rs918200359

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_000358.3(TGFBI):​c.14T>C​(p.Val5Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000393 in 1,527,680 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000043 ( 0 hom. )

Consequence

TGFBI
NM_000358.3 missense

Scores

1
2
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.527

Publications

0 publications found
Variant links:
Genes affected
TGFBI (HGNC:11771): (transforming growth factor beta induced) This gene encodes an RGD-containing protein that binds to type I, II and IV collagens. The RGD motif is found in many extracellular matrix proteins modulating cell adhesion and serves as a ligand recognition sequence for several integrins. This protein plays a role in cell-collagen interactions and may be involved in endochondrial bone formation in cartilage. The protein is induced by transforming growth factor-beta and acts to inhibit cell adhesion. Mutations in this gene are associated with multiple types of corneal dystrophy. [provided by RefSeq, Jul 2008]
TGFBI Gene-Disease associations (from GenCC):
  • epithelial-stromal TGFBI dystrophy
    Inheritance: AD Classification: DEFINITIVE Submitted by: Ambry Genetics
  • granular corneal dystrophy type I
    Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), G2P
  • granular corneal dystrophy type II
    Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, G2P
  • lattice corneal dystrophy type I
    Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: G2P, Orphanet
  • Reis-Bucklers corneal dystrophy
    Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, G2P
  • Thiel-Behnke corneal dystrophy
    Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, G2P
  • epithelial basement membrane dystrophy
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.1202932).
BS2
High AC in GnomAdExome4 at 59 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TGFBINM_000358.3 linkc.14T>C p.Val5Ala missense_variant Exon 1 of 17 ENST00000442011.7 NP_000349.1 Q15582A0A0S2Z4Q2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TGFBIENST00000442011.7 linkc.14T>C p.Val5Ala missense_variant Exon 1 of 17 1 NM_000358.3 ENSP00000416330.2 Q15582
TGFBIENST00000504185.5 linkn.82T>C non_coding_transcript_exon_variant Exon 1 of 5 4
TGFBIENST00000506699.5 linkn.79T>C non_coding_transcript_exon_variant Exon 1 of 17 2
TGFBIENST00000507018.5 linkn.-71T>C upstream_gene_variant 5 ENSP00000421540.1 H0Y8M8

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152192
Hom.:
0
Cov.:
32
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00
AC:
0
AN:
124018
AF XY:
0.00
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 FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000429
AC:
59
AN:
1375488
Hom.:
0
Cov.:
31
AF XY:
0.0000486
AC XY:
33
AN XY:
678960
show subpopulations
African (AFR)
AF:
0.0000335
AC:
1
AN:
29856
American (AMR)
AF:
0.00
AC:
0
AN:
35426
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
24850
East Asian (EAS)
AF:
0.00
AC:
0
AN:
34784
South Asian (SAS)
AF:
0.00
AC:
0
AN:
78458
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
34290
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4074
European-Non Finnish (NFE)
AF:
0.0000539
AC:
58
AN:
1076266
Other (OTH)
AF:
0.00
AC:
0
AN:
57484
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.497
Heterozygous variant carriers
0
3
7
10
14
17
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
4
8
12
16
20
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152192
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74344
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41476
American (AMR)
AF:
0.00
AC:
0
AN:
15288
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5162
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10628
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
314
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68016
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.575
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000340

ClinVar

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

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Jun 02, 2024
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.14T>C (p.V5A) alteration is located in exon 1 (coding exon 1) of the TGFBI gene. This alteration results from a T to C substitution at nucleotide position 14, causing the valine (V) at amino acid position 5 to be replaced by an alanine (A). 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
0.076
BayesDel_addAF
Benign
-0.022
T
BayesDel_noAF
Benign
-0.27
CADD
Benign
18
DANN
Benign
0.87
DEOGEN2
Benign
0.20
T
Eigen
Benign
-0.99
Eigen_PC
Benign
-0.99
FATHMM_MKL
Benign
0.069
N
LIST_S2
Benign
0.39
T
M_CAP
Uncertain
0.25
D
MetaRNN
Benign
0.12
T
MetaSVM
Benign
-0.52
T
MutationAssessor
Benign
0.0
N
PhyloP100
0.53
PrimateAI
Pathogenic
0.80
T
PROVEAN
Benign
0.020
N
REVEL
Benign
0.14
Sift
Uncertain
0.015
D
Sift4G
Benign
0.14
T
Polyphen
0.0030
B
Vest4
0.071
MutPred
0.42
Gain of disorder (P = 0.0146);
MVP
0.71
MPC
0.070
ClinPred
0.069
T
GERP RS
1.7
PromoterAI
-0.082
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.0
Varity_R
0.081
gMVP
0.35
Mutation Taster
=87/13
polymorphism

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

Other links and lift over

dbSNP: rs918200359; hg19: chr5-135364758; API