Genetic Variant NM_001377530.1:c.292T>A (chr10-122576407-T-A) – 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_001377530.1(DMBT1):c.292T>A(p.Ser98Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,452 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. 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. S98P) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

DMBT1
NM_001377530.1 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.681

Publications

0 publications found

Variant links:

Genes affected

DMBT1 (HGNC:2926): (deleted in malignant brain tumors 1) Loss of sequences from human chromosome 10q has been associated with the progression of human cancers. This gene was originally isolated based on its deletion in a medulloblastoma cell line. This gene is expressed with transcripts of 6.0, 7.5, and 8.0 kb in fetal lung and with one transcript of 8.0 kb in adult lung, although the 7.5 kb transcript has not been characterized. The encoded protein precursor is a glycoprotein containing multiple scavenger receptor cysteine-rich (SRCR) domains separated by SRCR-interspersed domains (SID). Transcript variant 2 (8.0 kb) has been shown to bind surfactant protein D independently of carbohydrate recognition. This indicates that DMBT1 may not be a classical tumor suppressor gene, but rather play a role in the interaction of tumor cells and the immune system. [provided by RefSeq, Mar 2016]

DMBT1 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 (MetaRNN=0.060689867).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DMBT1	NM_001377530.1 link	c.292T>A	p.Ser98Thr	missense_variant	Exon 7 of 56	ENST00000338354.10	NP_001364459.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DMBT1	ENST00000338354.10 link	c.292T>A	p.Ser98Thr	missense_variant	Exon 7 of 56	1	NM_001377530.1	ENSP00000342210.4		Q9UGM3-6

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000402

AC:

AN:

248966

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000290

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461452

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727008

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33470

American (AMR)

AF:

0.0000224

AC:

AN:

44712

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26108

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86226

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53384

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111730

Other (OTH)

AF:

0.00

AC:

AN:

60358

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.13

BayesDel_addAF

Benign

-0.40

BayesDel_noAF

Benign

-0.73

CADD

Benign

(source)

DANN

Benign

0.87

DEOGEN2

Benign

0.024

.;.;.;.;T;.;T

Eigen

Benign

-0.45

Eigen_PC

Benign

-0.57

FATHMM_MKL

Benign

0.035

LIST_S2

Benign

0.058

T;.;.;T;.;T;T

M_CAP

Benign

0.0043

MetaRNN

Benign

0.061

T;T;T;T;T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.0

N;N;N;N;N;N;N

PhyloP100

-0.68

PrimateAI

Benign

0.33

PROVEAN

Benign

-0.51

N;N;N;N;N;N;.

REVEL

Benign

0.054

Sift

Benign

0.13

T;T;T;T;T;T;.

Sift4G

Benign

0.56

T;T;T;T;T;T;T

Polyphen

0.99

D;D;B;D;D;B;D

Vest4

0.15

MutPred

0.24

Gain of sheet (P = 0.0085);Gain of sheet (P = 0.0085);Gain of sheet (P = 0.0085);Gain of sheet (P = 0.0085);Gain of sheet (P = 0.0085);Gain of sheet (P = 0.0085);Gain of sheet (P = 0.0085);

MVP

0.39

MPC

0.14

ClinPred

0.12

GERP RS

3.3

Varity_R

0.046

gMVP

0.055

Mutation Taster

=97/3

polymorphism

(source)

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over