Genetic Variant IWS1:p.Gly550Ser (chr2-127496066-C-T) – ACMG Classification: Likely_benign (-6 pts)

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_017969.3(IWS1):c.1648G>A(p.Gly550Ser) variant causes a missense change. The variant allele was found at a frequency of 0.0000576 in 1,614,038 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00035 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000027 ( 0 hom. )

Consequence

IWS1
NM_017969.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.13

Publications

0 publications found

Variant links:

Genes affected

IWS1 (HGNC:25467): (interacts with SUPT6H, CTD assembly factor 1) Involved in regulation of histone modification; regulation of mRNA export from nucleus; and regulation of mRNA processing. Located in nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

IWS1 links:

ENSG00000231731 (HGNC:):

ENSG00000231731 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.086090386).

BS2

High AC in GnomAd4 at 53 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_017969.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	IWS1	NM_017969.3	MANE Select	c.1648G>A	p.Gly550Ser	missense	Exon 7 of 14	NP_060439.2	Q96ST2-1
	IWS1	NM_001410923.1		c.1648G>A	p.Gly550Ser	missense	Exon 7 of 15	NP_001397852.1	A0A1B0GW95

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
IWS1	ENST00000295321.9	TSL:1 MANE Select	c.1648G>A	p.Gly550Ser	missense	Exon 7 of 14	ENSP00000295321.4	Q96ST2-1
IWS1	ENST00000637187.2	TSL:5	c.1648G>A	p.Gly550Ser	missense	Exon 7 of 15	ENSP00000490836.2	A0A1B0GW95
IWS1	ENST00000866713.1		c.1645G>A	p.Gly549Ser	missense	Exon 7 of 14	ENSP00000536772.1

Frequencies

GnomAD3 genomes

AF:

0.000348

AC:

AN:

152156

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00128

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000637

AC:

AN:

251284

AF XY:

0.0000442

show subpopulations

Gnomad AFR exome

AF:

0.000862

Gnomad AMR exome

AF:

0.0000579

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000274

AC:

AN:

1461764

Hom.:

Cov.:

AF XY:

0.0000289

AC XY:

AN XY:

727194

show subpopulations

African (AFR)

AF:

0.000986

AC:

AN:

33470

American (AMR)

AF:

0.0000447

AC:

AN:

44694

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39690

South Asian (SAS)

AF:

0.00

AC:

AN:

86244

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111958

Other (OTH)

AF:

0.0000828

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.479

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:

0.000348

AC:

AN:

152274

Hom.:

Cov.:

AF XY:

0.000336

AC XY:

AN XY:

74452

show subpopulations

African (AFR)

AF:

0.00128

AC:

AN:

41564

American (AMR)

AF:

0.00

AC:

AN:

15298

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5174

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10614

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68016

Other (OTH)

AF:

0.00

AC:

AN:

2108

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:

0.000299

Hom.:

Bravo

AF:

0.000397

ESP6500AA

AF:

0.00159

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000906

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.73

BayesDel_addAF

Benign

-0.37

BayesDel_noAF

Benign

-0.33

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.012

Eigen

Uncertain

0.20

Eigen_PC

Uncertain

0.26

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.97

M_CAP

Benign

0.014

MetaRNN

Benign

0.086

MetaSVM

Benign

-1.1

MutationAssessor

Uncertain

2.4

PhyloP100

6.1

PrimateAI

Pathogenic

0.92

PROVEAN

Benign

-1.4

REVEL

Benign

0.17

Sift

Benign

0.076

Sift4G

Benign

0.079

Polyphen

0.78

Vest4

0.44

MVP

0.49

MPC

1.1

ClinPred

0.088

GERP RS

5.4

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.13

gMVP

0.41

Mutation Taster

=29/71

disease causing

(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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over