chr12-54182179-T-A

Variant names:

• chr12-54182179-T-A
• rs369641683
• NM_001243787.2:c.730A>T

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001243787.2(SMUG1):​c.730A>T​(p.Asn244Tyr) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. N244D) has been classified as Uncertain significance.

• Frequency: Genomes: not found (cov: 31)
• Consequence: SMUG1 NM_001243787.2 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 7.16
• Publications: 0 publications found

Genes affected

SMUG1 (HGNC:17148): (single-strand-selective monofunctional uracil-DNA glycosylase 1) This gene encodes a protein that participates in base excision repair by removing uracil from single- and double-stranded DNA. Many alternatively spliced transcript variants exist for this gene; the full-length nature is known for some but not all of the variants. [provided by RefSeq, Aug 2011]

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001243787.2. 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
	SMUG1	NM_001243787.2	MANE Select	c.730A>T	p.Asn244Tyr	missense	Exon 4 of 4	NP_001230716.1	Q53HV7-1
	SMUG1	NM_001243788.2		c.730A>T	p.Asn244Tyr	missense	Exon 3 of 3	NP_001230717.1	Q53HV7-1
	SMUG1	NM_001351242.2		c.730A>T	p.Asn244Tyr	missense	Exon 4 of 4	NP_001338171.1	Q53HV7-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SMUG1	ENST00000682136.1	MANE Select	c.730A>T	p.Asn244Tyr	missense	Exon 4 of 4	ENSP00000507590.1	Q53HV7-1
	SMUG1	ENST00000243112.9	TSL:1	c.405+325A>T		intron	N/A	ENSP00000243112.5	Q53HV7-2
	SMUG1	ENST00000513838.5	TSL:1	c.405+325A>T		intron	N/A	ENSP00000423629.1	Q53HV7-2

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 34

GnomAD4 genome Cov.: 31

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.64
BayesDel_addAF	Benign	0.0031	T
BayesDel_noAF	Benign	-0.23
CADD	Pathogenic	28
DANN	Uncertain	0.99
DEOGEN2	Benign	0.39	T
Eigen	Uncertain	0.51
Eigen_PC	Uncertain	0.40
FATHMM_MKL	Uncertain	0.93	D
LIST_S2	Uncertain	0.95	D
M_CAP	Benign	0.056	D
MetaRNN	Uncertain	0.53	D
MetaSVM	Benign	-0.39	T
MutationAssessor	Uncertain	2.2	M
PhyloP100		7.2
PrimateAI	Benign	0.40	T
PROVEAN	Pathogenic	-4.8	D
REVEL	Uncertain	0.40
Sift	Uncertain	0.0030	D
Sift4G	Uncertain	0.0020	D
Polyphen		0.99	D
Vest4		0.35
MutPred		0.59		Gain of catalytic residue at R243 (P = 0.0245)
MVP		0.80
MPC		0.85
ClinPred		0.99	D
GERP RS		4.7
Varity_R		0.49
gMVP		0.74
Mutation Taster		=65/35	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.060		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: rs369641683; hg19: chr12-54575963;