chr9-21227087-T-A

Variant names:

• chr9-21227087-T-A
• rs7868588
• NM_021268.2:c.*517A>T

Variant summary

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

The NM_021268.2(IFNA17):​c.*517A>T variant causes a downstream gene 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: 32)
• Consequence: IFNA17 NM_021268.2 downstream_gene
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -6.43
• Publications: 1 publications found

Genes affected

IFNA17 (HGNC:5422): (interferon alpha 17) Predicted to enable cytokine activity and type I interferon receptor binding activity. Predicted to be involved in several processes, including B cell activation; lymphocyte activation involved in immune response; and positive regulation of peptidyl-serine phosphorylation of STAT protein. Predicted to be located in extracellular region. Predicted to be active in extracellular space. Implicated in Crimean-Congo hemorrhagic fever and sarcoidosis. [provided by Alliance of Genome Resources, Apr 2022]

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=-0.98).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_021268.2. 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
	IFNA17	NM_021268.2	MANE Select	c.*517A>T		downstream_gene	N/A	NP_067091.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	IFNA17	ENST00000413767.2	TSL:6 MANE Select	c.*517A>T		downstream_gene	N/A	ENSP00000411940.2

Frequencies

GnomAD3 genomes Cov.: 32

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

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.98
CADD	Benign	0.053
DANN	Benign	0.29
PhyloP100		-6.4

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Other links and lift over

dbSNP: rs7868588; hg19: chr9-21227086;