chr22-50218196-C-T

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_020461.4(TUBGCP6):​c.5161G>A​(p.Val1721Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000279 in 1,611,600 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/18 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000029 ( 0 hom. )

Consequence

TUBGCP6
NM_020461.4 missense

Scores

1
14

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:3

Conservation

PhyloP100: 1.76

Publications

2 publications found
Variant links:
Genes affected
TUBGCP6 (HGNC:18127): (tubulin gamma complex component 6) The protein encoded by this gene is part of a large multisubunit complex required for microtubule nucleation at the centrosome. [provided by RefSeq, Jul 2008]
TUBGCP6 Gene-Disease associations (from GenCC):
  • microcephaly and chorioretinopathy 1
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, G2P, ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.13055557).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_020461.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TUBGCP6
NM_020461.4
MANE Select
c.5161G>Ap.Val1721Ile
missense
Exon 23 of 25NP_065194.3

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
TUBGCP6
ENST00000248846.10
TSL:1 MANE Select
c.5161G>Ap.Val1721Ile
missense
Exon 23 of 25ENSP00000248846.5
TUBGCP6
ENST00000425018.1
TSL:1
c.1187G>Ap.Arg396His
missense
Exon 8 of 10ENSP00000405979.1
TUBGCP6
ENST00000439308.7
TSL:1
n.*738G>A
non_coding_transcript_exon
Exon 23 of 25ENSP00000397387.2

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152226
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000566
AC:
14
AN:
247492
AF XY:
0.0000670
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000552
Gnomad FIN exome
AF:
0.0000978
Gnomad NFE exome
AF:
0.0000983
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000288
AC:
42
AN:
1459374
Hom.:
0
Cov.:
37
AF XY:
0.0000317
AC XY:
23
AN XY:
726020
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33476
American (AMR)
AF:
0.0000448
AC:
2
AN:
44680
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26110
East Asian (EAS)
AF:
0.0000252
AC:
1
AN:
39688
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86252
European-Finnish (FIN)
AF:
0.000117
AC:
6
AN:
51338
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.0000261
AC:
29
AN:
1111708
Other (OTH)
AF:
0.0000497
AC:
3
AN:
60354
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.511
Heterozygous variant carriers
0
3
6
10
13
16
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152226
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74368
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41468
American (AMR)
AF:
0.00
AC:
0
AN:
15288
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5186
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10624
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000294
AC:
2
AN:
68034
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.558
Heterozygous variant carriers
0
0
1
1
2
2
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:
0.0000393
Hom.:
0
Bravo
AF:
0.0000340
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000989
AC:
12

ClinVar

ClinVar submissions as Germline
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
Inborn genetic diseases (1)
-
1
-
not provided (1)
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.089
BayesDel_addAF
Benign
-0.45
T
BayesDel_noAF
Benign
-0.71
CADD
Benign
15
DANN
Pathogenic
1.0
Eigen
Benign
-0.33
Eigen_PC
Benign
-0.21
FATHMM_MKL
Benign
0.61
D
LIST_S2
Benign
0.30
T
M_CAP
Benign
0.011
T
MetaRNN
Benign
0.13
T
MetaSVM
Benign
-0.95
T
PhyloP100
1.8
PROVEAN
Benign
-0.84
N
REVEL
Benign
0.034
Sift
Benign
0.079
T
Sift4G
Benign
0.15
T
MVP
0.19
ClinPred
0.050
T
GERP RS
2.6
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.0
Varity_R
0.018
Mutation Taster
=96/4
polymorphism

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: rs377506638; hg19: chr22-50656625; COSMIC: COSV50597735; COSMIC: COSV50597735; API