rs886054125

Variant names:

• chr19-10133393-A-G
• rs886054125
• NM_001130823.3:c.*274T>C

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4 BS2

The NM_001130823.3(DNMT1):​c.*274T>C variant causes a 3 prime UTR change. The variant allele was found at a frequency of 0.000513 in 528,314 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: 𝑓 0.00018 (0 hom., cov: 32)
  • Exomes 𝑓: 0.00065 (2 hom.)
• Consequence: DNMT1 NM_001130823.3 3_prime_UTR
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 6.39
• Publications: 0 publications found

Genes affected

DNMT1 (HGNC:2976): (DNA methyltransferase 1) This gene encodes an enzyme that transfers methyl groups to cytosine nucleotides of genomic DNA. This protein is the major enzyme responsible for maintaining methylation patterns following DNA replication and shows a preference for hemi-methylated DNA. Methylation of DNA is an important component of mammalian epigenetic gene regulation. Aberrant methylation patterns are found in human tumors and associated with developmental abnormalities. Variation in this gene has been associated with cerebellar ataxia, deafness, and narcolepsy, and neuropathy, hereditary sensory, type IE. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2016]

DNMT1 Gene-Disease associations (from GenCC):

• autosomal dominant cerebellar ataxia, deafness and narcolepsy

  Inheritance: Unknown, AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: ClinGen, Genomics England PanelApp, Orphanet, Labcorp Genetics (formerly Invitae)
• hereditary sensory neuropathy-deafness-dementia syndrome

  Inheritance: AD Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae)

ACMG classification

Our verdict: Likely_benign. The variant received -5 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.16).
• BS2: High AC in GnomAd4 at 27 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001130823.3. 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
	DNMT1	NM_001130823.3	MANE Select	c.*274T>C		3_prime_UTR	Exon 41 of 41	NP_001124295.1	P26358-2
	DNMT1	NM_001318730.2		c.*274T>C		3_prime_UTR	Exon 40 of 40	NP_001305659.1
	DNMT1	NM_001379.4		c.*274T>C		3_prime_UTR	Exon 40 of 40	NP_001370.1	P26358-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DNMT1	ENST00000359526.9	TSL:1 MANE Select	c.*274T>C		3_prime_UTR	Exon 41 of 41	ENSP00000352516.3	P26358-2
	DNMT1	ENST00000340748.8	TSL:1	c.*274T>C		3_prime_UTR	Exon 40 of 40	ENSP00000345739.3	P26358-1
	DNMT1	ENST00000592705.5	TSL:1	n.*4863T>C		non_coding_transcript_exon	Exon 41 of 41	ENSP00000466657.1	K7EMU8

Frequencies

GnomAD3 genomes AF: 0.000177 AC: 27 AN: 152220 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00442

Gnomad SAS AF: 0.000207

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.0000294

Gnomad OTH AF: 0.000478

GnomAD4 exome AF: 0.000649 AC: 244 AN: 375976 Hom.: 2 Cov.: 3 AF XY: 0.000534 AC XY: 105 AN XY: 196748

African (AFR) AF: 0.00 AC: 0 AN: 11360

American (AMR) AF: 0.00 AC: 0 AN: 14980

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 12046

East Asian (EAS) AF: 0.00867 AC: 237 AN: 27344

South Asian (SAS) AF: 0.0000280 AC: 1 AN: 35720

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 22706

Middle Eastern (MID) AF: 0.000610 AC: 1 AN: 1640

European-Non Finnish (NFE) AF: 0.00000439 AC: 1 AN: 227978

Other (OTH) AF: 0.000180 AC: 4 AN: 22202

GnomAD4 genome AF: 0.000177 AC: 27 AN: 152338 Hom.: 0 Cov.: 32 AF XY: 0.000148 AC XY: 11 AN XY: 74494

African (AFR) AF: 0.00 AC: 0 AN: 41588

American (AMR) AF: 0.00 AC: 0 AN: 15292

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

East Asian (EAS) AF: 0.00443 AC: 23 AN: 5190

South Asian (SAS) AF: 0.000207 AC: 1 AN: 4830

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10624

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

European-Non Finnish (NFE) AF: 0.0000294 AC: 2 AN: 68028

Other (OTH) AF: 0.000473 AC: 1 AN: 2112

Alfa AF: 0.0000712 Hom.: 0

Bravo AF: 0.000185

Asia WGS AF: 0.00173 AC: 6 AN: 3478

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	Hereditary sensory neuropathy-deafness-dementia syndrome (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.16
CADD	Benign	16
DANN	Benign	0.85
PhyloP100		6.4
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.0
Mutation Taster		=100/0	polymorphism

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: rs886054125; hg19: chr19-10244069;