1-160881156-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_017625.3(ITLN1):ā€‹c.562C>Gā€‹(p.Gln188Glu) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000311 in 1,607,314 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/23 in silico tools predict a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.0000066 ( 0 hom., cov: 31)
Exomes š‘“: 0.0000027 ( 0 hom. )

Consequence

ITLN1
NM_017625.3 missense, splice_region

Scores

2
17
Splicing: ADA: 0.01817
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.814
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.14663452).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ITLN1NM_017625.3 linkc.562C>G p.Gln188Glu missense_variant, splice_region_variant 5/8 ENST00000326245.4 NP_060095.2 Q8WWA0

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ITLN1ENST00000326245.4 linkc.562C>G p.Gln188Glu missense_variant, splice_region_variant 5/81 NM_017625.3 ENSP00000323587.3 Q8WWA0
ITLN1ENST00000464077.1 linkn.496C>G splice_region_variant, non_coding_transcript_exon_variant 2/22
ITLN1ENST00000487531.1 linkn.366C>G splice_region_variant, non_coding_transcript_exon_variant 1/35

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152198
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
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
GnomAD3 exomes
AF:
0.0000163
AC:
4
AN:
244882
Hom.:
0
AF XY:
0.00000757
AC XY:
1
AN XY:
132174
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000118
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS 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:
0.00000275
AC:
4
AN:
1455116
Hom.:
0
Cov.:
33
AF XY:
0.00000138
AC XY:
1
AN XY:
723446
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000907
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152198
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
74354
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000655
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJun 13, 2022The c.562C>G (p.Q188E) alteration is located in exon 5 (coding exon 4) of the ITLN1 gene. This alteration results from a C to G substitution at nucleotide position 562, causing the glutamine (Q) at amino acid position 188 to be replaced by a glutamic acid (E). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.39
T
BayesDel_noAF
Benign
-0.57
CADD
Benign
16
DANN
Uncertain
0.98
DEOGEN2
Benign
0.15
T
Eigen
Benign
0.00042
Eigen_PC
Benign
0.0045
FATHMM_MKL
Benign
0.47
N
LIST_S2
Benign
0.76
T
M_CAP
Benign
0.0022
T
MetaRNN
Benign
0.15
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.4
M
PrimateAI
Benign
0.25
T
PROVEAN
Benign
-0.85
N
REVEL
Benign
0.11
Sift
Benign
0.051
T
Sift4G
Benign
0.094
T
Polyphen
0.23
B
Vest4
0.21
MutPred
0.34
Gain of ubiquitination at K189 (P = 0.0495);
MVP
0.24
MPC
0.22
ClinPred
0.25
T
GERP RS
1.9
Varity_R
0.32
gMVP
0.48

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.018
dbscSNV1_RF
Benign
0.26
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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs754549800; hg19: chr1-160850946; API