rs201383094

Variant summary

Our verdict is Benign. The variant received -18 ACMG points: 0P and 18B. BP4_ModerateBP6_Very_StrongBS1BS2

The NM_022489.4(INF2):​c.37G>A​(p.Ala13Thr) variant causes a missense change. The variant allele was found at a frequency of 0.000355 in 1,593,462 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 (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A13S) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00031 ( 1 hom., cov: 33)
Exomes 𝑓: 0.00036 ( 1 hom. )

Consequence

INF2
NM_022489.4 missense

Scores

2
7
10

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:8

Conservation

PhyloP100: 6.50

Publications

8 publications found
Variant links:
Genes affected
INF2 (HGNC:23791): (inverted formin 2) This gene represents a member of the formin family of proteins. It is considered a diaphanous formin due to the presence of a diaphanous inhibitory domain located at the N-terminus of the encoded protein. Studies of a similar mouse protein indicate that the protein encoded by this locus may function in polymerization and depolymerization of actin filaments. Mutations at this locus have been associated with focal segmental glomerulosclerosis 5.[provided by RefSeq, Aug 2010]
INF2 Gene-Disease associations (from GenCC):
  • Charcot-Marie-Tooth disease dominant intermediate E
    Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), ClinGen, Orphanet
  • focal segmental glomerulosclerosis 5
    Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
  • familial idiopathic steroid-resistant nephrotic syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -18 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.09146482).
BP6
Variant 14-104701402-G-A is Benign according to our data. Variant chr14-104701402-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 312676.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.000308 (47/152384) while in subpopulation AMR AF = 0.00137 (21/15306). AF 95% confidence interval is 0.000919. There are 1 homozygotes in GnomAd4. There are 18 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.
BS2
High AC in GnomAd4 at 47 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
INF2NM_022489.4 linkc.37G>A p.Ala13Thr missense_variant Exon 2 of 23 ENST00000392634.9 NP_071934.3 Q27J81-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
INF2ENST00000392634.9 linkc.37G>A p.Ala13Thr missense_variant Exon 2 of 23 5 NM_022489.4 ENSP00000376410.4 Q27J81-1

Frequencies

GnomAD3 genomes
AF:
0.000309
AC:
47
AN:
152266
Hom.:
1
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000964
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00137
Gnomad ASJ
AF:
0.000864
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000279
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000357
AC:
76
AN:
212926
AF XY:
0.000344
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000874
Gnomad ASJ exome
AF:
0.00107
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000366
Gnomad OTH exome
AF:
0.000740
GnomAD4 exome
AF:
0.000360
AC:
519
AN:
1441078
Hom.:
1
Cov.:
31
AF XY:
0.000376
AC XY:
269
AN XY:
714884
show subpopulations
African (AFR)
AF:
0.0000605
AC:
2
AN:
33056
American (AMR)
AF:
0.000723
AC:
31
AN:
42874
Ashkenazi Jewish (ASJ)
AF:
0.00132
AC:
34
AN:
25750
East Asian (EAS)
AF:
0.0000259
AC:
1
AN:
38642
South Asian (SAS)
AF:
0.00
AC:
0
AN:
83354
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
50698
Middle Eastern (MID)
AF:
0.000532
AC:
3
AN:
5640
European-Non Finnish (NFE)
AF:
0.000383
AC:
422
AN:
1101568
Other (OTH)
AF:
0.000437
AC:
26
AN:
59496
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.480
Heterozygous variant carriers
0
37
74
112
149
186
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
20
40
60
80
100
<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:
0.000308
AC:
47
AN:
152384
Hom.:
1
Cov.:
33
AF XY:
0.000242
AC XY:
18
AN XY:
74516
show subpopulations
African (AFR)
AF:
0.0000961
AC:
4
AN:
41602
American (AMR)
AF:
0.00137
AC:
21
AN:
15306
Ashkenazi Jewish (ASJ)
AF:
0.000864
AC:
3
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5184
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.000279
AC:
19
AN:
68040
Other (OTH)
AF:
0.00
AC:
0
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.508
Heterozygous variant carriers
0
3
6
8
11
14
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
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
Alfa
AF:
0.000380
Hom.:
1
Bravo
AF:
0.000416
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000238
AC:
2
ExAC
AF:
0.000266
AC:
32

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:8
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:4
-
Breakthrough Genomics, Breakthrough Genomics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Feb 01, 2023
CeGaT Center for Human Genetics Tuebingen
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

INF2: PP2, BS1 -

Mar 26, 2021
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

In silico analysis, which includes protein predictors and evolutionary conservation, supports a deleterious effect; This variant is associated with the following publications: (PMID: 23014460, 20023659, 30295827) -

Feb 17, 2023
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Focal segmental glomerulosclerosis 5;C4302667:Charcot-Marie-Tooth disease dominant intermediate E Benign:1
Jan 27, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Focal segmental glomerulosclerosis 5 Benign:1
Apr 27, 2017
Illumina Laboratory Services, Illumina
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. -

Inborn genetic diseases Benign:1
Oct 28, 2019
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. -

INF2-related disorder Benign:1
Nov 08, 2022
PreventionGenetics, part of Exact Sciences
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.086
BayesDel_addAF
Benign
-0.056
T
BayesDel_noAF
Uncertain
0.070
CADD
Uncertain
25
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.073
.;.;T
Eigen
Uncertain
0.51
Eigen_PC
Uncertain
0.50
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Benign
0.74
T;T;T
M_CAP
Uncertain
0.17
D
MetaRNN
Benign
0.091
T;T;T
MetaSVM
Uncertain
0.078
D
MutationAssessor
Benign
1.6
L;L;L
PhyloP100
6.5
PrimateAI
Uncertain
0.58
T
PROVEAN
Benign
-2.3
N;D;N
REVEL
Uncertain
0.64
Sift
Benign
0.066
T;T;D
Sift4G
Benign
0.074
T;T;T
Polyphen
1.0
D;.;D
Vest4
0.14
MVP
0.82
MPC
2.3
ClinPred
0.10
T
GERP RS
4.3
PromoterAI
0.0074
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.17
gMVP
0.82
Mutation Taster
=81/19
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: rs201383094; hg19: chr14-105167739; API