chr10-122083671-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_206862.4(TACC2):ā€‹c.1171G>Cā€‹(p.Val391Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,459,590 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 6.9e-7 ( 0 hom. )

Consequence

TACC2
NM_206862.4 missense

Scores

3
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.710
Variant links:
Genes affected
TACC2 (HGNC:11523): (transforming acidic coiled-coil containing protein 2) Transforming acidic coiled-coil proteins are a conserved family of centrosome- and microtubule-interacting proteins that are implicated in cancer. This gene encodes a protein that concentrates at centrosomes throughout the cell cycle. This gene lies within a chromosomal region associated with tumorigenesis. Expression of this gene is induced by erythropoietin and is thought to affect the progression of breast tumors. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.08220446).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TACC2NM_206862.4 linkuse as main transcriptc.1171G>C p.Val391Leu missense_variant 4/23 ENST00000369005.6 NP_996744.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TACC2ENST00000369005.6 linkuse as main transcriptc.1171G>C p.Val391Leu missense_variant 4/231 NM_206862.4 ENSP00000358001 O95359-4

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
6.85e-7
AC:
1
AN:
1459590
Hom.:
0
Cov.:
42
AF XY:
0.00
AC XY:
0
AN XY:
726218
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

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 submitterclinical testingAmbry GeneticsFeb 07, 2023The c.1171G>C (p.V391L) alteration is located in exon 4 (coding exon 3) of the TACC2 gene. This alteration results from a G to C substitution at nucleotide position 1171, causing the valine (V) at amino acid position 391 to be replaced by a leucine (L). 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
0.28
BayesDel_addAF
Benign
-0.26
T
BayesDel_noAF
Benign
-0.61
CADD
Benign
12
DANN
Uncertain
0.99
DEOGEN2
Benign
0.021
T;T;T;T;T
Eigen
Benign
-0.42
Eigen_PC
Benign
-0.42
FATHMM_MKL
Benign
0.13
N
LIST_S2
Benign
0.74
.;.;T;T;T
M_CAP
Benign
0.0043
T
MetaRNN
Benign
0.082
T;T;T;T;T
MetaSVM
Benign
-0.93
T
MutationAssessor
Benign
1.7
L;.;.;L;.
MutationTaster
Benign
1.0
N;N;N;N;N;N;N
PrimateAI
Benign
0.29
T
PROVEAN
Benign
-0.44
N;N;N;N;N
REVEL
Benign
0.046
Sift
Uncertain
0.0030
D;D;D;D;D
Sift4G
Uncertain
0.030
D;T;T;D;T
Polyphen
0.61
P;P;P;P;P
Vest4
0.097
MutPred
0.25
Gain of catalytic residue at V391 (P = 0.232);Gain of catalytic residue at V391 (P = 0.232);Gain of catalytic residue at V391 (P = 0.232);Gain of catalytic residue at V391 (P = 0.232);Gain of catalytic residue at V391 (P = 0.232);
MVP
0.33
MPC
0.13
ClinPred
0.20
T
GERP RS
3.8
Varity_R
0.11
gMVP
0.078

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr10-123843186; API