rs4915221

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_001164586.2(IGFN1):​c.305G>A​(p.Arg102His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.593 in 1,549,676 control chromosomes in the GnomAD database, including 277,516 homozygotes. In-silico tool predicts a benign outcome for this variant. 11/18 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.64 ( 32452 hom., cov: 34)
Exomes 𝑓: 0.59 ( 245064 hom. )

Consequence

IGFN1
NM_001164586.2 missense

Scores

2
15

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.894
Variant links:
Genes affected
IGFN1 (HGNC:24607): (immunoglobulin like and fibronectin type III domain containing 1) Predicted to be involved in homophilic cell adhesion via plasma membrane adhesion molecules; retina layer formation; and synapse assembly. Predicted to be located in Z disc and nucleus. Predicted to be active in synapse. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -12 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=5.5280852E-6).
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.826 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
IGFN1NM_001164586.2 linkuse as main transcriptc.305G>A p.Arg102His missense_variant 5/24 ENST00000335211.9 NP_001158058.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
IGFN1ENST00000335211.9 linkuse as main transcriptc.305G>A p.Arg102His missense_variant 5/245 NM_001164586.2 ENSP00000334714 P2Q86VF2-5
IGFN1ENST00000437879.6 linkuse as main transcriptc.305G>A p.Arg102His missense_variant, NMD_transcript_variant 5/261 ENSP00000399041 Q86VF2-4
IGFN1ENST00000295591.12 linkuse as main transcriptc.305G>A p.Arg102His missense_variant 5/255 ENSP00000295591 A2Q86VF2-1

Frequencies

GnomAD3 genomes
AF:
0.644
AC:
97977
AN:
152062
Hom.:
32425
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.778
Gnomad AMI
AF:
0.427
Gnomad AMR
AF:
0.611
Gnomad ASJ
AF:
0.593
Gnomad EAS
AF:
0.846
Gnomad SAS
AF:
0.761
Gnomad FIN
AF:
0.619
Gnomad MID
AF:
0.598
Gnomad NFE
AF:
0.557
Gnomad OTH
AF:
0.611
GnomAD3 exomes
AF:
0.635
AC:
99125
AN:
156220
Hom.:
32287
AF XY:
0.639
AC XY:
52870
AN XY:
82798
show subpopulations
Gnomad AFR exome
AF:
0.785
Gnomad AMR exome
AF:
0.627
Gnomad ASJ exome
AF:
0.586
Gnomad EAS exome
AF:
0.836
Gnomad SAS exome
AF:
0.746
Gnomad FIN exome
AF:
0.605
Gnomad NFE exome
AF:
0.557
Gnomad OTH exome
AF:
0.597
GnomAD4 exome
AF:
0.587
AC:
820930
AN:
1397496
Hom.:
245064
Cov.:
39
AF XY:
0.591
AC XY:
407352
AN XY:
689248
show subpopulations
Gnomad4 AFR exome
AF:
0.791
Gnomad4 AMR exome
AF:
0.620
Gnomad4 ASJ exome
AF:
0.586
Gnomad4 EAS exome
AF:
0.835
Gnomad4 SAS exome
AF:
0.748
Gnomad4 FIN exome
AF:
0.603
Gnomad4 NFE exome
AF:
0.558
Gnomad4 OTH exome
AF:
0.618
GnomAD4 genome
AF:
0.644
AC:
98056
AN:
152180
Hom.:
32452
Cov.:
34
AF XY:
0.651
AC XY:
48456
AN XY:
74412
show subpopulations
Gnomad4 AFR
AF:
0.778
Gnomad4 AMR
AF:
0.611
Gnomad4 ASJ
AF:
0.593
Gnomad4 EAS
AF:
0.847
Gnomad4 SAS
AF:
0.761
Gnomad4 FIN
AF:
0.619
Gnomad4 NFE
AF:
0.557
Gnomad4 OTH
AF:
0.614
Alfa
AF:
0.573
Hom.:
61782
Bravo
AF:
0.647
TwinsUK
AF:
0.572
AC:
2122
ALSPAC
AF:
0.555
AC:
2138
ESP6500AA
AF:
0.770
AC:
1065
ESP6500EA
AF:
0.569
AC:
1812
ExAC
AF:
0.639
AC:
15832
Asia WGS
AF:
0.801
AC:
2781
AN:
3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Benign
-0.61
T
BayesDel_noAF
Benign
-0.51
CADD
Benign
21
DANN
Uncertain
1.0
DEOGEN2
Benign
0.022
.;T
Eigen
Benign
-0.36
Eigen_PC
Benign
-0.38
FATHMM_MKL
Benign
0.69
D
LIST_S2
Benign
0.63
T;T
MetaRNN
Benign
0.0000055
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.4
M;M
MutationTaster
Benign
0.67
P;P;P
PrimateAI
Benign
0.24
T
PROVEAN
Benign
-1.9
N;.
REVEL
Benign
0.20
Sift
Benign
0.069
T;.
Sift4G
Benign
0.21
T;T
Vest4
0.15
ClinPred
0.014
T
GERP RS
3.2
Varity_R
0.049
gMVP
0.41

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
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: rs4915221; hg19: chr1-201166383; COSMIC: COSV55168830; API