rs9302671

Positions:

• chr16-55487813-G-T

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_004530.6(MMP2):​c.833-730G>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.307 in 152,076 control chromosomes in the GnomAD database, including 7,405 homozygotes. 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 0.31 (7391 hom., cov: 31)
  • Exomes 𝑓: 0.29 (14 hom.)
• Consequence: MMP2 NM_004530.6 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.382

Genes affected

MMP2 (HGNC:7166): (matrix metallopeptidase 2) This gene is a member of the matrix metalloproteinase (MMP) gene family, that are zinc-dependent enzymes capable of cleaving components of the extracellular matrix and molecules involved in signal transduction. The protein encoded by this gene is a gelatinase A, type IV collagenase, that contains three fibronectin type II repeats in its catalytic site that allow binding of denatured type IV and V collagen and elastin. Unlike most MMP family members, activation of this protein can occur on the cell membrane. This enzyme can be activated extracellularly by proteases, or, intracellulary by its S-glutathiolation with no requirement for proteolytical removal of the pro-domain. This protein is thought to be involved in multiple pathways including roles in the nervous system, endometrial menstrual breakdown, regulation of vascularization, and metastasis. Mutations in this gene have been associated with Winchester syndrome and Nodulosis-Arthropathy-Osteolysis (NAO) syndrome. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Oct 2014]

(HGNC:):

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.87).
• BA1: GnomAd4 highest subpopulation (AMR) allele frequency at 95% confidence interval = 0.365 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
MMP2	NM_004530.6	c.833-730G>T		intron_variant		ENST00000219070.9	NP_004521.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
MMP2	ENST00000219070.9	c.833-730G>T		intron_variant		1	NM_004530.6	ENSP00000219070	P1
	ENST00000623886.1	n.1196G>T		non_coding_transcript_exon_variant	1/1

Frequencies

GnomAD3 genomes AF: 0.307 AC: 46536 AN: 151710 Hom.: 7383 Cov.: 31

Gnomad AFR AF: 0.223

Gnomad AMI AF: 0.499

Gnomad AMR AF: 0.373

Gnomad ASJ AF: 0.260

Gnomad EAS AF: 0.146

Gnomad SAS AF: 0.249

Gnomad FIN AF: 0.314

Gnomad MID AF: 0.299

Gnomad NFE AF: 0.357

Gnomad OTH AF: 0.309

GnomAD4 exome AF: 0.290 AC: 72 AN: 248 Hom.: 14 Cov.: 0 AF XY: 0.267 AC XY: 39 AN XY: 146

Gnomad4 AMR exome AF: 0.333

Gnomad4 EAS exome AF: 0.250

Gnomad4 SAS exome AF: 0.500

Gnomad4 FIN exome AF: 0.267

Gnomad4 NFE exome AF: 0.288

Gnomad4 OTH exome AF: 0.286

GnomAD4 genome AF: 0.307 AC: 46551 AN: 151828 Hom.: 7391 Cov.: 31 AF XY: 0.304 AC XY: 22532 AN XY: 74186

Gnomad4 AFR AF: 0.223

Gnomad4 AMR AF: 0.373

Gnomad4 ASJ AF: 0.260

Gnomad4 EAS AF: 0.145

Gnomad4 SAS AF: 0.249

Gnomad4 FIN AF: 0.314

Gnomad4 NFE AF: 0.357

Gnomad4 OTH AF: 0.305

Alfa AF: 0.345 Hom.: 12640

Bravo AF: 0.307

Asia WGS AF: 0.192 AC: 668 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.87
CADD	Benign	4.7
DANN	Benign	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

LitVar

Other links and lift over

dbSNP: rs9302671; hg19: chr16-55521725;