Variant 16-55529906-G-A details in Genebe, Genetics Data Aggregator

Variant summary

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

The NM_017839.5(LPCAT2):c.601G>A(p.Glu201Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000686 in 1,458,564 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: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

LPCAT2
NM_017839.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.59

Variant links:

Genes affected

LPCAT2 (HGNC:26032): (lysophosphatidylcholine acyltransferase 2) This gene encodes a member of the lysophospholipid acyltransferase family. The encoded enzyme may function in two ways: to catalyze the biosynthesis of platelet-activating factor (1-O-alkyl-2-acetyl-sn-glycero-3-phosphocholine) from 1-O-alkyl-sn-glycero-3-phosphocholine, and to catalyze the synthesis of glycerophospholipid precursors from arachidonyl-CoA and lysophosphatidylcholine. The encoded protein may function in membrane biogenesis and production of platelet-activating factor in inflammatory cells. The enzyme may localize to the endoplasmic reticulum and the Golgi. [provided by RefSeq, Feb 2009]

LPCAT2 links:

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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, 0.869

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
LPCAT2	NM_017839.5 linkuse as main transcript	c.601G>A	p.Glu201Lys	missense_variant	4/14	ENST00000262134.10
LPCAT2	XM_047434277.1 linkuse as main transcript	c.433G>A	p.Glu145Lys	missense_variant	4/14
LPCAT2	XM_005256006.4 linkuse as main transcript	c.601G>A	p.Glu201Lys	missense_variant	4/9
LPCAT2	XM_011523169.4 linkuse as main transcript	c.-192G>A		5_prime_UTR_variant	1/11

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
LPCAT2	ENST00000262134.10 linkuse as main transcript	c.601G>A	p.Glu201Lys	missense_variant	4/14	1	NM_017839.5	P1	Q7L5N7-1
LPCAT2	ENST00000564084.1 linkuse as main transcript	c.175G>A	p.Glu59Lys	missense_variant	2/7	3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.86e-7

AC:

AN:

1458564

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

725480

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

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:

9.01e-7

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

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 18, 2021

The c.601G>A (p.E201K) alteration is located in exon 4 (coding exon 4) of the LPCAT2 gene. This alteration results from a G to A substitution at nucleotide position 601, causing the glutamic acid (E) at amino acid position 201 to be replaced by a lysine (K). 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

0.71

BayesDel_addAF

Pathogenic

0.41

BayesDel_noAF

Pathogenic

0.35

Cadd

Pathogenic

Dann

Pathogenic

1.0

DEOGEN2

Uncertain

0.55

Eigen

Pathogenic

0.83

Eigen_PC

Pathogenic

0.82

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.94

M_CAP

Pathogenic

0.31

MetaRNN

Pathogenic

0.87

MetaSVM

Pathogenic

1.0

MutationAssessor

Uncertain

2.7

MutationTaster

Benign

1.0

PrimateAI

Uncertain

0.64

PROVEAN

Uncertain

-3.7

REVEL

Pathogenic

0.78

Sift

Uncertain

0.0020

Sift4G

Uncertain

0.0030

Polyphen

1.0

Vest4

0.92

MutPred

0.52

Gain of MoRF binding (P = 0.0016);

MVP

0.99

MPC

1.6

ClinPred

1.0

GERP RS

5.3

Varity_R

0.92

gMVP

0.87

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

No publications associated with this variant yet.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over