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16-21652537-C-T

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_005849.4(IGSF6):​c.62G>A​(p.Cys21Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000087 in 1,609,216 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 Likely benign (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000069 ( 0 hom. )

Consequence

IGSF6
NM_005849.4 missense

Scores

18

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.226
Variant links:
Genes affected
IGSF6 (HGNC:5953): (immunoglobulin superfamily member 6) Predicted to enable transmembrane signaling receptor activity. Predicted to be involved in cell surface receptor signaling pathway and immune response. Predicted to be integral component of plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]
METTL9 (HGNC:24586): (methyltransferase 9, His-X-His N1(pi)-histidine) Enables protein-L-histidine N-pros-methyltransferase activity. Predicted to be involved in methylation. Is active in endoplasmic reticulum. [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 -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.012913138).
BP6
Variant 16-21652537-C-T is Benign according to our data. Variant chr16-21652537-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 2370780.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
IGSF6NM_005849.4 linkuse as main transcriptc.62G>A p.Cys21Tyr missense_variant 1/6 ENST00000268389.6
METTL9NM_016025.5 linkuse as main transcriptc.752-2690C>T intron_variant ENST00000358154.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
IGSF6ENST00000268389.6 linkuse as main transcriptc.62G>A p.Cys21Tyr missense_variant 1/61 NM_005849.4 P1
METTL9ENST00000358154.8 linkuse as main transcriptc.752-2690C>T intron_variant 1 NM_016025.5 P3Q9H1A3-1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152144
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:
0.000189
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000161
AC:
4
AN:
248342
Hom.:
0
AF XY:
0.0000149
AC XY:
2
AN XY:
134280
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000602
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000925
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000686
AC:
10
AN:
1456954
Hom.:
0
Cov.:
29
AF XY:
0.00000828
AC XY:
6
AN XY:
724652
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000682
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000541
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152262
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74448
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.000189
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000113
ExAC
AF:
0.0000165
AC:
2

ClinVar

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

Submissions by phenotype

not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingAmbry GeneticsSep 17, 2021This 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
0.081
BayesDel_addAF
Benign
-0.46
T
BayesDel_noAF
Benign
-0.72
CADD
Benign
0.28
DANN
Benign
0.87
DEOGEN2
Benign
0.034
T;T
Eigen
Benign
-1.8
Eigen_PC
Benign
-1.8
FATHMM_MKL
Benign
0.0011
N
M_CAP
Benign
0.0026
T
MetaRNN
Benign
0.013
T;T
MetaSVM
Benign
-0.99
T
MutationAssessor
Benign
-1.0
N;.
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.31
T
PROVEAN
Benign
0.12
N;N
REVEL
Benign
0.0080
Sift
Benign
1.0
T;T
Sift4G
Benign
1.0
T;T
Polyphen
0.0
B;.
Vest4
0.053
MVP
0.072
MPC
0.27
ClinPred
0.052
T
GERP RS
-3.2
Varity_R
0.051
gMVP
0.23

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs142541478; hg19: chr16-21663858; API