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GeneBe

10-133282347-G-A

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBP6_Very_Strong

The NM_006659.4(TUBGCP2):c.2290-5C>T variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000917 in 1,584,424 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00063 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00095 ( 2 hom. )

Consequence

TUBGCP2
NM_006659.4 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.00003168
2

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.500
Variant links:
Genes affected
TUBGCP2 (HGNC:18599): (tubulin gamma complex component 2) Predicted to enable gamma-tubulin binding activity. Predicted to contribute to microtubule minus-end binding activity. Involved in brain development and neuron migration. Located in centrosome and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -12 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.84).
BP6
Variant 10-133282347-G-A is Benign according to our data. Variant chr10-133282347-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 3025110.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TUBGCP2NM_006659.4 linkuse as main transcriptc.2290-5C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000252936.8
TUBGCP2NM_001256617.2 linkuse as main transcriptc.2374-5C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant
TUBGCP2NM_001256618.2 linkuse as main transcriptc.1900-5C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant
TUBGCP2NR_046330.2 linkuse as main transcriptn.3010-5C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TUBGCP2ENST00000252936.8 linkuse as main transcriptc.2290-5C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 2 NM_006659.4 P1Q9BSJ2-1

Frequencies

GnomAD3 genomes
AF:
0.000631
AC:
96
AN:
152190
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000169
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00164
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:
0.000926
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000577
AC:
132
AN:
228596
Hom.:
0
AF XY:
0.000601
AC XY:
75
AN XY:
124732
show subpopulations
Gnomad AFR exome
AF:
0.000135
Gnomad AMR exome
AF:
0.000751
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000188
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000942
Gnomad OTH exome
AF:
0.000540
GnomAD4 exome
AF:
0.000948
AC:
1357
AN:
1432114
Hom.:
2
Cov.:
31
AF XY:
0.000913
AC XY:
647
AN XY:
708838
show subpopulations
Gnomad4 AFR exome
AF:
0.0000621
Gnomad4 AMR exome
AF:
0.000757
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000145
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00114
Gnomad4 OTH exome
AF:
0.00105
GnomAD4 genome
AF:
0.000630
AC:
96
AN:
152310
Hom.:
0
Cov.:
33
AF XY:
0.000792
AC XY:
59
AN XY:
74464
show subpopulations
Gnomad4 AFR
AF:
0.000168
Gnomad4 AMR
AF:
0.00163
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000926
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000108
Hom.:
0
Bravo
AF:
0.000680

ClinVar

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

Submissions by phenotype

TUBGCP2-related disorder Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesJul 28, 2022This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -
not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenFeb 01, 2024TUBGCP2: BP4 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.84
Cadd
Benign
1.3
Dann
Benign
0.36

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000032
dbscSNV1_RF
Benign
0.0
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: rs112390120; hg19: chr10-135095851; API