Variant 12-81267986-G-C details in Genebe, Genetics Data Aggregator

Variant summary

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

The NM_003625.5(PPFIA2):c.3412C>G(p.Leu1138Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000197 in 151,974 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 30)

Consequence

PPFIA2
NM_003625.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.99

Variant links:

Genes affected

PPFIA2 (HGNC:9246): (PTPRF interacting protein alpha 2) The protein encoded by this gene is a member of the LAR protein-tyrosine phosphatase-interacting protein (liprin) family. Liprins interact with members of LAR family of transmembrane protein tyrosine phosphatases, which are known to be important for axon guidance and mammary gland development. It has been proposed that liprins are multivalent proteins that form complex structures and act as scaffolds for the recruitment and anchoring of LAR family of tyrosine phosphatases. This protein has been shown to bind the calcium/calmodulin-dependent serine protein kinase (MAGUK family) protein (also known as CASK) and proposed to regulate higher-order brain functions in mammals. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Sep 2013]

PPFIA2 links:

PPFIA2 (HGNC:):

PPFIA2 links:

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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	Protein	UniProt
PPFIA2	NM_003625.5 linkuse as main transcript	c.3412C>G	p.Leu1138Val	missense_variant	29/33	ENST00000549396.6	NP_003616.2	O75334-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
PPFIA2	ENST00000549396.6 linkuse as main transcript	c.3412C>G	p.Leu1138Val	missense_variant	29/33	1	NM_003625.5	ENSP00000450337.1		O75334-1

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

151974

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000197

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

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.0000197

AC:

AN:

151974

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74208

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.000197

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:

0.0000264

ExAC

AF:

0.00000828

AC:

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 submitter

clinical testing

Ambry Genetics

Oct 25, 2024

The c.3412C>G (p.L1138V) alteration is located in exon 29 (coding exon 27) of the PPFIA2 gene. This alteration results from a C to G substitution at nucleotide position 3412, causing the leucine (L) at amino acid position 1138 to be replaced by a valine (V). 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

0.32

BayesDel_addAF

Pathogenic

0.26

BayesDel_noAF

Pathogenic

0.23

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Benign

0.31

.;.;T;.;.;.;T;.;.;.;.

Eigen

Pathogenic

0.89

Eigen_PC

Pathogenic

0.90

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Pathogenic

0.98

D;D;D;D;D;D;D;D;D;.;D

M_CAP

Benign

0.045

MetaRNN

Uncertain

0.64

D;D;D;D;D;D;D;D;D;D;D

MetaSVM

Uncertain

0.48

MutationAssessor

Uncertain

2.2

.;.;M;.;.;.;.;.;.;.;.

PrimateAI

Uncertain

0.68

PROVEAN

Uncertain

-2.7

D;.;D;D;D;D;D;N;D;N;D

REVEL

Uncertain

0.62

Sift

Benign

0.26

T;.;T;T;T;T;D;T;T;T;T

Sift4G

Benign

0.11

T;T;T;T;T;D;T;T;T;T;T

Polyphen

0.97

.;.;D;.;.;.;.;.;.;.;.

Vest4

0.66

MutPred

0.47

.;.;Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);.;.;.;.;.;.;.;

MVP

0.72

MPC

1.6

ClinPred

0.57

GERP RS

5.9

Varity_R

0.71

gMVP

0.57

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