17-35352422-A-G

Variant names:

• chr17-35352422-A-G
• rs141788369
• NM_001376007.1:c.2640T>C

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2 BP4_Strong BP7

The NM_001376007.1(SLFN11):​c.2640T>C​(p.Asn880Asn) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000197 in 152,242 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 0.000020 (0 hom., cov: 30)
• Consequence: SLFN11 NM_001376007.1 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.129
• Publications: 0 publications found

Genes affected

SLFN11 (HGNC:26633): (schlafen family member 11) Enables tRNA binding activity. Involved in several processes, including defense response to virus; negative regulation of G1/S transition of mitotic cell cycle; and replication fork arrest. Located in cytosol; nucleoplasm; and site of DNA damage. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_benign. The variant received -3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.92).
• BP7: Synonymous conserved (PhyloP=0.129 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001376007.1. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLFN11	NM_001376007.1	MANE Select	c.2640T>C	p.Asn880Asn	synonymous	Exon 7 of 7	NP_001362936.1	Q7Z7L1
	SLFN11	NM_001104587.2		c.2640T>C	p.Asn880Asn	synonymous	Exon 7 of 7	NP_001098057.1	Q7Z7L1
	SLFN11	NM_001104588.2		c.2640T>C	p.Asn880Asn	synonymous	Exon 7 of 7	NP_001098058.1	Q7Z7L1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLFN11	ENST00000685675.1	MANE Select	c.2640T>C	p.Asn880Asn	synonymous	Exon 7 of 7	ENSP00000510787.1	Q7Z7L1
	SLFN11	ENST00000308377.8	TSL:1	c.2640T>C	p.Asn880Asn	synonymous	Exon 5 of 5	ENSP00000312402.4	Q7Z7L1
	SLFN11	ENST00000394566.5	TSL:2	c.2640T>C	p.Asn880Asn	synonymous	Exon 7 of 7	ENSP00000378067.1	Q7Z7L1

Frequencies

GnomAD3 genomes AF: 0.0000197 AC: 3 AN: 152242 Hom.: 0 Cov.: 30

Gnomad AFR AF: 0.0000724

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: 0.00

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.00000398 AC: 1 AN: 251486 AF XY: 0.00

Gnomad AFR exome AF: 0.0000615

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome Cov.: 33

GnomAD4 genome AF: 0.0000197 AC: 3 AN: 152242 Hom.: 0 Cov.: 30 AF XY: 0.0000269 AC XY: 2 AN XY: 74388

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.0000724 AC: 3 AN: 41464

American (AMR) AF: 0.00 AC: 0 AN: 15294

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5198

South Asian (SAS) AF: 0.00 AC: 0 AN: 4838

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10618

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68038

Other (OTH) AF: 0.00 AC: 0 AN: 2094

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.0000000568638), which strongly suggests a high chance of mosaicism in these individuals.

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.0000189

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.92
CADD	Benign	1.3
DANN	Benign	0.35
PhyloP100		0.13

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: rs141788369; hg19: chr17-33679441;