rs183647515

Variant names:

• chr20-23046215-C-A
• rs183647515
• NM_000361.3:c.*1562G>T

Variant summary

Our verdict is Benign. The variant received -10 ACMG points: 0P and 10B. BP4_Strong BP6_Moderate BS1

The NM_000361.3(THBD):​c.*1562G>T variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00437 in 152,750 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

• Frequency:
  • Genomes: 𝑓 0.0044 (1 hom., cov: 33)
  • Exomes 𝑓: 0.0024 (0 hom.)
• Consequence: THBD NM_000361.3 3_prime_UTR
• Clinical Significance: Benign criteria provided, single submitter B:1
• Conservation: PhyloP100: -0.189
• Publications: 3 publications found

Genes affected

THBD (HGNC:11784): (thrombomodulin) The protein encoded by this intronless gene is an endothelial-specific type I membrane receptor that binds thrombin. This binding results in the activation of protein C, which degrades clotting factors Va and VIIIa and reduces the amount of thrombin generated. Mutations in this gene are a cause of thromboembolic disease, also known as inherited thrombophilia. [provided by RefSeq, Jul 2008]

THBD Gene-Disease associations (from GenCC):

• atypical hemolytic-uremic syndrome with thrombomodulin anomaly

  Inheritance: AD Classification: STRONG Submitted by: PanelApp Australia, Labcorp Genetics (formerly Invitae)
• thrombomodulin-related bleeding disorder

  Inheritance: AR, AD, Unknown Classification: STRONG, MODERATE, SUPPORTIVE, LIMITED Submitted by: ClinGen, Orphanet, Labcorp Genetics (formerly Invitae), Genomics England PanelApp
• atypical hemolytic-uremic syndrome

  Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

ENSG00000296483 (HGNC:):

ACMG classification

Our verdict: Benign. The variant received -10 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.82).
• BP6: Variant 20-23046215-C-A is Benign according to our data. Variant chr20-23046215-C-A is described in ClinVar as Benign. ClinVar VariationId is 337856.Status of the report is criteria_provided_single_submitter, 1 stars.
• BS1: Variant frequency is greater than expected in population nfe. GnomAd4 allele frequency = 0.00437 (666/152340) while in subpopulation NFE AF = 0.00747 (508/68022). AF 95% confidence interval is 0.00693. There are 1 homozygotes in GnomAd4. There are 309 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000361.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	THBD	NM_000361.3	MANE Select	c.*1562G>T		3_prime_UTR	Exon 1 of 1	NP_000352.1	P07204

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	THBD	ENST00000377103.3	TSL:6 MANE Select	c.*1562G>T		3_prime_UTR	Exon 1 of 1	ENSP00000366307.2	P07204
	ENSG00000296483	ENST00000739851.1		n.796-4464G>T		intron	N/A

Frequencies

GnomAD3 genomes AF: 0.00438 AC: 666 AN: 152222 Hom.: 1 Cov.: 33

Gnomad AFR AF: 0.00169

Gnomad AMI AF: 0.00658

Gnomad AMR AF: 0.00255

Gnomad ASJ AF: 0.00230

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00103

Gnomad FIN AF: 0.00198

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00747

Gnomad OTH AF: 0.00430

GnomAD4 exome AF: 0.00244 AC: 1 AN: 410 Hom.: 0 Cov.: 0 AF XY: 0.00 AC XY: 0 AN XY: 246

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) AF: 0.00246 AC: 1 AN: 406

Middle Eastern (MID) AC: 0 AN: 0

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 2

Other (OTH) AF: 0.00 AC: 0 AN: 2

GnomAD4 genome AF: 0.00437 AC: 666 AN: 152340 Hom.: 1 Cov.: 33 AF XY: 0.00415 AC XY: 309 AN XY: 74492

African (AFR) AF: 0.00168 AC: 70 AN: 41588

American (AMR) AF: 0.00255 AC: 39 AN: 15308

Ashkenazi Jewish (ASJ) AF: 0.00230 AC: 8 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5184

South Asian (SAS) AF: 0.00104 AC: 5 AN: 4830

European-Finnish (FIN) AF: 0.00198 AC: 21 AN: 10616

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

European-Non Finnish (NFE) AF: 0.00747 AC: 508 AN: 68022

Other (OTH) AF: 0.00426 AC: 9 AN: 2114

Alfa AF: 0.00524 Hom.: 0

Bravo AF: 0.00451

Asia WGS AF: 0.000289 AC: 1 AN: 3478

ClinVar

ClinVar submissions

Significance: Benign

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	-	1	Atypical hemolytic-uremic syndrome with thrombomodulin anomaly (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.82
CADD	Benign	2.6
DANN	Benign	0.59
PhyloP100		-0.19

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

Other links and lift over

dbSNP: rs183647515; hg19: chr20-23026852;