rs146684823

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_032525.3(TUBB6):​c.505G>A​(p.Val169Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000904 in 1,614,236 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00038 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000060 ( 0 hom. )

Consequence

TUBB6
NM_032525.3 missense

Scores

2
7
9

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.86

Publications

0 publications found
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]
TUBB6 Gene-Disease associations (from GenCC):
  • facial palsy, congenital, with ptosis and velopharyngeal dysfunction
    Inheritance: Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.07464895).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032525.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TUBB6
NM_032525.3
MANE Select
c.505G>Ap.Val169Ile
missense
Exon 4 of 4NP_115914.1Q9BUF5
TUBB6
NM_001303524.1
c.505G>Ap.Val169Ile
missense
Exon 5 of 5NP_001290453.1Q9BUF5
TUBB6
NM_001303526.2
c.394G>Ap.Val132Ile
missense
Exon 3 of 3NP_001290455.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TUBB6
ENST00000317702.10
TSL:1 MANE Select
c.505G>Ap.Val169Ile
missense
Exon 4 of 4ENSP00000318697.4Q9BUF5
TUBB6
ENST00000591909.5
TSL:1
c.278-3852G>A
intron
N/AENSP00000465040.1K7EJ64
TUBB6
ENST00000586810.5
TSL:1
n.*546G>A
non_coding_transcript_exon
Exon 5 of 5ENSP00000467348.1K7EPE5

Frequencies

GnomAD3 genomes
AF:
0.000381
AC:
58
AN:
152226
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00130
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000941
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.000478
GnomAD2 exomes
AF:
0.000103
AC:
26
AN:
251486
AF XY:
0.0000736
show subpopulations
Gnomad AFR exome
AF:
0.00141
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000602
AC:
88
AN:
1461892
Hom.:
0
Cov.:
31
AF XY:
0.0000385
AC XY:
28
AN XY:
727248
show subpopulations
African (AFR)
AF:
0.00191
AC:
64
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86258
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53420
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.0000144
AC:
16
AN:
1112010
Other (OTH)
AF:
0.000116
AC:
7
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.457
Heterozygous variant carriers
0
7
13
20
26
33
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
4
8
12
16
20
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.000381
AC:
58
AN:
152344
Hom.:
0
Cov.:
33
AF XY:
0.000389
AC XY:
29
AN XY:
74502
show subpopulations
African (AFR)
AF:
0.00130
AC:
54
AN:
41584
American (AMR)
AF:
0.0000653
AC:
1
AN:
15304
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5182
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4832
European-Finnish (FIN)
AF:
0.0000941
AC:
1
AN:
10622
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68032
Other (OTH)
AF:
0.000473
AC:
1
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.519
Heterozygous variant carriers
0
3
6
8
11
14
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000311
Hom.:
0
Bravo
AF:
0.000510
ESP6500AA
AF:
0.00182
AC:
8
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000123
AC:
15
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

ClinVar submissions as Germline
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.14
BayesDel_addAF
Uncertain
0.094
D
BayesDel_noAF
Benign
-0.10
CADD
Uncertain
26
DANN
Uncertain
0.98
DEOGEN2
Benign
0.21
T
Eigen
Uncertain
0.37
Eigen_PC
Uncertain
0.48
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.93
D
M_CAP
Benign
0.029
D
MetaRNN
Benign
0.075
T
MetaSVM
Benign
-0.44
T
MutationAssessor
Benign
1.4
L
PhyloP100
9.9
PrimateAI
Pathogenic
0.80
T
PROVEAN
Benign
-0.72
N
REVEL
Uncertain
0.41
Sift
Uncertain
0.0050
D
Sift4G
Benign
0.26
T
Polyphen
0.39
B
Vest4
0.54
MVP
0.80
MPC
1.9
ClinPred
0.12
T
GERP RS
5.0
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.34
gMVP
0.59
Mutation Taster
=18/82
disease causing

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

Other links and lift over

dbSNP: rs146684823; hg19: chr18-12325293; API