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rs775078421

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 0P and 0B.

The NM_003244.4(TGIF1):c.337C>T(p.Arg113Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000682 in 1,614,080 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R113H) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

TGIF1
NM_003244.4 missense

Scores

6
9
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.02
Variant links:
Genes affected
TGIF1 (HGNC:11776): (TGFB induced factor homeobox 1) The protein encoded by this gene is a member of the three-amino acid loop extension (TALE) superclass of atypical homeodomains. TALE homeobox proteins are highly conserved transcription regulators. This particular homeodomain binds to a previously characterized retinoid X receptor responsive element from the cellular retinol-binding protein II promoter. In addition to its role in inhibiting 9-cis-retinoic acid-dependent RXR alpha transcription activation of the retinoic acid responsive element, the protein is an active transcriptional co-repressor of SMAD2 and may participate in the transmission of nuclear signals during development and in the adult. Mutations in this gene are associated with holoprosencephaly type 4, which is a structural anomaly of the brain. Alternative splicing has been observed at this locus and multiple splice variants encoding distinct isoforms are described. [provided by RefSeq, Jul 2013]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TGIF1NM_003244.4 linkuse as main transcriptc.337C>T p.Arg113Cys missense_variant 3/3 ENST00000343820.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TGIF1ENST00000343820.10 linkuse as main transcriptc.337C>T p.Arg113Cys missense_variant 3/31 NM_003244.4 P1Q15583-2

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152186
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251474
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135914
show subpopulations
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 SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000616
AC:
9
AN:
1461894
Hom.:
0
Cov.:
30
AF XY:
0.00000825
AC XY:
6
AN XY:
727248
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000719
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152186
Hom.:
0
Cov.:
33
AF XY:
0.0000135
AC XY:
1
AN XY:
74336
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
ExAC
AF:
0.0000165
AC:
2

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Holoprosencephaly 4 Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingMuenke lab, National Institutes of HealthMar 15, 2017- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.90
BayesDel_addAF
Uncertain
0.034
T
BayesDel_noAF
Benign
-0.090
Cadd
Pathogenic
33
Dann
Pathogenic
1.0
Eigen
Pathogenic
0.69
Eigen_PC
Uncertain
0.64
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Uncertain
0.95
D;.;D;.;D;D;D;.;D;D;.;.;D;D;D;.;D;.
M_CAP
Uncertain
0.099
D
MetaRNN
Uncertain
0.68
D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;D
MetaSVM
Uncertain
0.18
D
MutationTaster
Benign
1.0
D;D;D;D;D;D;D;D;D;D;D
PrimateAI
Uncertain
0.67
T
PROVEAN
Pathogenic
-7.3
D;D;D;.;.;D;D;D;D;D;D;D;D;D;D;D;D;D
REVEL
Uncertain
0.37
Sift
Pathogenic
0.0
D;D;D;.;.;D;D;D;D;D;D;D;D;D;D;D;D;D
Sift4G
Pathogenic
0.0010
D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;D;D
Polyphen
1.0
.;.;.;.;.;.;.;D;D;.;.;.;D;.;.;.;.;.
Vest4
0.36, 0.36, 0.41, 0.36, 0.35, 0.51, 0.35, 0.36, 0.34
MutPred
0.53
.;.;.;.;.;.;.;.;.;.;.;.;Loss of solvent accessibility (P = 0.0079);.;.;.;.;.;
MVP
0.91
MPC
1.3
ClinPred
0.99
D
GERP RS
4.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.81
gMVP
0.89

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: rs775078421; hg19: chr18-3457456; API