rs1473059816

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_001145805.2(IRGM):​c.112A>G​(p.Met38Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000122 in 1,551,722 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000013 ( 0 hom. )

Consequence

IRGM
NM_001145805.2 missense

Scores

19

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.944
Variant links:
Genes affected
IRGM (HGNC:29597): (immunity related GTPase M) This gene encodes a member of the p47 immunity-related GTPase family. The encoded protein may play a role in the innate immune response by regulating autophagy formation in response to intracellular pathogens. Polymorphisms that affect the normal expression of this gene are associated with a susceptibility to Crohn's disease and tuberculosis. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Oct 2016]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.0573875).
BP6
Variant 5-150848235-A-G is Benign according to our data. Variant chr5-150848235-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 2273698.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
IRGMNM_001145805.2 linkc.112A>G p.Met38Val missense_variant Exon 2 of 2 ENST00000522154.2 NP_001139277.1 A1A4Y4-1
IRGMNM_001346557.2 linkc.112A>G p.Met38Val missense_variant Exon 2 of 4 NP_001333486.1 A1A4Y4-2
IRGMNR_170598.1 linkn.1227A>G non_coding_transcript_exon_variant Exon 2 of 5

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
IRGMENST00000522154.2 linkc.112A>G p.Met38Val missense_variant Exon 2 of 2 1 NM_001145805.2 ENSP00000428220.1 A1A4Y4-1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152206
Hom.:
0
Cov.:
32
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:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000195
AC:
3
AN:
154212
AF XY:
0.0000122
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000810
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000168
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000129
AC:
18
AN:
1399516
Hom.:
0
Cov.:
32
AF XY:
0.0000130
AC XY:
9
AN XY:
690278
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
31598
American (AMR)
AF:
0.000112
AC:
4
AN:
35704
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25182
East Asian (EAS)
AF:
0.00
AC:
0
AN:
35872
South Asian (SAS)
AF:
0.00
AC:
0
AN:
79234
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
49276
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5698
European-Non Finnish (NFE)
AF:
0.00000927
AC:
10
AN:
1078952
Other (OTH)
AF:
0.0000690
AC:
4
AN:
58000
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.481
Heterozygous variant carriers
0
2
3
5
6
8
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:
0.00000657
AC:
1
AN:
152206
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74354
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41468
American (AMR)
AF:
0.00
AC:
0
AN:
15282
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5188
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4836
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10624
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68018
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.575
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:
0.00
Hom.:
0
Bravo
AF:
0.0000189

ClinVar

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

Submissions by phenotype

not specified Benign:1
Sep 16, 2021
Ambry Genetics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.049
BayesDel_addAF
Benign
-0.48
T
BayesDel_noAF
Benign
-0.74
CADD
Benign
0.16
DANN
Benign
0.24
DEOGEN2
Benign
0.044
T
Eigen
Benign
-1.5
Eigen_PC
Benign
-1.3
FATHMM_MKL
Benign
0.0082
N
LIST_S2
Benign
0.54
T
M_CAP
Benign
0.017
T
MetaRNN
Benign
0.057
T
MetaSVM
Benign
-0.95
T
MutationAssessor
Benign
-3.4
N
PhyloP100
0.94
PrimateAI
Benign
0.25
T
PROVEAN
Benign
2.4
N
REVEL
Benign
0.13
Sift
Benign
1.0
T
Sift4G
Benign
1.0
T
Polyphen
0.0010
B
Vest4
0.12
MutPred
0.55
Loss of catalytic residue at V34 (P = 0.0171);
MVP
0.014
ClinPred
0.047
T
GERP RS
2.9
Varity_R
0.041
gMVP
0.11
Mutation Taster
=98/2
polymorphism

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: rs1473059816; hg19: chr5-150227797; API