12-53309158-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_015665.6(AAAS):ā€‹c.934C>Gā€‹(p.Arg312Gly) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,461,886 control chromosomes in the GnomAD database, with no homozygous occurrence. 3/3 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 0.0000021 ( 0 hom. )

Consequence

AAAS
NM_015665.6 missense, splice_region

Scores

6
8
5
Splicing: ADA: 0.07625
2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.78
Variant links:
Genes affected
AAAS (HGNC:13666): (aladin WD repeat nucleoporin) The protein encoded by this gene is a member of the WD-repeat family of regulatory proteins and may be involved in normal development of the peripheral and central nervous system. The encoded protein is part of the nuclear pore complex and is anchored there by NDC1. Defects in this gene are a cause of achalasia-addisonianism-alacrima syndrome (AAAS), also called triple-A syndrome or Allgrove syndrome. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2010]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
AAASNM_015665.6 linkuse as main transcriptc.934C>G p.Arg312Gly missense_variant, splice_region_variant 9/16 ENST00000209873.9
AAASNM_001173466.2 linkuse as main transcriptc.835C>G p.Arg279Gly missense_variant, splice_region_variant 8/15

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
AAASENST00000209873.9 linkuse as main transcriptc.934C>G p.Arg312Gly missense_variant, splice_region_variant 9/161 NM_015665.6 P1Q9NRG9-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251480
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135916
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:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000205
AC:
3
AN:
1461886
Hom.:
0
Cov.:
36
AF XY:
0.00000138
AC XY:
1
AN XY:
727242
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:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.00000824
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.82
BayesDel_addAF
Pathogenic
0.36
D
BayesDel_noAF
Pathogenic
0.37
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.57
D;.;.;T
Eigen
Benign
-0.040
Eigen_PC
Benign
0.059
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Benign
0.84
T;T;T;D
M_CAP
Uncertain
0.11
D
MetaRNN
Uncertain
0.71
D;D;D;D
MetaSVM
Uncertain
0.55
D
MutationAssessor
Pathogenic
3.1
M;.;.;.
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Uncertain
0.69
T
PROVEAN
Pathogenic
-5.8
D;D;D;D
REVEL
Pathogenic
0.73
Sift
Uncertain
0.024
D;D;D;D
Sift4G
Benign
0.075
T;T;T;.
Polyphen
0.0020
B;.;.;.
Vest4
0.72
MutPred
0.59
Gain of catalytic residue at V313 (P = 0);.;.;.;
MVP
0.94
MPC
0.12
ClinPred
0.94
D
GERP RS
3.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.49
gMVP
0.94

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.076
dbscSNV1_RF
Benign
0.18
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: rs121918547; hg19: chr12-53702942; API