chr7-127694896-A-T

Variant names:

• chr7-127694896-A-T
• rs1795980541
• NM_014390.4:c.297A>T

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_Strong BS2

The NM_014390.4(SND1):​c.297A>T​(p.Ile99Ile) variant causes a synonymous change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000609 in 1,461,646 control chromosomes in the GnomAD database, with no homozygous occurrence. 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: 32)
  • Exomes 𝑓: 0.000061 (0 hom.)
• Consequence: SND1 NM_014390.4 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 7.63
• Publications: 0 publications found

Genes affected

SND1 (HGNC:30646): (staphylococcal nuclease and tudor domain containing 1) This gene encodes a transcriptional co-activator that interacts with the acidic domain of Epstein-Barr virus nuclear antigen 2 (EBNA 2), a transcriptional activator that is required for B-lymphocyte transformation. Other transcription factors that interact with this protein are signal transducers and activators of transcription, STATs. This protein is also thought to be essential for normal cell growth. A similar protein in mammals and other organisms is a component of the RNA-induced silencing complex (RISC). [provided by RefSeq, Jul 2016]

ACMG classification

Our verdict: Benign. The variant received -8 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.49).
• BS2: High AC in GnomAdExome4 at 89 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SND1	NM_014390.4	c.297A>T	p.Ile99Ile	synonymous_variant	Exon 3 of 24	ENST00000354725.8	NP_055205.2
SND1	XM_017011987.3	c.297A>T	p.Ile99Ile	synonymous_variant	Exon 3 of 17		XP_016867476.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SND1	ENST00000354725.8	c.297A>T	p.Ile99Ile	synonymous_variant	Exon 3 of 24	1	NM_014390.4	ENSP00000346762.3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 0.0000609 AC: 89 AN: 1461646 Hom.: 0 Cov.: 30 AF XY: 0.0000481 AC XY: 35 AN XY: 727110

African (AFR) AF: 0.00 AC: 0 AN: 33472

American (AMR) AF: 0.00 AC: 0 AN: 44706

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86212

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53416

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.0000791 AC: 88 AN: 1111848

Other (OTH) AF: 0.0000166 AC: 1 AN: 60388

GnomAD4 genome Cov.: 32

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000756

EpiCase AF: 0.0000545

EpiControl AF: 0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.49
CADD	Benign	13
DANN	Benign	0.80
PhyloP100		7.6
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7

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: rs1795980541; hg19: chr7-127334950;