Variant 17-59866705-G-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_016261.4(TUBD1):c.979C>T(p.Leu327Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,461,832 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

TUBD1
NM_016261.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.13

Variant links:

Genes affected

TUBD1 (HGNC:16811): (tubulin delta 1) Predicted to enable GTP binding activity. Predicted to be a structural constituent of cytoskeleton. Predicted to be involved in microtubule cytoskeleton organization; mitotic cell cycle; and positive regulation of smoothened signaling pathway. Located in cytosol and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

TUBD1 links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.061068863).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TUBD1	NM_016261.4 linkuse as main transcript	c.979C>T	p.Leu327Phe	missense_variant	7/9	ENST00000325752.8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TUBD1	ENST00000325752.8 linkuse as main transcript	c.979C>T	p.Leu327Phe	missense_variant	7/9	5	NM_016261.4	P1	Q9UJT1-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000398

AC:

AN:

251388

Hom.:

AF XY:

0.00000736

AC XY:

AN XY:

135880

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000879

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000205

AC:

AN:

1461832

Hom.:

Cov.:

AF XY:

0.00000413

AC XY:

AN XY:

727214

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000180

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Mar 20, 2023

The c.979C>T (p.L327F) alteration is located in exon 7 (coding exon 6) of the TUBD1 gene. This alteration results from a C to T substitution at nucleotide position 979, causing the leucine (L) at amino acid position 327 to be replaced by a phenylalanine (F). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.066

BayesDel_addAF

Benign

-0.11

BayesDel_noAF

Benign

-0.39

CADD

Benign

DANN

Benign

0.97

DEOGEN2

Benign

0.020

T;.;.;.;T;.

Eigen

Benign

-0.90

Eigen_PC

Benign

-0.88

FATHMM_MKL

Benign

0.25

LIST_S2

Benign

0.64

T;T;T;T;.;T

M_CAP

Benign

0.035

MetaRNN

Benign

0.061

T;T;T;T;T;T

MetaSVM

Benign

-0.84

MutationAssessor

Uncertain

2.4

M;.;.;M;M;.

MutationTaster

Benign

1.0

N;N;N;N;N;N;N

PrimateAI

Benign

0.26

PROVEAN

Benign

-0.35

N;N;N;N;.;N

REVEL

Benign

0.051

Sift

Benign

0.65

T;T;T;T;.;T

Sift4G

Benign

0.72

T;T;T;T;T;T

Polyphen

0.0

B;B;B;.;B;.

Vest4

0.13

MutPred

0.25

Loss of loop (P = 0.0112);.;.;Loss of loop (P = 0.0112);Loss of loop (P = 0.0112);.;

MVP

0.67

MPC

0.12

ClinPred

0.077

GERP RS

2.0

Varity_R

0.029

gMVP

0.36

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.090

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over