12-122986208-C-T

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_020845.3(PITPNM2):​c.3869G>A​(p.Arg1290Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000107 in 1,408,000 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: not found (cov: 33)
Exomes 𝑓: 0.000011 ( 0 hom. )

Consequence

PITPNM2
NM_020845.3 missense

Scores

1
6
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.33
Variant links:
Genes affected
PITPNM2 (HGNC:21044): (phosphatidylinositol transfer protein membrane associated 2) PITPNM2 belongs to a family of membrane-associated phosphatidylinositol transfer domain-containing proteins that share homology with the Drosophila retinal degeneration B (rdgB) protein (Ocaka et al., 2005 [PubMed 15627748]).[supplied by OMIM, Mar 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.2316337).
BS2
High AC in GnomAdExome4 at 15 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
PITPNM2NM_020845.3 linkuse as main transcriptc.3869G>A p.Arg1290Gln missense_variant 26/26 ENST00000320201.10 NP_065896.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PITPNM2ENST00000320201.10 linkuse as main transcriptc.3869G>A p.Arg1290Gln missense_variant 26/265 NM_020845.3 ENSP00000322218 P3Q9BZ72-1
PITPNM2ENST00000280562.9 linkuse as main transcriptc.3851G>A p.Arg1284Gln missense_variant 25/255 ENSP00000280562 A2Q9BZ72-2

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.0000315
AC:
5
AN:
158704
Hom.:
0
AF XY:
0.0000344
AC XY:
3
AN XY:
87244
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000770
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000415
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000311
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000107
AC:
15
AN:
1408000
Hom.:
0
Cov.:
31
AF XY:
0.0000144
AC XY:
10
AN XY:
696836
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000805
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000372
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000826
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Bravo
AF:
0.00000378

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 GeneticsOct 12, 2022The c.3869G>A (p.R1290Q) alteration is located in exon 25 (coding exon 24) of the PITPNM2 gene. This alteration results from a G to A substitution at nucleotide position 3869, causing the arginine (R) at amino acid position 1290 to be replaced by a glutamine (Q). 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
0.28
BayesDel_addAF
Uncertain
0.014
T
BayesDel_noAF
Benign
-0.22
CADD
Pathogenic
29
DANN
Uncertain
1.0
DEOGEN2
Benign
0.21
T;.;T
Eigen
Uncertain
0.65
Eigen_PC
Uncertain
0.65
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Uncertain
0.88
.;D;D
M_CAP
Benign
0.029
D
MetaRNN
Benign
0.23
T;T;T
MetaSVM
Benign
-0.72
T
MutationAssessor
Benign
1.9
L;.;L
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Pathogenic
0.87
D
PROVEAN
Benign
-2.1
N;N;N
REVEL
Benign
0.12
Sift
Benign
0.27
T;T;T
Sift4G
Benign
0.16
T;T;T
Polyphen
1.0
D;D;D
Vest4
0.13
MutPred
0.40
Gain of catalytic residue at L1294 (P = 0.0045);.;Gain of catalytic residue at L1294 (P = 0.0045);
MVP
0.21
MPC
2.3
ClinPred
0.66
D
GERP RS
4.8
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.20
gMVP
0.38

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs1243446303; hg19: chr12-123470755; API