9-130402790-C-T

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7

The NM_001291815.2(HMCN2):​c.11772C>T​(p.Gly3924Gly) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000954 in 1,289,412 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 1/1 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000092 ( 0 hom. )

Consequence

HMCN2
NM_001291815.2 splice_region, synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -3.92
Variant links:
Genes affected
HMCN2 (HGNC:21293): (hemicentin 2) Predicted to enable calcium ion binding activity. Predicted to be an extracellular matrix structural constituent. Predicted to be involved in cell adhesion. Located in collagen-containing extracellular matrix. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.91).
BP6
Variant 9-130402790-C-T is Benign according to our data. Variant chr9-130402790-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 2659599.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-3.92 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
HMCN2NM_001291815.2 linkuse as main transcriptc.11772C>T p.Gly3924Gly splice_region_variant, synonymous_variant 78/98 ENST00000683500.2 NP_001278744.1 A0A804HLC3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
HMCN2ENST00000683500.2 linkuse as main transcriptc.11772C>T p.Gly3924Gly splice_region_variant, synonymous_variant 78/98 NM_001291815.2 ENSP00000508292.2 A0A804HLC3

Frequencies

GnomAD3 genomes
AF:
0.000118
AC:
18
AN:
152222
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000724
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.000191
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.0000664
AC:
9
AN:
135540
Hom.:
0
AF XY:
0.0000271
AC XY:
2
AN XY:
73762
show subpopulations
Gnomad AFR exome
AF:
0.000155
Gnomad AMR exome
AF:
0.0000409
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000132
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000923
AC:
105
AN:
1137190
Hom.:
0
Cov.:
30
AF XY:
0.0000986
AC XY:
55
AN XY:
557936
show subpopulations
Gnomad4 AFR exome
AF:
0.000246
Gnomad4 AMR exome
AF:
0.0000354
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000978
Gnomad4 OTH exome
AF:
0.000193
GnomAD4 genome
AF:
0.000118
AC:
18
AN:
152222
Hom.:
0
Cov.:
33
AF XY:
0.000121
AC XY:
9
AN XY:
74362
show subpopulations
Gnomad4 AFR
AF:
0.0000724
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000191
Gnomad4 OTH
AF:
0.000478
Alfa
AF:
0.000217
Hom.:
0
Bravo
AF:
0.000121
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenOct 01, 2022HMCN2: BP4, BP7 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.91
CADD
Benign
0.0090
DANN
Benign
0.85

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.

Other links and lift over

dbSNP: rs748735294; hg19: chr9-133278177; COSMIC: COSV52982658; COSMIC: COSV52982658; API