8-4630524-T-C

Variant names:

• chr8-4630524-T-C
• rs10503266
• NM_033225.6:c.302+6818A>G

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_033225.6(CSMD1):​c.302+6818A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0756 in 152,178 control chromosomes in the GnomAD database, including 648 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 0.076 (648 hom., cov: 32)
• Consequence: CSMD1 NM_033225.6 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.153
• Publications: 3 publications found

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]

CSMD1 Gene-Disease associations (from GenCC):

• autism spectrum disorder

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

  Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics

ACMG classification

Our verdict: Benign. The variant received -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.92).
• BA1: GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.177 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_033225.6. 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
	CSMD1	NM_033225.6	MANE Select	c.302+6818A>G		intron	N/A	NP_150094.5

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CSMD1	ENST00000635120.2	TSL:5 MANE Select	c.302+6818A>G		intron	N/A	ENSP00000489225.1
	CSMD1	ENST00000520002.5	TSL:5	c.302+6818A>G		intron	N/A	ENSP00000430733.1
	CSMD1	ENST00000602557.5	TSL:5	c.302+6818A>G		intron	N/A	ENSP00000473359.1

Frequencies

GnomAD3 genomes AF: 0.0756 AC: 11502 AN: 152060 Hom.: 647 Cov.: 32

Gnomad AFR AF: 0.0168

Gnomad AMI AF: 0.177

Gnomad AMR AF: 0.0713

Gnomad ASJ AF: 0.0579

Gnomad EAS AF: 0.187

Gnomad SAS AF: 0.0624

Gnomad FIN AF: 0.154

Gnomad MID AF: 0.00949

Gnomad NFE AF: 0.0929

Gnomad OTH AF: 0.0631

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

GnomAD4 genome AF: 0.0756 AC: 11500 AN: 152178 Hom.: 648 Cov.: 32 AF XY: 0.0781 AC XY: 5813 AN XY: 74396

African (AFR) AF: 0.0167 AC: 695 AN: 41516

American (AMR) AF: 0.0711 AC: 1088 AN: 15292

Ashkenazi Jewish (ASJ) AF: 0.0579 AC: 201 AN: 3470

East Asian (EAS) AF: 0.187 AC: 967 AN: 5178

South Asian (SAS) AF: 0.0618 AC: 298 AN: 4820

European-Finnish (FIN) AF: 0.154 AC: 1630 AN: 10580

Middle Eastern (MID) AF: 0.0102 AC: 3 AN: 294

European-Non Finnish (NFE) AF: 0.0929 AC: 6318 AN: 68006

Other (OTH) AF: 0.0658 AC: 139 AN: 2114

Alfa AF: 0.0812 Hom.: 579

Bravo AF: 0.0684

Asia WGS AF: 0.125 AC: 435 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.92
CADD	Benign	2.7
DANN	Benign	0.35
PhyloP100		0.15
Mutation Taster		=100/0	polymorphism (auto)

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

Other links and lift over

dbSNP: rs10503266; hg19: chr8-4488046;