17-67632203-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_012417.4(PITPNC1):​c.427G>A​(p.Asp143Asn) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000806 in 1,612,368 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 29)
Exomes 𝑓: 0.0000075 ( 0 hom. )

Consequence

PITPNC1
NM_012417.4 missense

Scores

5
5
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.30
Variant links:
Genes affected
PITPNC1 (HGNC:21045): (phosphatidylinositol transfer protein cytoplasmic 1) This gene encodes a member of the phosphatidylinositol transfer protein family. The encoded cytoplasmic protein plays a role in multiple processes including cell signaling and lipid metabolism by facilitating the transfer of phosphatidylinositol between membrane compartments. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene, and a pseudogene of this gene is located on the long arm of chromosome 1. [provided by RefSeq, May 2012]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.887

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PITPNC1NM_012417.4 linkuse as main transcriptc.427G>A p.Asp143Asn missense_variant 6/9 ENST00000581322.6
PITPNC1NM_181671.3 linkuse as main transcriptc.427G>A p.Asp143Asn missense_variant 6/10
PITPNC1XM_047435746.1 linkuse as main transcriptc.358G>A p.Asp120Asn missense_variant 6/9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PITPNC1ENST00000581322.6 linkuse as main transcriptc.427G>A p.Asp143Asn missense_variant 6/91 NM_012417.4 Q9UKF7-1
PITPNC1ENST00000580974.6 linkuse as main transcriptc.427G>A p.Asp143Asn missense_variant 6/101 P1
PITPNC1ENST00000578527.1 linkuse as main transcriptn.565G>A non_coding_transcript_exon_variant 3/71
PITPNC1ENST00000581923.5 linkuse as main transcriptn.268G>A non_coding_transcript_exon_variant 4/45

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152160
Hom.:
0
Cov.:
29
show subpopulations
Gnomad AFR
AF:
0.0000483
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:
0.0000120
AC:
3
AN:
249068
Hom.:
0
AF XY:
0.00000740
AC XY:
1
AN XY:
135110
show subpopulations
Gnomad AFR exome
AF:
0.000129
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:
0.00000885
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000753
AC:
11
AN:
1460208
Hom.:
0
Cov.:
29
AF XY:
0.00000688
AC XY:
5
AN XY:
726504
show subpopulations
Gnomad4 AFR exome
AF:
0.000120
Gnomad4 AMR exome
AF:
0.0000224
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
AF:
0.0000131
AC:
2
AN:
152160
Hom.:
0
Cov.:
29
AF XY:
0.0000269
AC XY:
2
AN XY:
74330
show subpopulations
Gnomad4 AFR
AF:
0.0000483
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
Bravo
AF:
0.0000113
ExAC
AF:
0.00000828
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 GeneticsDec 18, 2023The c.427G>A (p.D143N) alteration is located in exon 6 (coding exon 6) of the PITPNC1 gene. This alteration results from a G to A substitution at nucleotide position 427, causing the aspartic acid (D) at amino acid position 143 to be replaced by an asparagine (N). 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
0.91
BayesDel_addAF
Benign
-0.25
T
BayesDel_noAF
Benign
-0.37
CADD
Pathogenic
32
DANN
Uncertain
0.99
DEOGEN2
Benign
0.13
.;T;T
Eigen
Pathogenic
0.89
Eigen_PC
Pathogenic
0.87
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.97
D;D;D
M_CAP
Benign
0.048
D
MetaRNN
Pathogenic
0.89
D;D;D
MetaSVM
Benign
-0.33
T
MutationAssessor
Uncertain
2.7
.;.;M
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Uncertain
0.72
T
REVEL
Uncertain
0.54
Sift4G
Benign
0.076
T;T;T
Polyphen
1.0
.;.;D
Vest4
0.75
MutPred
0.77
.;Loss of disorder (P = 0.1199);Loss of disorder (P = 0.1199);
MVP
0.65
MPC
1.5
ClinPred
0.93
D
GERP RS
5.6
Varity_R
0.39
gMVP
0.95

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: rs777936488; hg19: chr17-65628319; COSMIC: COSV55448359; API