14-104714244-C-T

Variant names:

Variant summary

Our verdict is Benign. The variant received -13 ACMG points: 0P and 13B. BP4_StrongBP6BS1BS2

The NM_022489.4(INF2):c.3082C>T(p.Arg1028Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000457 in 1,575,502 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 Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R1028S) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 34)

Exomes 𝑓: 0.000044 ( 0 hom. )

Consequence

INF2
NM_022489.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:2

Conservation

PhyloP100: -2.22

Publications

0 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

INF2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -13 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.03587702).

BP6

Variant 14-104714244-C-T is Benign according to our data. Variant chr14-104714244-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 577557.

BS1

Variant frequency is greater than expected in population afr. GnomAdExome4 allele frequency = 0.0000443 (63/1423204) while in subpopulation AFR AF = 0.000123 (4/32588). AF 95% confidence interval is 0.0000416. There are 0 homozygotes in GnomAdExome4. There are 35 alleles in the male GnomAdExome4 subpopulation. Median coverage is 69. This position passed quality control check.

BS2

High AC in GnomAd4 at 9 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
INF2	NM_022489.4 link	c.3082C>T	p.Arg1028Cys	missense_variant	Exon 21 of 23	ENST00000392634.9	NP_071934.3	Q27J81-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
INF2	ENST00000392634.9 link	c.3082C>T	p.Arg1028Cys	missense_variant	Exon 21 of 23	5	NM_022489.4	ENSP00000376410.4		Q27J81-1

Frequencies

GnomAD3 genomes

AF:

0.0000657

AC:

AN:

152180

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000724

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000131

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00143

GnomAD2 exomes

AF:

0.0000463

AC:

AN:

194516

AF XY:

0.0000661

show subpopulations

Gnomad AFR exome

AF:

0.000182

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000469

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000443

AC:

AN:

1423204

Hom.:

Cov.:

AF XY:

0.0000497

AC XY:

AN XY:

704902

show subpopulations

African (AFR)

AF:

0.000123

AC:

AN:

32588

American (AMR)

AF:

0.00

AC:

AN:

41186

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24648

East Asian (EAS)

AF:

0.00

AC:

AN:

37744

South Asian (SAS)

AF:

0.0000867

AC:

AN:

80772

European-Finnish (FIN)

AF:

0.00

AC:

AN:

47328

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5692

European-Non Finnish (NFE)

AF:

0.0000457

AC:

AN:

1094352

Other (OTH)

AF:

0.0000340

AC:

AN:

58894

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.464

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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:

0.0000591

AC:

AN:

152298

Hom.:

Cov.:

AF XY:

0.0000806

AC XY:

AN XY:

74468

show subpopulations

African (AFR)

AF:

0.0000722

AC:

AN:

41562

American (AMR)

AF:

0.000131

AC:

AN:

15300

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5180

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10622

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68016

Other (OTH)

AF:

0.00142

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.000109

Hom.:

Bravo

AF:

0.0000453

ESP6500AA

AF:

0.000251

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000590

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:2

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Inborn genetic diseases

Uncertain:1

Jul 08, 2022

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The p.R1028C variant (also known as c.3082C>T), located in coding exon 20 of the INF2 gene, results from a C to T substitution at nucleotide position 3082. The arginine at codon 1028 is replaced by cysteine, an amino acid with highly dissimilar properties. This amino acid position is conserved. In addition, this alteration is predicted to be tolerated by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -

Focal segmental glomerulosclerosis 5;C4302667:Charcot-Marie-Tooth disease dominant intermediate E

Benign:1

Jun 11, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not provided

Benign:1

Apr 16, 2021

GeneDx

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.077

BayesDel_addAF

Benign

-0.20

BayesDel_noAF

Benign

-0.52

CADD

Benign

4.1

(source)

DANN

Benign

0.93

DEOGEN2

Benign

0.15

.;T;.

Eigen

Benign

-1.4

Eigen_PC

Benign

-1.4

FATHMM_MKL

Benign

0.013

LIST_S2

Benign

0.68

T;T;T

M_CAP

Uncertain

0.096

MetaRNN

Benign

0.036

T;T;T

MetaSVM

Benign

-0.91

MutationAssessor

Benign

0.0

N;N;.

PhyloP100

-2.2

PrimateAI

Benign

0.27

PROVEAN

Benign

-2.0

N;N;.

REVEL

Benign

0.16

Sift

Benign

0.035

D;D;.

Sift4G

Uncertain

0.054

T;T;T

Polyphen

0.0

B;B;.

Vest4

0.088

MVP

0.082

MPC

0.33

ClinPred

0.055

GERP RS

-2.8

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.055

gMVP

0.13

Mutation Taster

=98/2

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over