chr18-12308246-C-T

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_032525.3(TUBB6):​c.-47C>T variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.765 in 1,347,228 control chromosomes in the GnomAD database, including 398,993 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.67 ( 35168 hom., cov: 32)
Exomes 𝑓: 0.78 ( 363825 hom. )

Consequence

TUBB6
NM_032525.3 5_prime_UTR

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.148
Variant links:
Genes affected
TUBB6 (HGNC:20776): (tubulin beta 6 class V) Predicted to enable GTP binding activity. Predicted to be a structural constituent of cytoskeleton. Predicted to be involved in microtubule cytoskeleton organization and mitotic cell cycle. Located in microtubule. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.75).
BP6
Variant 18-12308246-C-T is Benign according to our data. Variant chr18-12308246-C-T is described in ClinVar as [Benign]. Clinvar id is 1684205.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (NFE) allele frequency at 95% confidence interval = 0.777 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TUBB6NM_032525.3 linkuse as main transcriptc.-47C>T 5_prime_UTR_variant 1/4 ENST00000317702.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TUBB6ENST00000317702.10 linkuse as main transcriptc.-47C>T 5_prime_UTR_variant 1/41 NM_032525.3 P1

Frequencies

GnomAD3 genomes
AF:
0.673
AC:
100152
AN:
148762
Hom.:
35157
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.468
Gnomad AMI
AF:
0.709
Gnomad AMR
AF:
0.629
Gnomad ASJ
AF:
0.743
Gnomad EAS
AF:
0.605
Gnomad SAS
AF:
0.770
Gnomad FIN
AF:
0.817
Gnomad MID
AF:
0.725
Gnomad NFE
AF:
0.782
Gnomad OTH
AF:
0.673
GnomAD3 exomes
AF:
0.748
AC:
64245
AN:
85892
Hom.:
24393
AF XY:
0.759
AC XY:
37557
AN XY:
49506
show subpopulations
Gnomad AFR exome
AF:
0.494
Gnomad AMR exome
AF:
0.591
Gnomad ASJ exome
AF:
0.749
Gnomad EAS exome
AF:
0.651
Gnomad SAS exome
AF:
0.789
Gnomad FIN exome
AF:
0.818
Gnomad NFE exome
AF:
0.803
Gnomad OTH exome
AF:
0.738
GnomAD4 exome
AF:
0.776
AC:
930172
AN:
1198358
Hom.:
363825
Cov.:
22
AF XY:
0.777
AC XY:
458477
AN XY:
590166
show subpopulations
Gnomad4 AFR exome
AF:
0.469
Gnomad4 AMR exome
AF:
0.603
Gnomad4 ASJ exome
AF:
0.754
Gnomad4 EAS exome
AF:
0.607
Gnomad4 SAS exome
AF:
0.782
Gnomad4 FIN exome
AF:
0.814
Gnomad4 NFE exome
AF:
0.792
Gnomad4 OTH exome
AF:
0.753
GnomAD4 genome
AF:
0.673
AC:
100181
AN:
148870
Hom.:
35168
Cov.:
32
AF XY:
0.675
AC XY:
48962
AN XY:
72588
show subpopulations
Gnomad4 AFR
AF:
0.468
Gnomad4 AMR
AF:
0.629
Gnomad4 ASJ
AF:
0.743
Gnomad4 EAS
AF:
0.606
Gnomad4 SAS
AF:
0.771
Gnomad4 FIN
AF:
0.817
Gnomad4 NFE
AF:
0.782
Gnomad4 OTH
AF:
0.675
Alfa
AF:
0.716
Hom.:
4660
Bravo
AF:
0.651
Asia WGS
AF:
0.655
AC:
2042
AN:
3122

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Facial palsy, congenital, with ptosis and velopharyngeal dysfunction Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabDec 05, 2021- -
not provided Benign:1
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.75
CADD
Benign
7.2
DANN
Benign
0.87

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs8086821; hg19: chr18-12308245; COSMIC: COSV58354438; COSMIC: COSV58354438; API