19-1453309-G-A

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_005883.3(APC2):​c.204G>A​(p.Gly68=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00389 in 1,593,864 control chromosomes in the GnomAD database, including 251 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0042 ( 16 hom., cov: 33)
Exomes 𝑓: 0.0039 ( 235 hom. )

Consequence

APC2
NM_005883.3 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.160
Variant links:
Genes affected
APC2 (HGNC:24036): (APC regulator of WNT signaling pathway 2) This gene encodes a strongly conserved protein that has an N-terminal coiled-coil domain followed by an armadillo domain, five 20-amino acid repeats, and two SAMP domains. This protein promotes the assembly of a multiprotein complex that recruits and phosphorylates the Wnt effector beta-catenin and targets beta-catenin for ubiquitylation and proteasomal degradation. This protein therefore plays a role in the reduction of cytoplasmic levels of beta-catenin which in turn reduces activation of Wnt target genes that play a pivotal role in the pathogenesis of various human cancers. The protein encoded by this gene is closely related to the adenomatous polyposis coli (APC) tumor-suppressor protein and has similar tumor-suppressor effects. This gene also plays a role in actin assembly, cell-cell adhesion, and microtubule network formation through its interaction with cytoskeletal proteins. This gene has its highest expression in the central nervous system and is involved in brain development through cytoskeletal regulation in neurons. Alternative splicing produces multiple transcript variants encoding distinct isoforms. [provided by RefSeq, May 2017]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.53).
BP6
Variant 19-1453309-G-A is Benign according to our data. Variant chr19-1453309-G-A is described in ClinVar as [Benign]. Clinvar id is 1621323.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=0.16 with no splicing effect.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.059 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
APC2NM_005883.3 linkuse as main transcriptc.204G>A p.Gly68= synonymous_variant 3/15 ENST00000590469.6 NP_005874.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
APC2ENST00000590469.6 linkuse as main transcriptc.204G>A p.Gly68= synonymous_variant 3/151 NM_005883.3 ENSP00000467073 P1O95996-1

Frequencies

GnomAD3 genomes
AF:
0.00424
AC:
645
AN:
152214
Hom.:
15
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000796
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00948
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.0644
Gnomad SAS
AF:
0.00331
Gnomad FIN
AF:
0.00611
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000661
Gnomad OTH
AF:
0.00335
GnomAD3 exomes
AF:
0.00846
AC:
1807
AN:
213638
Hom.:
61
AF XY:
0.00736
AC XY:
852
AN XY:
115704
show subpopulations
Gnomad AFR exome
AF:
0.000619
Gnomad AMR exome
AF:
0.0175
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0664
Gnomad SAS exome
AF:
0.00159
Gnomad FIN exome
AF:
0.00613
Gnomad NFE exome
AF:
0.000565
Gnomad OTH exome
AF:
0.00483
GnomAD4 exome
AF:
0.00386
AC:
5559
AN:
1441532
Hom.:
235
Cov.:
32
AF XY:
0.00375
AC XY:
2680
AN XY:
715422
show subpopulations
Gnomad4 AFR exome
AF:
0.000481
Gnomad4 AMR exome
AF:
0.0167
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0978
Gnomad4 SAS exome
AF:
0.00152
Gnomad4 FIN exome
AF:
0.00520
Gnomad4 NFE exome
AF:
0.000378
Gnomad4 OTH exome
AF:
0.00404
GnomAD4 genome
AF:
0.00424
AC:
646
AN:
152332
Hom.:
16
Cov.:
33
AF XY:
0.00503
AC XY:
375
AN XY:
74480
show subpopulations
Gnomad4 AFR
AF:
0.000794
Gnomad4 AMR
AF:
0.00947
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.0647
Gnomad4 SAS
AF:
0.00331
Gnomad4 FIN
AF:
0.00611
Gnomad4 NFE
AF:
0.000661
Gnomad4 OTH
AF:
0.00331
Alfa
AF:
0.000976
Hom.:
0
Bravo
AF:
0.00535
Asia WGS
AF:
0.0300
AC:
103
AN:
3478

ClinVar

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

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 12, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.53
CADD
Benign
7.5
DANN
Benign
0.88

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.

Other links and lift over

dbSNP: rs78476902; hg19: chr19-1453308; COSMIC: COSV52016883; COSMIC: COSV52016883; API