22-27922204-G-A

Variant names:

• chr22-27922204-G-A
• rs10483140
• ENST00000419253.1:n.145+2659G>A

Variant summary

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

The ENST00000419253.1(TTC28-AS1):​n.145+2659G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000722 in 152,284 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 0.000072 (0 hom., cov: 32)
  • Failed GnomAD Quality Control
• Consequence: TTC28-AS1 ENST00000419253.1 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.160
• Publications: 3 publications found

Genes affected

TTC28-AS1 (HGNC:29336): (TTC28 antisense RNA 1)

ENSG00000276150 (HGNC:):

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=-0.9).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TTC28-AS1	NR_026962.1	n.331+26G>A		intron_variant	Intron 2 of 2
TTC28-AS1	NR_026963.1	n.170+2659G>A		intron_variant	Intron 1 of 4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TTC28-AS1	ENST00000419253.1	n.145+2659G>A		intron_variant	Intron 1 of 1	1
TTC28-AS1	ENST00000437713.8	n.319+26G>A		intron_variant	Intron 2 of 2	1
TTC28-AS1	ENST00000454741.5	n.125+2659G>A		intron_variant	Intron 1 of 4	1

Frequencies

GnomAD3 genomes AF: 0.0000723 AC: 11 AN: 152166 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.000145

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.0000654

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.000384

Gnomad SAS AF: 0.000207

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.0000147

Gnomad OTH AF: 0.00

GnomAD4 exome Data not reliable, filtered out with message: AC0 AC: 0 AN: 0 Hom.: 0 Cov.: 0 AC XY: 0 AN XY: 0

African (AFR) AC: 0 AN: 0

American (AMR) AC: 0 AN: 0

Ashkenazi Jewish (ASJ) AC: 0 AN: 0

East Asian (EAS) AC: 0 AN: 0

South Asian (SAS) AC: 0 AN: 0

European-Finnish (FIN) AC: 0 AN: 0

Middle Eastern (MID) AC: 0 AN: 0

European-Non Finnish (NFE) AC: 0 AN: 0

Other (OTH) AC: 0 AN: 0

GnomAD4 genome AF: 0.0000722 AC: 11 AN: 152284 Hom.: 0 Cov.: 32 AF XY: 0.0000940 AC XY: 7 AN XY: 74462

African (AFR) AF: 0.000144 AC: 6 AN: 41560

American (AMR) AF: 0.0000653 AC: 1 AN: 15306

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.000385 AC: 2 AN: 5192

South Asian (SAS) AF: 0.000207 AC: 1 AN: 4828

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10608

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 294

European-Non Finnish (NFE) AF: 0.0000147 AC: 1 AN: 67996

Other (OTH) AF: 0.00 AC: 0 AN: 2116

Alfa AF: 0.00 Hom.: 48

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.90
CADD	Benign	1.0
DANN	Benign	0.96
PhyloP100		-0.16
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.0

Splicing

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

Other links and lift over

dbSNP: rs10483140; hg19: chr22-28318192;