11-14262961-G-A

Variant names:

• chr11-14262961-G-A
• rs550023896
• NM_006108.4:c.2246G>A

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_006108.4(SPON1):​c.2246G>A​(p.Gly749Glu) variant causes a missense change. The variant allele was found at a frequency of 0.00000186 in 1,613,368 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 10/16 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Synonymous variant affecting the same amino acid position (i.e. G749G) has been classified as Uncertain significance.

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 31)
  • Exomes 𝑓: 0.0000014 (0 hom.)
• Consequence: SPON1 NM_006108.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 4.44
• Publications: 0 publications found

Genes affected

SPON1 (HGNC:11252): (spondin 1) Predicted to be an extracellular matrix structural constituent. Predicted to be involved in cell adhesion. Predicted to act upstream of or within positive regulation of protein binding activity; positive regulation of protein processing; and regulation of amyloid precursor protein catabolic process. Located in extracellular space. Colocalizes with collagen-containing extracellular matrix. [provided by Alliance of Genome Resources, Apr 2022]

SPON1-AS1 (HGNC:53117): (SPON1 antisense RNA 1)

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.08092159).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_006108.4. 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
	SPON1	NM_006108.4	MANE Select	c.2246G>A	p.Gly749Glu	missense	Exon 15 of 16	NP_006099.2	Q9HCB6

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SPON1	ENST00000576479.4	TSL:1 MANE Select	c.2246G>A	p.Gly749Glu	missense	Exon 15 of 16	ENSP00000460236.1	Q9HCB6
	SPON1	ENST00000964987.1		c.2210G>A	p.Gly737Glu	missense	Exon 15 of 16	ENSP00000635046.1
	SPON1	ENST00000883678.1		c.2105G>A	p.Gly702Glu	missense	Exon 14 of 15	ENSP00000553737.1

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 151958 Hom.: 0 Cov.: 31

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.000208

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.00000403 AC: 1 AN: 247964 AF XY: 0.00000742

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

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: 0.00000137 AC: 2 AN: 1461292 Hom.: 0 Cov.: 33 AF XY: 0.00000275 AC XY: 2 AN XY: 726888

African (AFR) AF: 0.00 AC: 0 AN: 33474

American (AMR) AF: 0.00 AC: 0 AN: 44712

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26126

East Asian (EAS) AF: 0.00 AC: 0 AN: 39698

South Asian (SAS) AF: 0.00 AC: 0 AN: 86218

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53168

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5734

European-Non Finnish (NFE) AF: 8.99e-7 AC: 1 AN: 1111806

Other (OTH) AF: 0.0000166 AC: 1 AN: 60356

GnomAD4 genome AF: 0.00000658 AC: 1 AN: 152076 Hom.: 0 Cov.: 31 AF XY: 0.0000135 AC XY: 1 AN XY: 74310

African (AFR) AF: 0.00 AC: 0 AN: 41496

American (AMR) AF: 0.00 AC: 0 AN: 15272

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5168

South Asian (SAS) AF: 0.000208 AC: 1 AN: 4798

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10582

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 294

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67982

Other (OTH) AF: 0.00 AC: 0 AN: 2106

ExAC AF: 0.00000827 AC: 1

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.072
BayesDel_addAF	Benign	-0.21	T
BayesDel_noAF	Benign	-0.44
CADD	Benign	18
DANN	Benign	0.97
DEOGEN2	Benign	0.091	T
Eigen	Benign	-0.085
Eigen_PC	Benign	0.032
FATHMM_MKL	Uncertain	0.92	D
LIST_S2	Benign	0.68	T
MetaRNN	Benign	0.081	T
MetaSVM	Benign	-0.96	T
PhyloP100		4.4
PrimateAI	Benign	0.47	T
Sift4G	Benign	0.36	T
Polyphen		0.42	B
Vest4		0.28
MutPred		0.33		Loss of methylation at K744 (P = 0.1086)
MVP		0.30
ClinPred		0.99	D
GERP RS		4.1
Varity_R		0.23
gMVP		0.35
Mutation Taster		=99/1	polymorphism

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

Other links and lift over

dbSNP: rs550023896; hg19: chr11-14284507;