2-73641294-G-T

Variant summary

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

The NM_003960.4(NAT8):​c.335C>A​(p.Ala112Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000458 in 1,613,988 control chromosomes in the GnomAD database, including 1 homozygotes. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00025 ( 1 hom., cov: 32)
Exomes 𝑓: 0.000025 ( 0 hom. )

Consequence

NAT8
NM_003960.4 missense

Scores

3
8
8

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.20
Variant links:
Genes affected
NAT8 (HGNC:18069): (N-acetyltransferase 8 (putative)) This gene, isolated using the differential display method to detect tissue-specific genes, is specifically expressed in kidney and liver. The encoded protein shows amino acid sequence similarity to N-acetyltransferases. A similar protein in Xenopus affects cell adhesion and gastrulation movements, and may be localized in the secretory pathway. A highly similar paralog is found in a cluster with this gene. [provided by RefSeq, Sep 2008]
ALMS1P1 (HGNC:29586): (ALMS1 pseudogene 1)

Genome browser will be placed here

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
NAT8NM_003960.4 linkuse as main transcriptc.335C>A p.Ala112Asp missense_variant 2/2 ENST00000272425.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NAT8ENST00000272425.4 linkuse as main transcriptc.335C>A p.Ala112Asp missense_variant 2/21 NM_003960.4 P1
ALMS1P1ENST00000652439.1 linkuse as main transcriptn.212G>T non_coding_transcript_exon_variant 1/7

Frequencies

GnomAD3 genomes
AF:
0.000250
AC:
38
AN:
152120
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000917
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:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000103
AC:
26
AN:
251416
Hom.:
0
AF XY:
0.0000810
AC XY:
11
AN XY:
135876
show subpopulations
Gnomad AFR exome
AF:
0.00141
Gnomad AMR exome
AF:
0.0000868
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:
0.0000246
AC:
36
AN:
1461868
Hom.:
0
Cov.:
32
AF XY:
0.0000220
AC XY:
16
AN XY:
727236
show subpopulations
Gnomad4 AFR exome
AF:
0.000866
Gnomad4 AMR exome
AF:
0.000112
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:
0.00
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.000250
AC:
38
AN:
152120
Hom.:
1
Cov.:
32
AF XY:
0.000148
AC XY:
11
AN XY:
74292
show subpopulations
Gnomad4 AFR
AF:
0.000917
Gnomad4 AMR
AF:
0.00
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:
0.0000427
Hom.:
0
Bravo
AF:
0.000306
ESP6500AA
AF:
0.00113
AC:
5
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000115
AC:
14

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJan 19, 2022The c.335C>A (p.A112D) alteration is located in exon 2 (coding exon 1) of the NAT8 gene. This alteration results from a C to A substitution at nucleotide position 335, causing the alanine (A) at amino acid position 112 to be replaced by an aspartic acid (D). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.75
BayesDel_addAF
Benign
-0.092
T
BayesDel_noAF
Uncertain
0.060
CADD
Benign
22
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.49
T
Eigen
Uncertain
0.39
Eigen_PC
Benign
0.20
FATHMM_MKL
Uncertain
0.76
D
LIST_S2
Benign
0.81
T
M_CAP
Benign
0.0053
T
MetaRNN
Uncertain
0.54
D
MetaSVM
Benign
-0.52
T
MutationAssessor
Pathogenic
3.5
M
MutationTaster
Benign
0.96
D
PrimateAI
Benign
0.48
T
PROVEAN
Pathogenic
-5.4
D
REVEL
Benign
0.29
Sift
Uncertain
0.0010
D
Sift4G
Uncertain
0.0020
D
Polyphen
1.0
D
Vest4
0.85
MVP
0.57
MPC
0.019
ClinPred
0.31
T
GERP RS
-0.22
Varity_R
0.94
gMVP
0.93

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: rs141315849; hg19: chr2-73868421; API