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GeneBe

10-60166859-G-T

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP2PP3

The NM_020987.5(ANK3):​c.2516C>A​(p.Thr839Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000041 in 1,461,674 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. T839M) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

ANK3
NM_020987.5 missense

Scores

10
7
1

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 8.14
Variant links:
Genes affected
ANK3 (HGNC:494): (ankyrin 3) Ankyrins are a family of proteins that are believed to link the integral membrane proteins to the underlying spectrin-actin cytoskeleton and play key roles in activities such as cell motility, activation, proliferation, contact, and the maintenance of specialized membrane domains. Multiple isoforms of ankyrin with different affinities for various target proteins are expressed in a tissue-specific, developmentally regulated manner. Most ankyrins are typically composed of three structural domains: an amino-terminal domain containing multiple ankyrin repeats; a central region with a highly conserved spectrin binding domain; and a carboxy-terminal regulatory domain which is the least conserved and subject to variation. Ankyrin 3 is an immunologically distinct gene product from ankyrins 1 and 2, and was originally found at the axonal initial segment and nodes of Ranvier of neurons in the central and peripheral nervous systems. Multiple transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Feb 2011]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP2
Missense variant where missense usually causes diseases, ANK3
PP3
MetaRNN computational evidence supports a deleterious effect, 0.776

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ANK3NM_020987.5 linkuse as main transcriptc.2516C>A p.Thr839Lys missense_variant 22/44 ENST00000280772.7
ANK3NM_001204404.2 linkuse as main transcriptc.2465C>A p.Thr822Lys missense_variant 22/44
ANK3NM_001320874.2 linkuse as main transcriptc.2516C>A p.Thr839Lys missense_variant 22/43
ANK3NM_001204403.2 linkuse as main transcriptc.2498C>A p.Thr833Lys missense_variant 23/44

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ANK3ENST00000280772.7 linkuse as main transcriptc.2516C>A p.Thr839Lys missense_variant 22/441 NM_020987.5 Q12955-3

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000399
AC:
1
AN:
250772
Hom.:
0
AF XY:
0.00000738
AC XY:
1
AN XY:
135508
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:
0.00000884
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000410
AC:
6
AN:
1461674
Hom.:
0
Cov.:
31
AF XY:
0.00000275
AC XY:
2
AN XY:
727138
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000450
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
Cov.:
33
ExAC
AF:
0.00000824
AC:
1
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.97
BayesDel_addAF
Pathogenic
0.37
D
BayesDel_noAF
Pathogenic
0.30
CADD
Uncertain
24
DANN
Uncertain
0.99
DEOGEN2
Pathogenic
0.83
D;.;.;D;.
Eigen
Pathogenic
0.71
Eigen_PC
Pathogenic
0.73
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Pathogenic
0.98
D;D;D;D;D
M_CAP
Uncertain
0.15
D
MetaRNN
Pathogenic
0.78
D;D;D;D;D
MetaSVM
Uncertain
0.087
D
MutationAssessor
Uncertain
2.8
M;.;.;.;.
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Uncertain
0.77
T
PROVEAN
Pathogenic
-5.9
D;D;D;D;D
REVEL
Uncertain
0.45
Sift
Uncertain
0.0010
D;D;D;D;D
Polyphen
1.0
D;.;.;.;.
Vest4
0.92
MutPred
0.33
Gain of ubiquitination at T839 (P = 0.0075);.;.;.;.;
MVP
0.86
MPC
1.7
ClinPred
0.99
D
GERP RS
5.4
Varity_R
0.85
gMVP
0.73

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: rs202156367; hg19: chr10-61926617; API