Genetic Variant NM_017625.3:c.594G>C (chr1-160880679-C-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_017625.3(ITLN1):c.594G>C(p.Lys198Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,844 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

ITLN1
NM_017625.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.417

Publications

1 publications found

Variant links:

Genes affected

ITLN1 (HGNC:18259): (intelectin 1) Enables calcium ion binding activity; identical protein binding activity; and oligosaccharide binding activity. Involved in positive regulation of glucose import; positive regulation of protein phosphorylation; and protein homotrimerization. Located in extracellular exosome. Part of receptor complex. [provided by Alliance of Genome Resources, Apr 2022]

ITLN1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.07398793).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ITLN1	NM_017625.3 link	c.594G>C	p.Lys198Asn	missense_variant	Exon 6 of 8	ENST00000326245.4	NP_060095.2	Q8WWA0

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ITLN1	ENST00000326245.4 link	c.594G>C	p.Lys198Asn	missense_variant	Exon 6 of 8	1	NM_017625.3	ENSP00000323587.3		Q8WWA0
ITLN1	ENST00000487531.1 link	n.398G>C		non_coding_transcript_exon_variant	Exon 2 of 3	5

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000795

AC:

AN:

251420

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

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:

0.00000137

AC:

AN:

1461844

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727226

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.0000447

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111968

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.16

BayesDel_addAF

Benign

-0.48

BayesDel_noAF

Benign

-0.74

CADD

Benign

3.6

(source)

DANN

Benign

0.86

DEOGEN2

Benign

0.10

Eigen

Benign

-0.87

Eigen_PC

Benign

-0.93

FATHMM_MKL

Benign

0.027

LIST_S2

Benign

0.39

M_CAP

Benign

0.0024

MetaRNN

Benign

0.074

MetaSVM

Benign

-0.98

MutationAssessor

Uncertain

2.2

PhyloP100

-0.42

PrimateAI

Benign

0.26

PROVEAN

Benign

-0.090

REVEL

Benign

0.055

Sift

Benign

0.23

Sift4G

Benign

0.31

Polyphen

0.0

Vest4

0.16

MutPred

0.32

Loss of methylation at K198 (P = 0.0011);

MVP

0.26

MPC

0.14

ClinPred

0.040

GERP RS

1.1

Varity_R

0.15

gMVP

0.44

Mutation Taster

=94/6

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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NM_017625.3:c.594G>C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over