rs765845684

Positions:

Variant summary

Our verdict is Likely benign. Variant got -1 ACMG points: 0P and 1B. BP6

The NM_004655.4(AXIN2):c.2012G>C(p.Arg671Pro) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R671C) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.000019 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

AXIN2
NM_004655.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:4B:2

Conservation

PhyloP100: 7.38

Variant links:

Genes affected

AXIN2 (HGNC:904): (axin 2) The Axin-related protein, Axin2, presumably plays an important role in the regulation of the stability of beta-catenin in the Wnt signaling pathway, like its rodent homologs, mouse conductin/rat axil. In mouse, conductin organizes a multiprotein complex of APC (adenomatous polyposis of the colon), beta-catenin, glycogen synthase kinase 3-beta, and conductin, which leads to the degradation of beta-catenin. Apparently, the deregulation of beta-catenin is an important event in the genesis of a number of malignancies. The AXIN2 gene has been mapped to 17q23-q24, a region that shows frequent loss of heterozygosity in breast cancer, neuroblastoma, and other tumors. Mutations in this gene have been associated with colorectal cancer with defective mismatch repair. [provided by RefSeq, Jul 2008]

AXIN2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -1 ACMG points.

BP6

Variant 17-65536449-C-G is Benign according to our data. Variant chr17-65536449-C-G is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 240006.We mark this variant Likely_benign, oryginal submissions are: {Uncertain_significance=4, Likely_benign=1, Benign=1}.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
AXIN2	NM_004655.4 linkuse as main transcript	c.2012G>C	p.Arg671Pro	missense_variant	8/11	ENST00000307078.10

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris
AXIN2	ENST00000307078.10 linkuse as main transcript	c.2012G>C	p.Arg671Pro	missense_variant	8/11	1	NM_004655.4	P1
AXIN2	ENST00000375702.5 linkuse as main transcript	c.1817G>C	p.Arg606Pro	missense_variant	6/9	1
AXIN2	ENST00000618960.4 linkuse as main transcript	c.1817G>C	p.Arg606Pro	missense_variant	7/10	5
AXIN2	ENST00000578251.1 linkuse as main transcript	n.234G>C		non_coding_transcript_exon_variant	1/3	3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.000103

AC:

AN:

241746

Hom.:

AF XY:

0.0000759

AC XY:

AN XY:

131798

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000672

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:

0.00

Gnomad OTH exome

AF:

0.000336

GnomAD4 exome

Data not reliable, filtered out with message: AS_VQSR

AF:

0.0000192

AC:

AN:

1461274

Hom.:

Cov.:

AF XY:

0.0000206

AC XY:

AN XY:

726946

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.000559

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000180

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

Cov.:

ExAC

AF:

0.0000825

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:4Benign:2

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Oligodontia-cancer predisposition syndrome

Uncertain:2

Uncertain significance, criteria provided, single submitter	clinical testing	Baylor Genetics	Apr 10, 2020	This variant was determined to be of uncertain significance according to ACMG Guidelines, 2015 [PMID:25741868]. -
Uncertain significance, criteria provided, single submitter	clinical testing	Invitae	Jan 10, 2024	This sequence change replaces arginine, which is basic and polar, with proline, which is neutral and non-polar, at codon 671 of the AXIN2 protein (p.Arg671Pro). This variant is present in population databases (rs765845684, gnomAD 0.06%), and has an allele count higher than expected for a pathogenic variant. This missense change has been observed in individual(s) with colorectal cancer (PMID: 33359728). ClinVar contains an entry for this variant (Variation ID: 240006). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

not provided

Uncertain:1Benign:1

Uncertain significance, criteria provided, single submitter	clinical testing	GeneDx	Oct 31, 2023	In silico analysis supports that this missense variant does not alter protein structure/function; Observed in an individual with colorectal cancer in published literature (PMID: 33359728); This variant is associated with the following publications: (PMID: 15735151, 33359728) -
Likely benign, criteria provided, single submitter	clinical testing	Quest Diagnostics Nichols Institute San Juan Capistrano	Sep 15, 2022	- -

Hereditary cancer-predisposing syndrome

Uncertain:1Benign:1

Benign, criteria provided, single submitter	clinical testing	Ambry Genetics	Apr 23, 2024	This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -
Uncertain significance, criteria provided, single submitter	curation	Sema4, Sema4	Oct 29, 2021	- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.19

BayesDel_addAF

Uncertain

0.060

BayesDel_noAF

Pathogenic

0.21

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.25

.;T;T

Eigen

Pathogenic

0.71

Eigen_PC

Pathogenic

0.70

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Benign

0.81

.;T;.

M_CAP

Uncertain

0.12

MetaRNN

Uncertain

0.59

D;D;D

MetaSVM

Benign

-0.35

MutationTaster

Benign

1.0

D;D

PrimateAI

Uncertain

0.65

PROVEAN

Benign

-0.95

N;.;N

REVEL

Uncertain

0.33

Sift

Benign

0.26

T;.;T

Sift4G

Benign

0.27

T;T;T

Polyphen

1.0

.;D;D

Vest4

0.82

MutPred

0.29

Loss of MoRF binding (P = 0.0018);.;.;

MVP

0.57

MPC

0.87

ClinPred

0.41

GERP RS

5.3

gMVP

0.40

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.

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