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chr6-30720650-G-T

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBA1

The NM_178014.4(TUBB):​c.57+87G>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.208 in 1,155,722 control chromosomes in the GnomAD database, including 29,058 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.26 ( 6353 hom., cov: 32)
Exomes 𝑓: 0.20 ( 22705 hom. )

Consequence

TUBB
NM_178014.4 intron

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.782
Variant links:
Genes affected
TUBB (HGNC:20778): (tubulin beta class I) This gene encodes a beta tubulin protein. This protein forms a dimer with alpha tubulin and acts as a structural component of microtubules. Mutations in this gene cause cortical dysplasia, complex, with other brain malformations 6. Alternative splicing results in multiple splice variants. There are multiple pseudogenes for this gene on chromosomes 1, 6, 7, 8, 9, and 13. [provided by RefSeq, Jun 2014]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.79).
BP6
Variant 6-30720650-G-T is Benign according to our data. Variant chr6-30720650-G-T is described in ClinVar as [Benign]. Clinvar id is 1240826.Status of the report is criteria_provided_single_submitter, 1 stars.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.448 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TUBBNM_178014.4 linkuse as main transcriptc.57+87G>T intron_variant ENST00000327892.13
TUBBNM_001293213.2 linkuse as main transcriptc.57+87G>T intron_variant
TUBBNM_001293214.2 linkuse as main transcriptc.34+110G>T intron_variant
TUBBNR_120608.2 linkuse as main transcriptn.212+87G>T intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TUBBENST00000327892.13 linkuse as main transcriptc.57+87G>T intron_variant 1 NM_178014.4 P1
TUBBENST00000681435.1 linkuse as main transcriptc.-159-1887G>T intron_variant

Frequencies

GnomAD3 genomes
AF:
0.260
AC:
39506
AN:
151938
Hom.:
6331
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.453
Gnomad AMI
AF:
0.174
Gnomad AMR
AF:
0.188
Gnomad ASJ
AF:
0.187
Gnomad EAS
AF:
0.178
Gnomad SAS
AF:
0.156
Gnomad FIN
AF:
0.102
Gnomad MID
AF:
0.266
Gnomad NFE
AF:
0.202
Gnomad OTH
AF:
0.266
GnomAD4 exome
AF:
0.200
AC:
200257
AN:
1003666
Hom.:
22705
AF XY:
0.197
AC XY:
101113
AN XY:
512236
show subpopulations
Gnomad4 AFR exome
AF:
0.461
Gnomad4 AMR exome
AF:
0.146
Gnomad4 ASJ exome
AF:
0.194
Gnomad4 EAS exome
AF:
0.193
Gnomad4 SAS exome
AF:
0.144
Gnomad4 FIN exome
AF:
0.109
Gnomad4 NFE exome
AF:
0.205
Gnomad4 OTH exome
AF:
0.212
GnomAD4 genome
AF:
0.260
AC:
39560
AN:
152056
Hom.:
6353
Cov.:
32
AF XY:
0.250
AC XY:
18610
AN XY:
74342
show subpopulations
Gnomad4 AFR
AF:
0.453
Gnomad4 AMR
AF:
0.187
Gnomad4 ASJ
AF:
0.187
Gnomad4 EAS
AF:
0.177
Gnomad4 SAS
AF:
0.155
Gnomad4 FIN
AF:
0.102
Gnomad4 NFE
AF:
0.202
Gnomad4 OTH
AF:
0.268
Alfa
AF:
0.210
Hom.:
3896
Bravo
AF:
0.276
Asia WGS
AF:
0.225
AC:
781
AN:
3478

ClinVar

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

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingGeneDxJun 26, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.79
CADD
Benign
1.8
DANN
Benign
0.24
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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: rs3132584; hg19: chr6-30688427; COSMIC: COSV58357732; COSMIC: COSV58357732; API