8-55785806-G-A

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS2

The NM_001363184.2(TGS1):​c.-26G>A variant causes a 5 prime UTR premature start codon gain change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00627 in 1,613,986 control chromosomes in the GnomAD database, including 36 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0040 ( 2 hom., cov: 32)
Exomes 𝑓: 0.0065 ( 34 hom. )

Consequence

TGS1
NM_001363184.2 5_prime_UTR_premature_start_codon_gain

Scores

19

Clinical Significance

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

Conservation

PhyloP100: 0.0660
Variant links:
Genes affected
TGS1 (HGNC:17843): (trimethylguanosine synthase 1) Enables RNA trimethylguanosine synthase activity. Involved in 7-methylguanosine cap hypermethylation. Located in cytosol and nucleus. [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 -16 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0055455863).
BP6
Variant 8-55785806-G-A is Benign according to our data. Variant chr8-55785806-G-A is described in ClinVar as [Benign]. Clinvar id is 776600.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS2
High Homozygotes in GnomAd4 at 2 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TGS1NM_024831.8 linkuse as main transcriptc.254G>A p.Ser85Asn missense_variant 3/13 ENST00000260129.6 NP_079107.6 Q96RS0

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TGS1ENST00000260129.6 linkuse as main transcriptc.254G>A p.Ser85Asn missense_variant 3/131 NM_024831.8 ENSP00000260129.5 Q96RS0
TGS1ENST00000523948.5 linkuse as main transcriptn.*27G>A non_coding_transcript_exon_variant 2/111 ENSP00000430467.1 E5RJW7
TGS1ENST00000523948.5 linkuse as main transcriptn.*27G>A 3_prime_UTR_variant 2/111 ENSP00000430467.1 E5RJW7

Frequencies

GnomAD3 genomes
AF:
0.00398
AC:
606
AN:
152204
Hom.:
2
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00121
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00268
Gnomad ASJ
AF:
0.00806
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000829
Gnomad FIN
AF:
0.00311
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00656
Gnomad OTH
AF:
0.00191
GnomAD3 exomes
AF:
0.00437
AC:
1097
AN:
251176
Hom.:
3
AF XY:
0.00439
AC XY:
596
AN XY:
135746
show subpopulations
Gnomad AFR exome
AF:
0.00123
Gnomad AMR exome
AF:
0.00223
Gnomad ASJ exome
AF:
0.00883
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00134
Gnomad FIN exome
AF:
0.00240
Gnomad NFE exome
AF:
0.00700
Gnomad OTH exome
AF:
0.00375
GnomAD4 exome
AF:
0.00651
AC:
9512
AN:
1461664
Hom.:
34
Cov.:
30
AF XY:
0.00630
AC XY:
4584
AN XY:
727148
show subpopulations
Gnomad4 AFR exome
AF:
0.000896
Gnomad4 AMR exome
AF:
0.00235
Gnomad4 ASJ exome
AF:
0.00788
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00123
Gnomad4 FIN exome
AF:
0.00285
Gnomad4 NFE exome
AF:
0.00771
Gnomad4 OTH exome
AF:
0.00525
GnomAD4 genome
AF:
0.00398
AC:
606
AN:
152322
Hom.:
2
Cov.:
32
AF XY:
0.00372
AC XY:
277
AN XY:
74482
show subpopulations
Gnomad4 AFR
AF:
0.00120
Gnomad4 AMR
AF:
0.00268
Gnomad4 ASJ
AF:
0.00806
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000829
Gnomad4 FIN
AF:
0.00311
Gnomad4 NFE
AF:
0.00656
Gnomad4 OTH
AF:
0.00189
Alfa
AF:
0.00665
Hom.:
7
Bravo
AF:
0.00407
TwinsUK
AF:
0.00674
AC:
25
ALSPAC
AF:
0.00675
AC:
26
ESP6500AA
AF:
0.00113
AC:
5
ESP6500EA
AF:
0.00640
AC:
55
ExAC
AF:
0.00414
AC:
503
Asia WGS
AF:
0.000577
AC:
2
AN:
3478
EpiCase
AF:
0.00704
EpiControl
AF:
0.00706

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 submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJul 02, 2018- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.074
BayesDel_addAF
Benign
-0.68
T
BayesDel_noAF
Benign
-0.75
CADD
Benign
11
DANN
Benign
0.37
DEOGEN2
Benign
0.027
T
Eigen
Benign
-0.93
Eigen_PC
Benign
-0.79
FATHMM_MKL
Benign
0.74
D
LIST_S2
Benign
0.32
T
M_CAP
Benign
0.0050
T
MetaRNN
Benign
0.0055
T
MetaSVM
Benign
-0.98
T
MutationAssessor
Benign
0.90
L
PrimateAI
Benign
0.32
T
PROVEAN
Benign
0.30
N
REVEL
Benign
0.047
Sift
Benign
0.47
T
Sift4G
Benign
0.51
T
Polyphen
0.0
B
Vest4
0.12
MVP
0.32
MPC
0.021
ClinPred
0.0017
T
GERP RS
1.6
Varity_R
0.028
gMVP
0.091

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: rs61753685; hg19: chr8-56698365; COSMIC: COSV99036139; COSMIC: COSV99036139; API