

Gnomad MID AF: 0.563

Gnomad NFE AF: 0.502

Gnomad OTH AF: 0.589

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

GnomAD4 genome AF: 0.592 AC: 89873 AN: 151866 Hom.: 27346 Cov.: 33 AF XY: 0.599 AC XY: 44488 AN XY: 74234

Gnomad4 AFR AF: 0.725

Gnomad4 AMR AF: 0.579

Gnomad4 ASJ AF: 0.519

Gnomad4 EAS AF: 0.751

Gnomad4 SAS AF: 0.662

Gnomad4 FIN AF: 0.583

Gnomad4 NFE AF: 0.502

Gnomad4 OTH AF: 0.593

Alfa AF: 0.510 Hom.: 14515

Bravo AF: 0.594

Asia WGS AF: 0.685 AC: 2342 AN: 3418

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.89
CADD	Benign	0.98
DANN	Benign	0.80

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: rs2049306; hg19: chr8-3832080;