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chr3-120402809-G-A

Variant summary

Our verdict is Benign. Variant got -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS2

The NM_007085.5(FSTL1):​c.804C>T​(p.Asp268=) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00894 in 1,556,806 control chromosomes in the GnomAD database, including 121 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0073 ( 11 hom., cov: 31)
Exomes 𝑓: 0.0091 ( 110 hom. )

Consequence

FSTL1
NM_007085.5 splice_region, synonymous

Scores

2
Splicing: ADA: 0.0003314
2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -2.99
Variant links:
Genes affected
FSTL1 (HGNC:3972): (follistatin like 1) This gene encodes a protein with similarity to follistatin, an activin-binding protein. It contains an FS module, a follistatin-like sequence containing 10 conserved cysteine residues. This gene product is thought to be an autoantigen associated with rheumatoid arthritis. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -17 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.92).
BP6
Variant 3-120402809-G-A is Benign according to our data. Variant chr3-120402809-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 784017.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-2.99 with no splicing effect.
BS2
High AC in GnomAd4 at 1112 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
FSTL1NM_007085.5 linkuse as main transcriptc.804C>T p.Asp268= splice_region_variant, synonymous_variant 9/11 ENST00000295633.8
LRRC58-DTXR_007096031.1 linkuse as main transcriptn.964-12992G>A intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
FSTL1ENST00000295633.8 linkuse as main transcriptc.804C>T p.Asp268= splice_region_variant, synonymous_variant 9/111 NM_007085.5 P1Q12841-1
ENST00000494869.2 linkuse as main transcriptn.633-12992G>A intron_variant, non_coding_transcript_variant 5

Frequencies

GnomAD3 genomes
AF:
0.00732
AC:
1111
AN:
151854
Hom.:
11
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00177
Gnomad AMI
AF:
0.00329
Gnomad AMR
AF:
0.00367
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000194
Gnomad SAS
AF:
0.000417
Gnomad FIN
AF:
0.0328
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00904
Gnomad OTH
AF:
0.00766
GnomAD3 exomes
AF:
0.00821
AC:
2062
AN:
251070
Hom.:
20
AF XY:
0.00800
AC XY:
1085
AN XY:
135670
show subpopulations
Gnomad AFR exome
AF:
0.00172
Gnomad AMR exome
AF:
0.00136
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000686
Gnomad FIN exome
AF:
0.0332
Gnomad NFE exome
AF:
0.0105
Gnomad OTH exome
AF:
0.00929
GnomAD4 exome
AF:
0.00911
AC:
12804
AN:
1404834
Hom.:
110
Cov.:
26
AF XY:
0.00877
AC XY:
6161
AN XY:
702440
show subpopulations
Gnomad4 AFR exome
AF:
0.00139
Gnomad4 AMR exome
AF:
0.00112
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000517
Gnomad4 FIN exome
AF:
0.0356
Gnomad4 NFE exome
AF:
0.00973
Gnomad4 OTH exome
AF:
0.00760
GnomAD4 genome
AF:
0.00732
AC:
1112
AN:
151972
Hom.:
11
Cov.:
31
AF XY:
0.00787
AC XY:
584
AN XY:
74234
show subpopulations
Gnomad4 AFR
AF:
0.00176
Gnomad4 AMR
AF:
0.00367
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000194
Gnomad4 SAS
AF:
0.000417
Gnomad4 FIN
AF:
0.0328
Gnomad4 NFE
AF:
0.00906
Gnomad4 OTH
AF:
0.00758
Alfa
AF:
0.00824
Hom.:
17
Bravo
AF:
0.00497
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.00747
EpiControl
AF:
0.00765

ClinVar

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

Submissions by phenotype

not provided Benign:2
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenOct 01, 2023FSTL1: BP4, BP7, BS2 -
Benign, criteria provided, single submitterclinical testingInvitaeJul 29, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.92
CADD
Benign
0.33
DANN
Benign
0.59

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00033
dbscSNV1_RF
Benign
0.020
SpliceAI score (max)
0.070
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: rs139355917; hg19: chr3-120121656; COSMIC: COSV55235447; COSMIC: COSV55235447; API