chr1-91719187-C-T

Position:

• chr1-91719187-C-T

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_003243.5(TGFBR3):​c.1566+125G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.229 in 1,293,332 control chromosomes in the GnomAD database, including 36,376 homozygotes. 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 0.21 (3684 hom., cov: 32)
  • Exomes 𝑓: 0.23 (32692 hom.)
• Consequence: TGFBR3 NM_003243.5 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.00

Genes affected

TGFBR3 (HGNC:11774): (transforming growth factor beta receptor 3) This locus encodes the transforming growth factor (TGF)-beta type III receptor. The encoded receptor is a membrane proteoglycan that often functions as a co-receptor with other TGF-beta receptor superfamily members. Ectodomain shedding produces soluble TGFBR3, which may inhibit TGFB signaling. Decreased expression of this receptor has been observed in various cancers. Alternatively spliced transcript variants encoding different isoforms have been identified for this gene.[provided by RefSeq, Sep 2010]

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.8).
• BA1: GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.289 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
TGFBR3	NM_003243.5	c.1566+125G>A		intron_variant		ENST00000212355.9	NP_003234.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
TGFBR3	ENST00000212355.9	c.1566+125G>A		intron_variant		1	NM_003243.5	ENSP00000212355	P3

Frequencies

GnomAD3 genomes AF: 0.210 AC: 31913 AN: 152058 Hom.: 3676 Cov.: 32

Gnomad AFR AF: 0.170

Gnomad AMI AF: 0.152

Gnomad AMR AF: 0.271

Gnomad ASJ AF: 0.291

Gnomad EAS AF: 0.0399

Gnomad SAS AF: 0.301

Gnomad FIN AF: 0.138

Gnomad MID AF: 0.307

Gnomad NFE AF: 0.234

Gnomad OTH AF: 0.231

GnomAD4 exome AF: 0.232 AC: 264539 AN: 1141156 Hom.: 32692 AF XY: 0.235 AC XY: 135657 AN XY: 577036

Gnomad4 AFR exome AF: 0.162

Gnomad4 AMR exome AF: 0.311

Gnomad4 ASJ exome AF: 0.297

Gnomad4 EAS exome AF: 0.0792

Gnomad4 SAS exome AF: 0.315

Gnomad4 FIN exome AF: 0.133

Gnomad4 NFE exome AF: 0.233

Gnomad4 OTH exome AF: 0.232

GnomAD4 genome AF: 0.210 AC: 31944 AN: 152176 Hom.: 3684 Cov.: 32 AF XY: 0.207 AC XY: 15434 AN XY: 74396

Gnomad4 AFR AF: 0.170

Gnomad4 AMR AF: 0.271

Gnomad4 ASJ AF: 0.291

Gnomad4 EAS AF: 0.0402

Gnomad4 SAS AF: 0.302

Gnomad4 FIN AF: 0.138

Gnomad4 NFE AF: 0.234

Gnomad4 OTH AF: 0.232

Alfa AF: 0.224 Hom.: 812

Bravo AF: 0.216

Asia WGS AF: 0.164 AC: 574 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.80
CADD	Benign	5.3
DANN	Benign	0.69

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: rs4658261; hg19: chr1-92184744;