Variant 11-112252374-A-G details in Genebe, Genetics Data Aggregator

Variant summary

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

The NM_001145024.1(PLET1):c.422T>C(p.Leu141Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000825 in 1,551,462 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/18 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00036 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000052 ( 0 hom. )

Consequence

PLET1
NM_001145024.1 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.687

Variant links:

Genes affected

PLET1 (HGNC:30053): (placenta expressed transcript 1) Predicted to be involved in negative regulation of cell-matrix adhesion; positive regulation of cell migration; and wound healing, spreading of epidermal cells. Predicted to be located in extracellular region and plasma membrane. Predicted to be active in apical plasma membrane and external side of plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

PLET1 links:

PTS (HGNC:9689): (6-pyruvoyltetrahydropterin synthase) The enzyme encoded by this gene catalyzes the elimination of inorganic triphosphate from dihydroneopterin triphosphate, which is the second and irreversible step in the biosynthesis of tetrahydrobiopterin from GTP. Tetrahydrobiopterin, also known as BH(4), is an essential cofactor and regulator of various enzyme activities, including enzymes involved in serotonin biosynthesis and NO synthase activity. Mutations in this gene result in hyperphenylalaninemia. [provided by RefSeq, Oct 2008]

PTS links:

Genome browser will be placed here

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=0.042125642).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
PLET1	NM_001145024.1 linkuse as main transcript	c.422T>C	p.Leu141Pro	missense_variant	3/4	ENST00000338832.4	NP_001138496.1	Q6UQ28

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
PLET1	ENST00000338832.4 linkuse as main transcript	c.422T>C	p.Leu141Pro	missense_variant	3/4	5	NM_001145024.1	ENSP00000341412.2		Q6UQ28
PTS	ENST00000531673.5 linkuse as main transcript	n.*363+14868A>G		intron_variant		1		ENSP00000433469.1		E9PKY8

Frequencies

GnomAD3 genomes

AF:

0.000361

AC:

AN:

152196

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00125

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:

0.0000147

Gnomad OTH

AF:

0.000955

GnomAD3 exomes

AF:

0.0000963

AC:

AN:

155838

Hom.:

AF XY:

0.0000726

AC XY:

AN XY:

82594

show subpopulations

Gnomad AFR exome

AF:

0.00139

Gnomad AMR exome

AF:

0.000122

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:

0.0000167

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000522

AC:

AN:

1399148

Hom.:

Cov.:

AF XY:

0.0000420

AC XY:

AN XY:

690100

show subpopulations

Gnomad4 AFR exome

AF:

0.00184

Gnomad4 AMR exome

AF:

0.0000840

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:

0.00000742

Gnomad4 OTH exome

AF:

0.0000690

GnomAD4 genome

AF:

0.000361

AC:

AN:

152314

Hom.:

Cov.:

AF XY:

0.000376

AC XY:

AN XY:

74474

show subpopulations

Gnomad4 AFR

AF:

0.00125

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:

0.0000147

Gnomad4 OTH

AF:

0.000945

Alfa

AF:

0.000279

Hom.:

Bravo

AF:

0.000427

ExAC

AF:

0.0000832

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

Mar 01, 2024

The c.422T>C (p.L141P) alteration is located in exon 3 (coding exon 3) of the PLET1 gene. This alteration results from a T to C substitution at nucleotide position 422, causing the leucine (L) at amino acid position 141 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

Uncertain

0.53

BayesDel_addAF

Benign

-0.44

BayesDel_noAF

Benign

-0.44

CADD

Benign

DANN

Benign

0.85

DEOGEN2

Benign

0.025

Eigen

Benign

-0.49

Eigen_PC

Benign

-0.67

FATHMM_MKL

Benign

0.026

LIST_S2

Benign

0.34

M_CAP

Benign

0.018

MetaRNN

Benign

0.042

MetaSVM

Benign

-0.93

MutationAssessor

Benign

0.0

PROVEAN

Benign

-2.0

REVEL

Benign

0.19

Sift

Benign

0.078

Sift4G

Benign

0.13

Polyphen

0.99

Vest4

0.30

MVP

0.35

ClinPred

0.045

GERP RS

1.3

Varity_R

0.32

gMVP

0.58

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.16

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