22-27982396-G-C

Variant summary

Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_StrongBP6BA1

The NM_001145418.2(TTC28):ā€‹c.7271C>Gā€‹(p.Ala2424Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0428 in 1,551,410 control chromosomes in the GnomAD database, including 1,695 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (no stars).

Frequency

Genomes: š‘“ 0.033 ( 112 hom., cov: 31)
Exomes š‘“: 0.044 ( 1583 hom. )

Consequence

TTC28
NM_001145418.2 missense

Scores

18

Clinical Significance

Benign no assertion criteria provided B:1

Conservation

PhyloP100: 0.304
Variant links:
Genes affected
TTC28 (HGNC:29179): (tetratricopeptide repeat domain 28) Enables kinase binding activity. Involved in regulation of mitotic cell cycle. Located in midbody. [provided by Alliance of Genome Resources, Apr 2022]
TTC28-AS1 (HGNC:29336): (TTC28 antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -13 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0021651983).
BP6
Variant 22-27982396-G-C is Benign according to our data. Variant chr22-27982396-G-C is described in ClinVar as [Benign]. Clinvar id is 3056496.Status of the report is no_assertion_criteria_provided, 0 stars.
BA1
GnomAdExome4 highest subpopulation (MID) allele frequency at 95% confidence interval = 0.0724 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TTC28NM_001145418.2 linkc.7271C>G p.Ala2424Gly missense_variant 23/23 ENST00000397906.7 NP_001138890.1 Q96AY4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TTC28ENST00000397906.7 linkc.7271C>G p.Ala2424Gly missense_variant 23/231 NM_001145418.2 ENSP00000381003.2 Q96AY4

Frequencies

GnomAD3 genomes
AF:
0.0326
AC:
4964
AN:
152064
Hom.:
112
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00828
Gnomad AMI
AF:
0.0263
Gnomad AMR
AF:
0.0340
Gnomad ASJ
AF:
0.0704
Gnomad EAS
AF:
0.000386
Gnomad SAS
AF:
0.00894
Gnomad FIN
AF:
0.0280
Gnomad MID
AF:
0.0665
Gnomad NFE
AF:
0.0497
Gnomad OTH
AF:
0.0426
GnomAD3 exomes
AF:
0.0347
AC:
5415
AN:
156262
Hom.:
132
AF XY:
0.0340
AC XY:
2817
AN XY:
82824
show subpopulations
Gnomad AFR exome
AF:
0.00758
Gnomad AMR exome
AF:
0.0283
Gnomad ASJ exome
AF:
0.0753
Gnomad EAS exome
AF:
0.000183
Gnomad SAS exome
AF:
0.0115
Gnomad FIN exome
AF:
0.0295
Gnomad NFE exome
AF:
0.0507
Gnomad OTH exome
AF:
0.0452
GnomAD4 exome
AF:
0.0439
AC:
61405
AN:
1399228
Hom.:
1583
Cov.:
30
AF XY:
0.0429
AC XY:
29612
AN XY:
690128
show subpopulations
Gnomad4 AFR exome
AF:
0.00817
Gnomad4 AMR exome
AF:
0.0293
Gnomad4 ASJ exome
AF:
0.0738
Gnomad4 EAS exome
AF:
0.000112
Gnomad4 SAS exome
AF:
0.0106
Gnomad4 FIN exome
AF:
0.0298
Gnomad4 NFE exome
AF:
0.0492
Gnomad4 OTH exome
AF:
0.0423
GnomAD4 genome
AF:
0.0326
AC:
4964
AN:
152182
Hom.:
112
Cov.:
31
AF XY:
0.0306
AC XY:
2279
AN XY:
74378
show subpopulations
Gnomad4 AFR
AF:
0.00824
Gnomad4 AMR
AF:
0.0340
Gnomad4 ASJ
AF:
0.0704
Gnomad4 EAS
AF:
0.000387
Gnomad4 SAS
AF:
0.00936
Gnomad4 FIN
AF:
0.0280
Gnomad4 NFE
AF:
0.0497
Gnomad4 OTH
AF:
0.0422
Alfa
AF:
0.0469
Hom.:
150
Bravo
AF:
0.0340
TwinsUK
AF:
0.0558
AC:
207
ALSPAC
AF:
0.0475
AC:
183
ESP6500AA
AF:
0.00867
AC:
12
ESP6500EA
AF:
0.0603
AC:
192
ExAC
AF:
0.0267
AC:
709
Asia WGS
AF:
0.00693
AC:
26
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

TTC28-related disorder Benign:1
Benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesJan 03, 2020This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.070
BayesDel_addAF
Benign
-0.53
T
BayesDel_noAF
Benign
-0.49
CADD
Benign
0.079
DANN
Benign
0.62
DEOGEN2
Benign
0.013
T;T
Eigen
Benign
-1.0
Eigen_PC
Benign
-1.1
FATHMM_MKL
Benign
0.21
N
LIST_S2
Benign
0.55
T;T
MetaRNN
Benign
0.0022
T;T
MetaSVM
Benign
-0.96
T
MutationAssessor
Benign
0.90
.;L
PrimateAI
Benign
0.23
T
PROVEAN
Benign
-0.32
.;N
REVEL
Benign
0.13
Sift
Benign
0.45
.;T
Sift4G
Benign
0.58
T;T
Polyphen
0.0
.;B
Vest4
0.024
ClinPred
0.0014
T
GERP RS
0.18
Varity_R
0.033
gMVP
0.068

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: rs41278845; hg19: chr22-28378384; COSMIC: COSV67413171; COSMIC: COSV67413171; API