4-1170520-C-T

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BA1

The NM_012445.4(SPON2):​c.693G>A​(p.Lys231Lys) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0028 in 1,613,930 control chromosomes in the GnomAD database, including 135 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.015 ( 67 hom., cov: 34)
Exomes 𝑓: 0.0015 ( 68 hom. )

Consequence

SPON2
NM_012445.4 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 1.30
Variant links:
Genes affected
SPON2 (HGNC:11253): (spondin 2) Predicted to enable antigen binding activity; lipopolysaccharide binding activity; and metal ion binding activity. Predicted to be involved in cell adhesion. Predicted to act upstream of or within several processes, including defense response to other organism; opsonization; and positive regulation of cytokine production. Located in extracellular exosome. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -19 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.29).
BP6
Variant 4-1170520-C-T is Benign according to our data. Variant chr4-1170520-C-T is described in ClinVar as [Benign]. Clinvar id is 787269.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=1.3 with no splicing effect.
BA1
GnomAdExome4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0526 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SPON2NM_012445.4 linkc.693G>A p.Lys231Lys synonymous_variant 5/6 ENST00000290902.10 NP_036577.2 Q9BUD6
SPON2NM_001128325.3 linkc.693G>A p.Lys231Lys synonymous_variant 6/7 NP_001121797.2 Q9BUD6
SPON2NM_001199021.2 linkc.693G>A p.Lys231Lys synonymous_variant 7/8 NP_001185950.2 Q9BUD6
LOC124900647XM_047416477.1 linkc.-2486-20580C>T intron_variant XP_047272433.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SPON2ENST00000290902.10 linkc.693G>A p.Lys231Lys synonymous_variant 5/61 NM_012445.4 ENSP00000290902.5 Q9BUD6
SPON2ENST00000431380.5 linkc.693G>A p.Lys231Lys synonymous_variant 6/75 ENSP00000394832.1 Q9BUD6
SPON2ENST00000617421.4 linkc.693G>A p.Lys231Lys synonymous_variant 7/85 ENSP00000483599.1 Q9BUD6
SPON2ENST00000509697.1 linkn.129G>A non_coding_transcript_exon_variant 2/23

Frequencies

GnomAD3 genomes
AF:
0.0148
AC:
2254
AN:
152164
Hom.:
68
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0513
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00622
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.0127
Gnomad NFE
AF:
0.000132
Gnomad OTH
AF:
0.00956
GnomAD3 exomes
AF:
0.00363
AC:
909
AN:
250542
Hom.:
22
AF XY:
0.00262
AC XY:
355
AN XY:
135574
show subpopulations
Gnomad AFR exome
AF:
0.0492
Gnomad AMR exome
AF:
0.00252
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:
0.0000884
Gnomad OTH exome
AF:
0.00229
GnomAD4 exome
AF:
0.00155
AC:
2259
AN:
1461648
Hom.:
68
Cov.:
39
AF XY:
0.00131
AC XY:
952
AN XY:
727112
show subpopulations
Gnomad4 AFR exome
AF:
0.0547
Gnomad4 AMR exome
AF:
0.00302
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000162
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000558
Gnomad4 OTH exome
AF:
0.00338
GnomAD4 genome
AF:
0.0148
AC:
2261
AN:
152282
Hom.:
67
Cov.:
34
AF XY:
0.0148
AC XY:
1102
AN XY:
74458
show subpopulations
Gnomad4 AFR
AF:
0.0513
Gnomad4 AMR
AF:
0.00621
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000132
Gnomad4 OTH
AF:
0.00946
Alfa
AF:
0.00516
Hom.:
7
Bravo
AF:
0.0168
Asia WGS
AF:
0.00318
AC:
12
AN:
3478
EpiCase
AF:
0.0000545
EpiControl
AF:
0.0000593

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpDec 04, 2017- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.29
CADD
Benign
13
DANN
Benign
0.56

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs7689089; hg19: chr4-1164308; API