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GeneBe

8-38819925-A-C

Variant summary

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

The NM_006283.3(TACC1):ā€‹c.681A>Cā€‹(p.Arg227Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000254 in 1,614,044 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: š‘“ 0.000039 ( 0 hom., cov: 32)
Exomes š‘“: 0.000024 ( 0 hom. )

Consequence

TACC1
NM_006283.3 missense

Scores

3
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.561
Variant links:
Genes affected
TACC1 (HGNC:11522): (transforming acidic coiled-coil containing protein 1) This locus may represent a breast cancer candidate gene. It is located close to FGFR1 on a region of chromosome 8 that is amplified in some breast cancers. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jun 2017]

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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=0.16896603).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TACC1NM_006283.3 linkuse as main transcriptc.681A>C p.Arg227Ser missense_variant 3/13 ENST00000317827.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TACC1ENST00000317827.9 linkuse as main transcriptc.681A>C p.Arg227Ser missense_variant 3/131 NM_006283.3 O75410-1

Frequencies

GnomAD3 genomes
AF:
0.0000394
AC:
6
AN:
152202
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000120
AC:
3
AN:
250112
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135532
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000579
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:
0.00000887
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000239
AC:
35
AN:
1461842
Hom.:
0
Cov.:
31
AF XY:
0.0000220
AC XY:
16
AN XY:
727228
show subpopulations
Gnomad4 AFR exome
AF:
0.0000597
Gnomad4 AMR exome
AF:
0.0000894
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000504
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000234
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000394
AC:
6
AN:
152202
Hom.:
0
Cov.:
32
AF XY:
0.0000403
AC XY:
3
AN XY:
74358
show subpopulations
Gnomad4 AFR
AF:
0.0000483
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000416

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 GeneticsAug 28, 2023The c.681A>C (p.R227S) alteration is located in exon 3 (coding exon 3) of the TACC1 gene. This alteration results from a A to C substitution at nucleotide position 681, causing the arginine (R) at amino acid position 227 to be replaced by a serine (S). 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
0.26
BayesDel_addAF
Benign
-0.066
T
BayesDel_noAF
Benign
-0.16
CADD
Benign
19
DANN
Uncertain
1.0
Eigen
Benign
0.059
Eigen_PC
Benign
0.018
FATHMM_MKL
Uncertain
0.90
D
LIST_S2
Benign
0.79
T;T;T;T;T;T;T;T;T
M_CAP
Benign
0.055
D
MetaRNN
Benign
0.17
T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-0.60
T
MutationTaster
Benign
1.0
D;D;D;N;N;N;N;N;N;N
PrimateAI
Benign
0.42
T
PROVEAN
Benign
0.35
N;N;.;N;N;N;N;N;N
REVEL
Benign
0.16
Sift
Uncertain
0.014
D;D;.;D;D;D;D;D;D
Sift4G
Benign
0.16
T;T;T;T;T;T;T;D;D
Polyphen
1.0
D;.;.;D;.;D;P;.;.
Vest4
0.35
MutPred
0.19
.;.;.;.;.;Gain of phosphorylation at R227 (P = 0.0132);.;.;.;
MVP
0.66
MPC
0.42
ClinPred
0.33
T
GERP RS
1.3
Varity_R
0.066
gMVP
0.20

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs903484759; hg19: chr8-38677443; API