21-37188565-C-G

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_001330683.2(TTC3):ā€‹c.4994C>Gā€‹(p.Ala1665Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000281 in 1,613,918 control chromosomes in the GnomAD database, including 3 homozygotes. 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 Likely benign (ā˜…).

Frequency

Genomes: š‘“ 0.00024 ( 0 hom., cov: 32)
Exomes š‘“: 0.00029 ( 3 hom. )

Consequence

TTC3
NM_001330683.2 missense

Scores

19

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.0950
Variant links:
Genes affected
TTC3 (HGNC:12393): (tetratricopeptide repeat domain 3) Enables ubiquitin-protein transferase activity. Involved in protein K48-linked ubiquitination and ubiquitin-dependent protein catabolic process. Located in cytosol; nucleolus; and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]
TTC3-AS1 (HGNC:40595): (TTC3 antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.003087908).
BP6
Variant 21-37188565-C-G is Benign according to our data. Variant chr21-37188565-C-G is described in ClinVar as [Likely_benign]. Clinvar id is 773091.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High Homozygotes in GnomAdExome4 at 3 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TTC3NM_001330683.2 linkuse as main transcriptc.4994C>G p.Ala1665Gly missense_variant 39/46 ENST00000418766.6 NP_001317612.1
TTC3-AS1NR_046651.1 linkuse as main transcriptn.198G>C non_coding_transcript_exon_variant 2/2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TTC3ENST00000418766.6 linkuse as main transcriptc.4994C>G p.Ala1665Gly missense_variant 39/465 NM_001330683.2 ENSP00000403943 P2P53804-1
TTC3-AS1ENST00000424733.1 linkuse as main transcriptn.198G>C non_coding_transcript_exon_variant 2/21

Frequencies

GnomAD3 genomes
AF:
0.000237
AC:
36
AN:
152026
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000196
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00155
Gnomad SAS
AF:
0.000621
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.000235
Gnomad OTH
AF:
0.00144
GnomAD3 exomes
AF:
0.000617
AC:
155
AN:
251394
Hom.:
0
AF XY:
0.000640
AC XY:
87
AN XY:
135860
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000520
Gnomad ASJ exome
AF:
0.0000992
Gnomad EAS exome
AF:
0.00343
Gnomad SAS exome
AF:
0.00101
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000334
Gnomad OTH exome
AF:
0.000653
GnomAD4 exome
AF:
0.000285
AC:
417
AN:
1461774
Hom.:
3
Cov.:
30
AF XY:
0.000308
AC XY:
224
AN XY:
727190
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000492
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00146
Gnomad4 SAS exome
AF:
0.000985
Gnomad4 FIN exome
AF:
0.0000187
Gnomad4 NFE exome
AF:
0.000188
Gnomad4 OTH exome
AF:
0.000480
GnomAD4 genome
AF:
0.000237
AC:
36
AN:
152144
Hom.:
0
Cov.:
32
AF XY:
0.000229
AC XY:
17
AN XY:
74366
show subpopulations
Gnomad4 AFR
AF:
0.0000482
Gnomad4 AMR
AF:
0.000196
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00155
Gnomad4 SAS
AF:
0.000622
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000235
Gnomad4 OTH
AF:
0.00142
Alfa
AF:
0.000282
Hom.:
0
Bravo
AF:
0.000332
TwinsUK
AF:
0.000539
AC:
2
ALSPAC
AF:
0.00
AC:
0
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000349
AC:
3
ExAC
AF:
0.000544
AC:
66
EpiCase
AF:
0.000327
EpiControl
AF:
0.000533

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpDec 28, 2017- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.086
BayesDel_addAF
Benign
-0.70
T
BayesDel_noAF
Benign
-0.78
CADD
Benign
10
DANN
Benign
0.91
DEOGEN2
Benign
0.022
T;T;T
Eigen
Benign
-1.0
Eigen_PC
Benign
-0.96
FATHMM_MKL
Benign
0.028
N
LIST_S2
Benign
0.68
T;.;.
M_CAP
Benign
0.0054
T
MetaRNN
Benign
0.0031
T;T;T
MetaSVM
Benign
-0.94
T
MutationAssessor
Benign
0.14
N;N;N
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.25
T
PROVEAN
Benign
-1.2
N;N;N
REVEL
Benign
0.11
Sift
Benign
0.27
T;T;T
Sift4G
Benign
0.49
T;T;T
Polyphen
0.0
B;B;B
Vest4
0.071
MVP
0.20
MPC
0.089
ClinPred
0.0071
T
GERP RS
-0.33
RBP_binding_hub_radar
1.1
RBP_regulation_power_radar
2.2
Varity_R
0.043
gMVP
0.058

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: rs148719957; hg19: chr21-38560866; API