chr21-44934070-A-C

Variant names:

• chr21-44934070-A-C
• rs9974152
• ENST00000615847.3:n.2056T>G

Variant summary

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

The ENST00000615847.3(LINC01547):​n.2056T>G variant causes a non coding transcript exon change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000658 in 152,012 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 0.0000066 (0 hom., cov: 33)
  • Exomes 𝑓: 0.0 (0 hom.)
  • Failed GnomAD Quality Control
• Consequence: LINC01547 ENST00000615847.3 non_coding_transcript_exon
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.164
• Publications: 6 publications found

Genes affected

LINC01547 (HGNC:15707): (long intergenic non-protein coding RNA 1547) Located in endoplasmic reticulum. [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=-0.92).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
LINC01547	NR_027128.1	n.1047T>G		non_coding_transcript_exon_variant	Exon 4 of 4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
LINC01547	ENST00000615847.3	n.2056T>G		non_coding_transcript_exon_variant	Exon 4 of 4	1
LINC01547	ENST00000397841.5	n.1047T>G		non_coding_transcript_exon_variant	Exon 4 of 4	2
LINC01547	ENST00000654166.2	n.2224T>G		non_coding_transcript_exon_variant	Exon 4 of 4

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 152012 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.0000242

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

GnomAD4 exome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0 AN: 210384 Hom.: 0 Cov.: 0 AF XY: 0.00 AC XY: 0 AN XY: 115782

African (AFR) AF: 0.00 AC: 0 AN: 5246

American (AMR) AF: 0.00 AC: 0 AN: 11686

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 4202

East Asian (EAS) AF: 0.00 AC: 0 AN: 8322

South Asian (SAS) AF: 0.00 AC: 0 AN: 42350

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 20748

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 680

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 107712

Other (OTH) AF: 0.00 AC: 0 AN: 9438

GnomAD4 genome AF: 0.00000658 AC: 1 AN: 152012 Hom.: 0 Cov.: 33 AF XY: 0.0000135 AC XY: 1 AN XY: 74224

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

African (AFR) AF: 0.0000242 AC: 1 AN: 41406

American (AMR) AF: 0.00 AC: 0 AN: 15274

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3468

East Asian (EAS) AF: 0.00 AC: 0 AN: 5168

South Asian (SAS) AF: 0.00 AC: 0 AN: 4822

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10584

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

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67974

Other (OTH) AF: 0.00 AC: 0 AN: 2092

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Alfa AF: 0.00 Hom.: 1396

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.92
CADD	Benign	2.1
DANN	Benign	0.38
PhyloP100		-0.16

Splicing

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

Other links and lift over

dbSNP: rs9974152; hg19: chr21-46353985;