rs119485088

Variant summary

Our verdict is Pathogenic. The variant received 12 ACMG points: 12P and 0B. PM2PP2PP3PP5_Very_Strong

The NM_022041.4(GAN):​c.1456G>A​(p.Glu486Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000558 in 1,613,456 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 30)
Exomes 𝑓: 0.0000055 ( 0 hom. )

Consequence

GAN
NM_022041.4 missense

Scores

4
3
8

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:5U:1

Conservation

PhyloP100: 7.65

Publications

10 publications found
Variant links:
Genes affected
GAN (HGNC:4137): (gigaxonin) This gene encodes a member of the cytoskeletal BTB/kelch (Broad-Complex, Tramtrack and Bric a brac) repeat family. The encoded protein plays a role in neurofilament architecture and is involved in mediating the ubiquitination and degradation of some proteins. Defects in this gene are a cause of giant axonal neuropathy (GAN). [provided by RefSeq, Oct 2008]
GAN Gene-Disease associations (from GenCC):
  • giant axonal neuropathy 1
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), G2P, ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 12 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP2
Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 11 curated pathogenic missense variants (we use a threshold of 10). The gene has 3 curated benign missense variants. Trascript score misZ: -2.0288 (below the threshold of 3.09). GenCC associations: The gene is linked to giant axonal neuropathy 1.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.781
PP5
Variant 16-81365432-G-A is Pathogenic according to our data. Variant chr16-81365432-G-A is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 5030.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_022041.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
GAN
NM_022041.4
MANE Select
c.1456G>Ap.Glu486Lys
missense
Exon 9 of 11NP_071324.1A0A0S2Z4W2
GAN
NM_001377486.1
c.817G>Ap.Glu273Lys
missense
Exon 8 of 10NP_001364415.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
GAN
ENST00000648994.2
MANE Select
c.1456G>Ap.Glu486Lys
missense
Exon 9 of 11ENSP00000497351.1Q9H2C0
GAN
ENST00000718305.1
c.1456G>Ap.Glu486Lys
missense
Exon 9 of 11ENSP00000520738.1Q9H2C0
GAN
ENST00000880995.1
c.1105G>Ap.Glu369Lys
missense
Exon 8 of 10ENSP00000551054.1

Frequencies

GnomAD3 genomes
AF:
0.00000659
AC:
1
AN:
151636
Hom.:
0
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000948
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00000398
AC:
1
AN:
251492
AF XY:
0.00000736
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 FIN exome
AF:
0.0000462
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000547
AC:
8
AN:
1461820
Hom.:
0
Cov.:
32
AF XY:
0.00000550
AC XY:
4
AN XY:
727218
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86252
European-Finnish (FIN)
AF:
0.0000374
AC:
2
AN:
53418
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00000450
AC:
5
AN:
1111950
Other (OTH)
AF:
0.0000166
AC:
1
AN:
60392
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.438
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.00000659
AC:
1
AN:
151636
Hom.:
0
Cov.:
30
AF XY:
0.0000135
AC XY:
1
AN XY:
74044
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41186
American (AMR)
AF:
0.00
AC:
0
AN:
15204
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3464
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5178
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4794
European-Finnish (FIN)
AF:
0.0000948
AC:
1
AN:
10546
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
314
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
67962
Other (OTH)
AF:
0.00
AC:
0
AN:
2076
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.0000341
Hom.:
0
Bravo
AF:
0.00000378

ClinVar

ClinVar submissions
Significance:Pathogenic/Likely pathogenic
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
4
1
-
Giant axonal neuropathy 1 (5)
1
-
-
Inborn genetic diseases (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.22
BayesDel_addAF
Pathogenic
0.38
D
BayesDel_noAF
Pathogenic
0.30
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.19
T
Eigen
Benign
0.050
Eigen_PC
Benign
0.18
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.93
D
M_CAP
Benign
0.014
T
MetaRNN
Pathogenic
0.78
D
MetaSVM
Benign
-0.78
T
MutationAssessor
Benign
0.34
N
PhyloP100
7.7
PrimateAI
Uncertain
0.66
T
Sift4G
Benign
0.078
T
Polyphen
0.72
P
Vest4
0.93
MutPred
0.73
Gain of ubiquitination at E486 (P = 0.0131)
MVP
0.90
MPC
0.14
ClinPred
0.72
D
GERP RS
5.7
Varity_R
0.19
gMVP
0.54
Mutation Taster
=30/70
disease causing (ClinVar)

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

Other links and lift over

dbSNP: rs119485088; hg19: chr16-81399037; COSMIC: COSV73720785; API