Variant 1-30723527-G-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_002379.3(MATN1):c.25C>T(p.Leu9Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000221 in 1,537,710 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000021 ( 0 hom. )

Consequence

MATN1
NM_002379.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.798

Variant links:

Genes affected

MATN1 (HGNC:6907): (matrilin 1) This gene encodes a member of von Willebrand factor A domain containing protein family. This family of proteins are thought to be involved in the formation of filamentous networks in the extracellular matrices of various tissues. Mutations of this gene have been associated with variety of inherited chondrodysplasias. [provided by RefSeq, Jul 2008]

MATN1 links:

MATN1-AS1 (HGNC:):

MATN1-AS1 links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.055142313).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
MATN1	NM_002379.3 linkuse as main transcript	c.25C>T	p.Leu9Phe	missense_variant	1/8	ENST00000373765.5	NP_002370.1	P21941
MATN1-AS1	NR_034182.1 linkuse as main transcript	n.1229+1805G>A		intron_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
MATN1	ENST00000373765.5 linkuse as main transcript	c.25C>T	p.Leu9Phe	missense_variant	1/8	1	NM_002379.3	ENSP00000362870.4		P21941

Frequencies

GnomAD3 genomes

AF:

0.0000328

AC:

AN:

152224

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000385

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000209

AC:

AN:

143340

Hom.:

AF XY:

0.0000263

AC XY:

AN XY:

76036

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000457

Gnomad ASJ exome

AF:

0.000246

Gnomad EAS exome

AF:

0.00

Gnomad SAS 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:

0.0000209

AC:

AN:

1385368

Hom.:

Cov.:

AF XY:

0.0000249

AC XY:

AN XY:

683022

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000884

Gnomad4 ASJ exome

AF:

0.000161

Gnomad4 EAS exome

AF:

0.000116

Gnomad4 SAS exome

AF:

0.0000260

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000839

Gnomad4 OTH exome

AF:

0.0000870

GnomAD4 genome

AF:

0.0000328

AC:

AN:

152342

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74488

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000386

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000294

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000508

Hom.:

Bravo

AF:

0.0000378

ExAC

AF:

0.0000327

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Aug 30, 2022

The c.25C>T (p.L9F) alteration is located in exon 1 (coding exon 1) of the MATN1 gene. This alteration results from a C to T substitution at nucleotide position 25, causing the leucine (L) at amino acid position 9 to be replaced by a phenylalanine (F). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.059

BayesDel_addAF

Benign

-0.34

BayesDel_noAF

Benign

-0.59

CADD

Benign

DANN

Benign

0.88

DEOGEN2

Benign

0.18

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.2

FATHMM_MKL

Benign

0.069

LIST_S2

Benign

0.38

M_CAP

Benign

0.017

MetaRNN

Benign

0.055

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.55

PrimateAI

Benign

0.31

PROVEAN

Benign

-1.0

REVEL

Benign

0.037

Sift

Benign

0.080

Sift4G

Benign

0.12

Polyphen

0.0

Vest4

0.12

MVP

0.36

MPC

0.27

ClinPred

0.020

GERP RS

1.1

Varity_R

0.043

gMVP

0.46

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over