8-18556550-C-T

Variant names:

• chr8-18556550-C-T
• rs17126808
• NM_015310.4:c.2785-198G>A

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_015310.4(PSD3):​c.2785-198G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. 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: not found (cov: 33)
• Consequence: PSD3 NM_015310.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.312
• Publications: 4 publications found

Genes affected

PSD3 (HGNC:19093): (pleckstrin and Sec7 domain containing 3) Predicted to enable guanyl-nucleotide exchange factor activity and phospholipid binding activity. Predicted to be involved in regulation of ARF protein signal transduction and regulation of catalytic activity. Predicted to be located in membrane. Predicted to be active in ruffle membrane. [provided by Alliance of Genome Resources, Apr 2022]

PSD3 Gene-Disease associations (from GenCC):

• antecubital pterygium syndrome

  Inheritance: AD Classification: LIMITED Submitted by: ClinGen

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.88).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_015310.4. 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
	PSD3	NM_015310.4	MANE Select	c.2785-198G>A		intron	N/A	NP_056125.3
	PSD3	NM_001412866.1		c.3169-198G>A		intron	N/A	NP_001399795.1
	PSD3	NM_001412865.1		c.3088-198G>A		intron	N/A	NP_001399794.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PSD3	ENST00000327040.13	TSL:1 MANE Select	c.2785-198G>A		intron	N/A	ENSP00000324127.8
	PSD3	ENST00000523619.5	TSL:1	c.2590-198G>A		intron	N/A	ENSP00000430640.1
	PSD3	ENST00000286485.12	TSL:1	c.1183-198G>A		intron	N/A	ENSP00000286485.8

Frequencies

GnomAD3 genomes Cov.: 33

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

GnomAD4 genome Cov.: 33

Alfa AF: 0.00 Hom.: 0

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.88
CADD	Benign	0.79
DANN	Benign	0.77
PhyloP100		-0.31

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: rs17126808; hg19: chr8-18414060;