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GeneBe

2-190371082-A-C

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001128928.2(INPP1):c.880A>C(p.Ser294Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000867 in 1,614,038 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000089 ( 0 hom. )

Consequence

INPP1
NM_001128928.2 missense

Scores

1
8
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.48
Variant links:
Genes affected
INPP1 (HGNC:6071): (inositol polyphosphate-1-phosphatase) This gene encodes the enzyme inositol polyphosphate-1-phosphatase, one of the enzymes involved in phosphatidylinositol signaling pathways. This enzyme removes the phosphate group at position 1 of the inositol ring from the polyphosphates inositol 1,4-bisphosphate and inositol 1,3,4-trisphophosphate. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
INPP1NM_001128928.2 linkuse as main transcriptc.880A>C p.Ser294Arg missense_variant 7/7 ENST00000392329.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
INPP1ENST00000392329.7 linkuse as main transcriptc.880A>C p.Ser294Arg missense_variant 7/75 NM_001128928.2 P1
INPP1ENST00000322522.8 linkuse as main transcriptc.880A>C p.Ser294Arg missense_variant 6/61 P1
INPP1ENST00000470892.1 linkuse as main transcript downstream_gene_variant 2

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152156
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
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
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251374
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135848
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:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000889
AC:
13
AN:
1461882
Hom.:
0
Cov.:
30
AF XY:
0.00000688
AC XY:
5
AN XY:
727242
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000447
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.0000504
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000540
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152156
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74328
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
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
Alfa
AF:
0.0000329
Hom.:
0
Bravo
AF:
0.0000113
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 GeneticsMay 27, 2022The c.880A>C (p.S294R) alteration is located in exon 7 (coding exon 5) of the INPP1 gene. This alteration results from a A to C substitution at nucleotide position 880, causing the serine (S) at amino acid position 294 to be replaced by an arginine (R). 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
Pathogenic
0.99
BayesDel_addAF
Benign
-0.12
T
BayesDel_noAF
Benign
-0.31
Cadd
Uncertain
23
Dann
Uncertain
1.0
DEOGEN2
Benign
0.13
T;T
Eigen
Uncertain
0.37
Eigen_PC
Uncertain
0.32
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Benign
0.73
T;.
M_CAP
Benign
0.022
T
MetaRNN
Uncertain
0.58
D;D
MetaSVM
Benign
-0.87
T
MutationAssessor
Uncertain
2.6
M;M
MutationTaster
Benign
0.74
D;D;D
PrimateAI
Uncertain
0.59
T
PROVEAN
Benign
-1.4
N;N
REVEL
Uncertain
0.31
Sift
Benign
0.18
T;T
Sift4G
Benign
0.28
T;T
Polyphen
1.0
D;D
Vest4
0.61
MutPred
0.74
Gain of methylation at S294 (P = 0.0194);Gain of methylation at S294 (P = 0.0194);
MVP
0.49
MPC
0.94
ClinPred
0.92
D
GERP RS
2.8
Varity_R
0.13
gMVP
0.76

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.

Other links and lift over

dbSNP: rs778874532; hg19: chr2-191235808; API