2-105272899-C-T

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_004257.6(TGFBRAP1):​c.1928G>A​(p.Arg643Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000808 in 1,609,748 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 31)
Exomes 𝑓: 0.0000069 ( 0 hom. )

Consequence

TGFBRAP1
NM_004257.6 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.750
Variant links:
Genes affected
TGFBRAP1 (HGNC:16836): (transforming growth factor beta receptor associated protein 1) This gene encodes a protein that binds to transforming growth factor-beta (TGF-beta) receptors and plays a role in TGF-beta signaling. The encoded protein acts as a chaprone in signaling downstream of TGF-beta. It is involved in signal-dependent association with SMAD4. The protein is also a component of mammalian CORVET, a multisubunit tethering protein complex that is involved in fusion of early endosomes. [provided by RefSeq, Jun 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0980587).
BS2
High AC in GnomAdExome4 at 10 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TGFBRAP1NM_004257.6 linkuse as main transcriptc.1928G>A p.Arg643Gln missense_variant 10/12 ENST00000393359.7 NP_004248.2 Q8WUH2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TGFBRAP1ENST00000393359.7 linkuse as main transcriptc.1928G>A p.Arg643Gln missense_variant 10/121 NM_004257.6 ENSP00000377027.2 Q8WUH2
TGFBRAP1ENST00000595531.5 linkuse as main transcriptc.1928G>A p.Arg643Gln missense_variant 9/111 ENSP00000471434.2 Q8WUH2

Frequencies

GnomAD3 genomes
AF:
0.0000198
AC:
3
AN:
151784
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000484
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:
0.00000801
AC:
2
AN:
249646
Hom.:
0
AF XY:
0.0000148
AC XY:
2
AN XY:
135046
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000289
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:
0.00000686
AC:
10
AN:
1457964
Hom.:
0
Cov.:
32
AF XY:
0.00000689
AC XY:
5
AN XY:
725418
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000270
Gnomad4 OTH exome
AF:
0.0000497
GnomAD4 genome
AF:
0.0000198
AC:
3
AN:
151784
Hom.:
0
Cov.:
31
AF XY:
0.0000270
AC XY:
2
AN XY:
74088
show subpopulations
Gnomad4 AFR
AF:
0.0000484
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
Bravo
AF:
0.0000189
ExAC
AF:
0.00000824
AC:
1

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsApr 09, 2024The c.1928G>A (p.R643Q) alteration is located in exon 10 (coding exon 9) of the TGFBRAP1 gene. This alteration results from a G to A substitution at nucleotide position 1928, causing the arginine (R) at amino acid position 643 to be replaced by a glutamine (Q). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.067
BayesDel_addAF
Benign
-0.43
T
BayesDel_noAF
Benign
-0.76
CADD
Benign
0.90
DANN
Benign
0.50
DEOGEN2
Benign
0.073
T;T;T
Eigen
Benign
-1.2
Eigen_PC
Benign
-1.2
FATHMM_MKL
Benign
0.069
N
LIST_S2
Benign
0.68
T;.;.
M_CAP
Benign
0.0067
T
MetaRNN
Benign
0.098
T;T;T
MetaSVM
Benign
-0.95
T
MutationAssessor
Benign
-0.23
N;N;N
PrimateAI
Benign
0.20
T
PROVEAN
Benign
-0.090
.;N;N
REVEL
Benign
0.0060
Sift
Benign
0.54
.;T;T
Sift4G
Benign
0.56
T;T;T
Polyphen
0.0010
B;B;B
Vest4
0.12
MutPred
0.37
Loss of MoRF binding (P = 0.0201);Loss of MoRF binding (P = 0.0201);Loss of MoRF binding (P = 0.0201);
MVP
0.28
MPC
0.34
ClinPred
0.042
T
GERP RS
-1.8
Varity_R
0.013
gMVP
0.081

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: rs779468280; hg19: chr2-105889356; API