Genetic Variant ITPRIPL2:p.Ala85Pro (chr16-19114714-G-C) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001034841.4(ITPRIPL2):c.253G>C(p.Ala85Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000411 in 1,460,368 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

ITPRIPL2
NM_001034841.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.683

Variant links:

Genes affected

ITPRIPL2 (HGNC:27257): (ITPRIP like 2) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

ITPRIPL2 links:

ENSG00000261427 (HGNC:):

ENSG00000261427 links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.043765068).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ITPRIPL2	NM_001034841.4 link	c.253G>C	p.Ala85Pro	missense_variant	Exon 1 of 1	ENST00000381440.5	NP_001030013.1	Q3MIP1
ITPRIPL2	NR_028028.2 link	n.235G>C		non_coding_transcript_exon_variant	Exon 2 of 2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ITPRIPL2	ENST00000381440.5 link	c.253G>C	p.Ala85Pro	missense_variant	Exon 1 of 1	6	NM_001034841.4	ENSP00000370849.3	Q3MIP1
ENSG00000261427	ENST00000564808.6 link	n.197G>C		non_coding_transcript_exon_variant	Exon 2 of 6	4
ITPRIPL2	ENST00000566735.1 link	n.267G>C		non_coding_transcript_exon_variant	Exon 2 of 2	2
ENSG00000261427	ENST00000568526.1 link	n.140G>C		non_coding_transcript_exon_variant	Exon 2 of 5	5

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000822

AC:

AN:

243446

Hom.:

AF XY:

0.00

AC XY:

AN XY:

132976

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

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:

0.0000184

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000411

AC:

AN:

1460368

Hom.:

Cov.:

AF XY:

0.00000413

AC XY:

AN XY:

726494

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

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:

0.00000540

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

Bravo

AF:

0.00000378

EpiCase

AF:

0.00

EpiControl

AF:

0.0000593

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 22, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.253G>C (p.A85P) alteration is located in exon 1 (coding exon 1) of the ITPRIPL2 gene. This alteration results from a G to C substitution at nucleotide position 253, causing the alanine (A) at amino acid position 85 to be replaced by a proline (P). 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

0.065

BayesDel_addAF

Benign

-0.34

BayesDel_noAF

Benign

-0.70

CADD

Benign

1.2

DANN

Benign

0.95

DEOGEN2

Benign

0.0013

Eigen

Benign

-1.2

Eigen_PC

Benign

-1.3

FATHMM_MKL

Benign

0.069

LIST_S2

Benign

0.40

M_CAP

Benign

0.0088

MetaRNN

Benign

0.044

MetaSVM

Benign

-0.97

MutationAssessor

Benign

0.34

PrimateAI

Uncertain

0.53

PROVEAN

Benign

-0.12

REVEL

Benign

0.015

Sift

Benign

0.24

Sift4G

Benign

0.31

Polyphen

0.0

Vest4

0.043

MutPred

0.27

Loss of helix (P = 0.0304);

MVP

0.030

ClinPred

0.028

GERP RS

-2.1

Varity_R

0.071

gMVP

0.32

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

LitVar

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

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over