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GeneBe

2-9481324-G-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001039613.3(IAH1):c.322G>A(p.Ala108Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000824 in 1,614,154 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000085 ( 0 hom. )

Consequence

IAH1
NM_001039613.3 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.585
Variant links:
Genes affected
IAH1 (HGNC:27696): (isoamyl acetate hydrolyzing esterase 1 (putative)) Enables identical protein binding activity. Predicted to be involved in lipid catabolic process. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.029073447).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
IAH1NM_001039613.3 linkuse as main transcriptc.322G>A p.Ala108Thr missense_variant 4/6 ENST00000497473.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
IAH1ENST00000497473.6 linkuse as main transcriptc.322G>A p.Ala108Thr missense_variant 4/61 NM_001039613.3 P1Q2TAA2-1

Frequencies

GnomAD3 genomes
AF:
0.0000592
AC:
9
AN:
152152
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000188
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000735
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000561
AC:
14
AN:
249512
Hom.:
0
AF XY:
0.0000665
AC XY:
9
AN XY:
135372
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000290
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000928
Gnomad NFE exome
AF:
0.0000883
Gnomad OTH exome
AF:
0.000165
GnomAD4 exome
AF:
0.0000848
AC:
124
AN:
1461884
Hom.:
0
Cov.:
31
AF XY:
0.0000839
AC XY:
61
AN XY:
727244
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000749
Gnomad4 NFE exome
AF:
0.000102
Gnomad4 OTH exome
AF:
0.0000497
GnomAD4 genome
AF:
0.0000591
AC:
9
AN:
152270
Hom.:
0
Cov.:
32
AF XY:
0.0000672
AC XY:
5
AN XY:
74446
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.000188
Gnomad4 NFE
AF:
0.0000735
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000706
Hom.:
0
Bravo
AF:
0.0000453
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000778
AC:
3
ExAC
AF:
0.0000744
AC:
9
EpiCase
AF:
0.0000545
EpiControl
AF:
0.0000593

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 GeneticsNov 17, 2022The c.322G>A (p.A108T) alteration is located in exon 4 (coding exon 4) of the IAH1 gene. This alteration results from a G to A substitution at nucleotide position 322, causing the alanine (A) at amino acid position 108 to be replaced by a threonine (T). 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
Benign
0.072
BayesDel_addAF
Benign
-0.38
T
BayesDel_noAF
Benign
-0.61
Cadd
Benign
5.1
Dann
Benign
0.93
DEOGEN2
Benign
0.014
T;T
Eigen
Benign
-0.98
Eigen_PC
Benign
-0.99
FATHMM_MKL
Benign
0.11
N
LIST_S2
Benign
0.84
T;T
M_CAP
Benign
0.0072
T
MetaRNN
Benign
0.029
T;T
MetaSVM
Benign
-0.95
T
MutationAssessor
Benign
0.68
N;.
MutationTaster
Benign
1.0
N;N;N;N
PrimateAI
Benign
0.21
T
PROVEAN
Benign
-0.23
N;N
REVEL
Benign
0.019
Sift
Benign
0.20
T;T
Sift4G
Benign
0.43
T;T
Polyphen
0.0010
B;.
Vest4
0.20
MVP
0.095
MPC
0.15
ClinPred
0.028
T
GERP RS
0.087
Varity_R
0.062
gMVP
0.62

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: rs188277467; hg19: chr2-9621453; COSMIC: COSV61071325; API