chr11-18707885-G-C

Variant names:

• chr11-18707885-G-C
• rs766517586
• NM_173588.4:c.3199C>G

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_173588.4(IGSF22):​c.3199C>G​(p.Arg1067Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,856 control chromosomes in the GnomAD database, with no homozygous occurrence. 11/18 in silico tools predict 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 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 2.68

Genes affected

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

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

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IGSF22	NM_173588.4	c.3199C>G	p.Arg1067Gly	missense_variant	Exon 20 of 23	ENST00000513874.6	NP_775859.4
IGSF22	XM_047426830.1	c.1273C>G	p.Arg425Gly	missense_variant	Exon 7 of 10		XP_047282786.1
IGSF22	NR_160413.1	n.2955C>G		non_coding_transcript_exon_variant	Exon 18 of 21
IGSF22-AS1	NR_186353.1	n.785+492G>C		intron_variant	Intron 2 of 2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
IGSF22	ENST00000513874.6	c.3199C>G	p.Arg1067Gly	missense_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: 1461856 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 727226

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.0000252

Gnomad4 SAS exome AF: 0.00

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_addAF	Benign	-0.17	T
BayesDel_noAF	Benign	-0.47
CADD	Benign	23
DANN	Uncertain	1.0
Eigen	Benign	0.15
Eigen_PC	Benign	0.084
FATHMM_MKL	Uncertain	0.92	D
LIST_S2	Benign	0.63	T
M_CAP	Benign	0.022	T
MetaRNN	Uncertain	0.54	D
MetaSVM	Benign	-0.97	T
PrimateAI	Benign	0.20	T
PROVEAN	Benign	-2.1	N
REVEL	Benign	0.24
Sift	Benign	0.090	T
Sift4G	Uncertain	0.017	D
Vest4		0.51
MutPred		0.55		Loss of MoRF binding (P = 0.0135);
MVP		0.57
MPC		0.78
ClinPred		0.95	D
GERP RS		0.17
gMVP		0.74

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: rs766517586; hg19: chr11-18729432;