3-113556777-A-T

Position:

• chr3-113556777-A-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_017699.3(SIDT1):​c.223-9643A>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000134 in 149,632 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: 𝑓 0.000013 (0 hom., cov: 27)
• Consequence: SIDT1 NM_017699.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.276

Genes affected

SIDT1 (HGNC:25967): (SID1 transmembrane family member 1) The protein encoded by this gene belongs to SID1 family of transmembrane dsRNA-gated channels. Family members transport dsRNA into cells and are required for systemic RNA interference. [provided by RefSeq, May 2017]

SIDT1 (HGNC:):

ACMG classification

Verdict is Likely_benign. Variant got -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.92).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
SIDT1	NM_017699.3	c.223-9643A>T		intron_variant		ENST00000264852.9	NP_060169.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
SIDT1	ENST00000264852.9	c.223-9643A>T		intron_variant		2	NM_017699.3	ENSP00000264852.4
SIDT1	ENST00000393830.4	c.223-9643A>T		intron_variant		1		ENSP00000377416.4
SIDT1	ENST00000483946.1	n.68-9643A>T		intron_variant		4
SIDT1	ENST00000491730.5	n.690-9643A>T		intron_variant		5

Frequencies

GnomAD3 genomes AF: 0.0000134 AC: 2 AN: 149632 Hom.: 0 Cov.: 27

Gnomad AFR AF: 0.0000246

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.0000148

Gnomad OTH AF: 0.00

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

GnomAD4 genome AF: 0.0000134 AC: 2 AN: 149632 Hom.: 0 Cov.: 27 AF XY: 0.00 AC XY: 0 AN XY: 72606

Gnomad4 AFR AF: 0.0000246

Gnomad4 AMR AF: 0.00

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.0000148

Gnomad4 OTH AF: 0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.92
CADD	Benign	1.4
DANN	Benign	0.49

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: rs7611694; hg19: chr3-113275624;