Genetic Variant TMEM260:c.*170G>T (chr14-56647667-G-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_017799.4(TMEM260):c.*170G>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 0.00000444 in 675,398 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: 0.0000038 ( 0 hom. )

Consequence

TMEM260
NM_017799.4 3_prime_UTR

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.494

Publications

20 publications found

Variant links:

Genes affected

TMEM260 (HGNC:20185): (transmembrane protein 260) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

TMEM260 Gene-Disease associations (from GenCC):

structural heart defects and renal anomalies syndrome
Inheritance: AR Classification: STRONG Submitted by: PanelApp Australia, Labcorp Genetics (formerly Invitae), G2P

TMEM260 links:

ENSG00000258428 (HGNC:):

ENSG00000258428 links:

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ACMG classification

Classification was made for transcript

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=-0.96).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_017799.4. 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
	TMEM260	NM_017799.4	MANE Select	c.*170G>T		3_prime_UTR	Exon 16 of 16	NP_060269.3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
TMEM260	ENST00000261556.11	TSL:2 MANE Select	c.*170G>T	3_prime_UTR	Exon 16 of 16	ENSP00000261556.6	Q9NX78-1
TMEM260	ENST00000539559.6	TSL:1	n.*1204G>T	non_coding_transcript_exon	Exon 15 of 15	ENSP00000442602.2	F5H7D0
TMEM260	ENST00000556422.5	TSL:1	n.*892G>T	non_coding_transcript_exon	Exon 15 of 15	ENSP00000450988.1	G3V320

Frequencies

GnomAD3 genomes

AF:

0.00000658

AC:

AN:

152032

Hom.:

Cov.:

show subpopulations

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

AF:

0.00000382

AC:

AN:

523366

Hom.:

Cov.:

AF XY:

0.00000373

AC XY:

AN XY:

267984

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

11600

American (AMR)

AF:

0.00

AC:

AN:

12044

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

13100

East Asian (EAS)

AF:

0.00

AC:

AN:

26932

South Asian (SAS)

AF:

0.00

AC:

AN:

36514

European-Finnish (FIN)

AF:

0.00

AC:

AN:

27856

Middle Eastern (MID)

AF:

0.00

AC:

AN:

2118

European-Non Finnish (NFE)

AF:

0.00000547

AC:

AN:

365668

Other (OTH)

AF:

0.00

AC:

AN:

27534

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00000658

AC:

AN:

152032

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74260

show subpopulations

African (AFR)

AF:

0.0000242

AC:

AN:

41374

American (AMR)

AF:

0.00

AC:

AN:

15266

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3464

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10586

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68006

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.675

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

993

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.96

CADD

Benign

0.12

(source)

DANN

Benign

0.44

PhyloP100

-0.49

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over