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chr12-56420646-T-C

Variant summary

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

The NM_003920.5(TIMELESS):ā€‹c.3151A>Gā€‹(p.Asn1051Asp) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000233 in 1,614,240 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.00024 ( 0 hom., cov: 32)
Exomes š‘“: 0.00023 ( 3 hom. )

Consequence

TIMELESS
NM_003920.5 missense

Scores

7
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.66
Variant links:
Genes affected
TIMELESS (HGNC:11813): (timeless circadian regulator) The protein encoded by this gene is highly conserved and is involved in cell survival after damage or stress, increase in DNA polymerase epsilon activity, maintenance of telomere length, and epithelial cell morphogenesis. The encoded protein also plays a role in the circadian rhythm autoregulatory loop, interacting with the PERIOD genes (PER1, PER2, and PER3) and others to downregulate activation of PER1 by CLOCK/ARNTL. Changes in this gene or its expression may promote prostate cancer, lung cancer, breast cancer, and mental disorders. [provided by RefSeq, Feb 2014]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.1688582).
BS2
High AC in GnomAd4 at 37 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TIMELESSNM_003920.5 linkuse as main transcriptc.3151A>G p.Asn1051Asp missense_variant 26/29 ENST00000553532.6
TIMELESSNM_001330295.2 linkuse as main transcriptc.3148A>G p.Asn1050Asp missense_variant 26/29
TIMELESSNR_138471.2 linkuse as main transcriptn.3288A>G non_coding_transcript_exon_variant 26/29

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TIMELESSENST00000553532.6 linkuse as main transcriptc.3151A>G p.Asn1051Asp missense_variant 26/291 NM_003920.5 P4Q9UNS1-1
TIMELESSENST00000229201.4 linkuse as main transcriptc.3148A>G p.Asn1050Asp missense_variant 26/295 A2Q9UNS1-2
TIMELESSENST00000553314.1 linkuse as main transcriptn.364A>G non_coding_transcript_exon_variant 2/33
TIMELESSENST00000557589.1 linkuse as main transcriptn.1719A>G non_coding_transcript_exon_variant 10/132

Frequencies

GnomAD3 genomes
AF:
0.000243
AC:
37
AN:
152230
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000193
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.000864
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.0158
Gnomad NFE
AF:
0.000265
Gnomad OTH
AF:
0.000479
GnomAD3 exomes
AF:
0.000231
AC:
58
AN:
251466
Hom.:
0
AF XY:
0.000324
AC XY:
44
AN XY:
135912
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.000202
Gnomad ASJ exome
AF:
0.000694
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000131
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000334
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000232
AC:
339
AN:
1461892
Hom.:
3
Cov.:
33
AF XY:
0.000263
AC XY:
191
AN XY:
727246
show subpopulations
Gnomad4 AFR exome
AF:
0.000866
Gnomad4 AMR exome
AF:
0.000201
Gnomad4 ASJ exome
AF:
0.000612
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000927
Gnomad4 FIN exome
AF:
0.0000374
Gnomad4 NFE exome
AF:
0.000153
Gnomad4 OTH exome
AF:
0.000695
GnomAD4 genome
AF:
0.000243
AC:
37
AN:
152348
Hom.:
0
Cov.:
32
AF XY:
0.000215
AC XY:
16
AN XY:
74506
show subpopulations
Gnomad4 AFR
AF:
0.000192
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.000864
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000265
Gnomad4 OTH
AF:
0.000474
Alfa
AF:
0.000261
Hom.:
0
Bravo
AF:
0.000155
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000349
AC:
3
ExAC
AF:
0.000206
AC:
25
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000654
EpiControl
AF:
0.000533

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 06, 2022The c.3151A>G (p.N1051D) alteration is located in exon 26 (coding exon 25) of the TIMELESS gene. This alteration results from a A to G substitution at nucleotide position 3151, causing the asparagine (N) at amino acid position 1051 to be replaced by an aspartic acid (D). 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
0.26
BayesDel_addAF
Benign
-0.30
T
BayesDel_noAF
Benign
-0.36
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.14
T;.
Eigen
Uncertain
0.25
Eigen_PC
Uncertain
0.38
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Uncertain
0.86
D;D
M_CAP
Benign
0.010
T
MetaRNN
Benign
0.17
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.9
M;.
MutationTaster
Benign
1.0
D;D;N
PrimateAI
Uncertain
0.56
T
PROVEAN
Benign
-2.0
N;N
REVEL
Benign
0.15
Sift
Benign
0.040
D;D
Sift4G
Benign
0.071
T;T
Polyphen
0.20
B;.
Vest4
0.49
MVP
0.52
MPC
0.22
ClinPred
0.15
T
GERP RS
5.3
Varity_R
0.77
gMVP
0.68

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: rs149631095; hg19: chr12-56814430; API