chr20-37999238-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001303457.2(TTI1):​c.2743G>A​(p.Val915Ile) variant causes a missense change. The variant allele was found at a frequency of 0.0000494 in 1,518,416 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000048 ( 0 hom. )

Consequence

TTI1
NM_001303457.2 missense

Scores

3
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.73
Variant links:
Genes affected
TTI1 (HGNC:29029): (TELO2 interacting protein 1) Involved in regulation of TOR signaling. Located in cytoplasm. Part of TORC1 complex and TORC2 complex. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.02391085).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TTI1NM_001303457.2 linkuse as main transcriptc.2743G>A p.Val915Ile missense_variant 5/8 ENST00000373447.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TTI1ENST00000373447.8 linkuse as main transcriptc.2743G>A p.Val915Ile missense_variant 5/81 NM_001303457.2 P1
TTI1ENST00000373448.6 linkuse as main transcriptc.2743G>A p.Val915Ile missense_variant 6/91 P1
TTI1ENST00000449821.1 linkuse as main transcriptc.2743G>A p.Val915Ile missense_variant 4/72 P1
TTI1ENST00000473288.1 linkuse as main transcriptn.202G>A non_coding_transcript_exon_variant 2/45

Frequencies

GnomAD3 genomes
AF:
0.0000657
AC:
10
AN:
152114
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000589
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:
0.000281
AC:
54
AN:
192406
Hom.:
0
AF XY:
0.000200
AC XY:
21
AN XY:
105122
show subpopulations
Gnomad AFR exome
AF:
0.0000795
Gnomad AMR exome
AF:
0.00231
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000848
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000108
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000476
AC:
65
AN:
1366302
Hom.:
0
Cov.:
30
AF XY:
0.0000428
AC XY:
29
AN XY:
678022
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00159
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000878
Gnomad4 SAS exome
AF:
0.0000413
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000471
Gnomad4 OTH exome
AF:
0.0000179
GnomAD4 genome
AF:
0.0000657
AC:
10
AN:
152114
Hom.:
0
Cov.:
33
AF XY:
0.0000808
AC XY:
6
AN XY:
74302
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000589
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
Alfa
AF:
0.0000557
Hom.:
0
Bravo
AF:
0.000159
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000264
AC:
32

ClinVar

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

Submissions by phenotype

not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingGeneDxDec 09, 2023In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.49
T
BayesDel_noAF
Benign
-0.48
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.010
T;T;T
Eigen
Uncertain
0.24
Eigen_PC
Benign
0.15
FATHMM_MKL
Uncertain
0.87
D
LIST_S2
Benign
0.84
.;.;T
M_CAP
Benign
0.027
D
MetaRNN
Benign
0.024
T;T;T
MetaSVM
Benign
-0.80
T
MutationAssessor
Benign
1.8
L;L;L
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.43
T
PROVEAN
Benign
-0.50
N;N;N
REVEL
Benign
0.14
Sift
Benign
0.030
D;D;D
Sift4G
Benign
0.096
T;T;T
Polyphen
0.99
D;D;D
Vest4
0.38
MVP
0.43
MPC
0.43
ClinPred
0.042
T
GERP RS
3.6
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.2
Varity_R
0.042
gMVP
0.12

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: rs199765713; hg19: chr20-36627640; COSMIC: COSV65061538; API