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17-76468832-G-A

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_001088.3(AANAT):​c.86G>A​(p.Arg29His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000227 in 1,613,450 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.0013 ( 2 hom., cov: 32)
Exomes 𝑓: 0.00012 ( 0 hom. )

Consequence

AANAT
NM_001088.3 missense

Scores

4
7
6

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 9.31
Variant links:
Genes affected
AANAT (HGNC:19): (aralkylamine N-acetyltransferase) The protein encoded by this gene belongs to the acetyltransferase superfamily. It is the penultimate enzyme in melatonin synthesis and controls the night/day rhythm in melatonin production in the vertebrate pineal gland. Melatonin is essential for the function of the circadian clock that influences activity and sleep. This enzyme is regulated by cAMP-dependent phosphorylation that promotes its interaction with 14-3-3 proteins and thus protects the enzyme against proteasomal degradation. This gene may contribute to numerous genetic diseases such as delayed sleep phase syndrome. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2009]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.011256874).
BP6
Variant 17-76468832-G-A is Benign according to our data. Variant chr17-76468832-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 777222.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High Homozygotes in GnomAd4 at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
AANATNM_001088.3 linkuse as main transcriptc.86G>A p.Arg29His missense_variant 2/4 ENST00000392492.8
AANATNM_001166579.2 linkuse as main transcriptc.221G>A p.Arg74His missense_variant 5/7
AANATNR_110548.2 linkuse as main transcriptn.286G>A non_coding_transcript_exon_variant 2/4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
AANATENST00000392492.8 linkuse as main transcriptc.86G>A p.Arg29His missense_variant 2/41 NM_001088.3 P1Q16613-1
AANATENST00000250615.7 linkuse as main transcriptc.221G>A p.Arg74His missense_variant 5/71 Q16613-2
AANATENST00000585649.1 linkuse as main transcriptc.200G>A p.Arg67His missense_variant 1/31
AANATENST00000587798.1 linkuse as main transcriptc.86G>A p.Arg29His missense_variant, NMD_transcript_variant 2/45

Frequencies

GnomAD3 genomes
AF:
0.00124
AC:
189
AN:
152124
Hom.:
2
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00444
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000327
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000316
AC:
79
AN:
249984
Hom.:
0
AF XY:
0.000266
AC XY:
36
AN XY:
135394
show subpopulations
Gnomad AFR exome
AF:
0.00464
Gnomad AMR exome
AF:
0.000116
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:
0.00
GnomAD4 exome
AF:
0.000120
AC:
175
AN:
1461208
Hom.:
0
Cov.:
31
AF XY:
0.000109
AC XY:
79
AN XY:
726938
show subpopulations
Gnomad4 AFR exome
AF:
0.00448
Gnomad4 AMR exome
AF:
0.000179
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:
0.00000270
Gnomad4 OTH exome
AF:
0.000215
GnomAD4 genome
AF:
0.00126
AC:
192
AN:
152242
Hom.:
2
Cov.:
32
AF XY:
0.00130
AC XY:
97
AN XY:
74462
show subpopulations
Gnomad4 AFR
AF:
0.00450
Gnomad4 AMR
AF:
0.000327
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000278
Hom.:
0
Bravo
AF:
0.00141
ESP6500AA
AF:
0.00318
AC:
14
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000420
AC:
51

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeApr 24, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.15
BayesDel_addAF
Benign
-0.25
T
BayesDel_noAF
Benign
-0.13
CADD
Pathogenic
27
DANN
Pathogenic
1.0
Eigen
Pathogenic
0.77
Eigen_PC
Pathogenic
0.68
FATHMM_MKL
Uncertain
0.97
D
LIST_S2
Uncertain
0.93
D;D;D
M_CAP
Uncertain
0.21
D
MetaRNN
Benign
0.011
T;T;T
MetaSVM
Uncertain
-0.18
T
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.56
T
PROVEAN
Benign
-1.5
N;N;.
REVEL
Uncertain
0.34
Sift
Uncertain
0.0010
D;D;.
Sift4G
Pathogenic
0.0
D;D;D
Polyphen
1.0
.;D;.
Vest4
0.81
MVP
0.83
MPC
0.40
ClinPred
0.14
T
GERP RS
4.3
Varity_R
0.33
gMVP
0.66

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: rs141006262; hg19: chr17-74464914; API