11-18707946-C-T

Variant names:

• chr11-18707946-C-T
• NM_173588.4:c.3138G>A

Variant summary

Our verdict is Likely benign. Variant got -1 ACMG points: 2P and 3B. PM2 BP4_Moderate BP7

The NM_173588.4(IGSF22):​c.3138G>A​(p.Lys1046Lys) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,866 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: 33)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: IGSF22 NM_173588.4 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.312

Genes affected

IGSF22 (HGNC:26750): (immunoglobulin superfamily member 22)

IGSF22-AS1 (HGNC:55511): (IGSF22 antisense RNA 1)

ACMG classification

Verdict is Likely_benign. Variant got -1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.32).
• BP7: Synonymous conserved (PhyloP=0.312 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IGSF22	NM_173588.4	c.3138G>A	p.Lys1046Lys	synonymous_variant	Exon 20 of 23	ENST00000513874.6	NP_775859.4
IGSF22	XM_047426830.1	c.1212G>A	p.Lys404Lys	synonymous_variant	Exon 7 of 10		XP_047282786.1
IGSF22	NR_160413.1	n.2894G>A		non_coding_transcript_exon_variant	Exon 18 of 21
IGSF22-AS1	NR_186353.1	n.785+553C>T		intron_variant	Intron 2 of 2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
IGSF22	ENST00000513874.6	c.3138G>A	p.Lys1046Lys	synonymous_variant	Exon 20 of 23	5	NM_173588.4	ENSP00000421191.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461866 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 727230

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.0000116

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.32
CADD	Benign	4.5
DANN	Benign	0.78

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr11-18729493;