NM_153613.3:c.552G>A

Variant names:

• chr15-34364233-C-T
• rs1343702029
• NM_153613.3:c.552G>A

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 2P and 3B. PM2 BP4_Moderate BP7

The NM_153613.3(LPCAT4):​c.552G>A​(p.Glu184Glu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,708 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: LPCAT4 NM_153613.3 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.68
• Publications: 0 publications found

Genes affected

LPCAT4 (HGNC:30059): (lysophosphatidylcholine acyltransferase 4) Members of the 1-acylglycerol-3-phosphate O-acyltransferase (EC 2.3.1.51) family, such as AGPAT7, catalyze the conversion of lysophosphatidic acid (LPA) to phosphatidic acid (PA), a precursor in the biosynthesis of all glycerolipids. Both LPA and PA are involved in signal transduction (Ye et al., 2005 [PubMed 16243729]).[supplied by OMIM, May 2008]

ACMG classification

Our verdict: Likely_benign. The variant received -1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.10698879).
• BP7: Synonymous conserved (PhyloP=1.67 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_153613.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	LPCAT4	NM_153613.3	MANE Select	c.552G>A	p.Glu184Glu	synonymous	Exon 4 of 14	NP_705841.2	Q643R3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	LPCAT4	ENST00000314891.11	TSL:1 MANE Select	c.552G>A	p.Glu184Glu	synonymous	Exon 4 of 14	ENSP00000317300.6	Q643R3
	LPCAT4	ENST00000566581.5	TSL:1	n.628G>A		non_coding_transcript_exon	Exon 4 of 4
	LPCAT4	ENST00000927810.1		c.552G>A	p.Glu184Glu	synonymous	Exon 4 of 14	ENSP00000597869.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461708 Hom.: 0 Cov.: 32 AF XY: 0.00000138 AC XY: 1 AN XY: 727158

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.0000299 AC: 1 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39698

South Asian (SAS) AF: 0.00 AC: 0 AN: 86256

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53412

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111854

Other (OTH) AF: 0.00 AC: 0 AN: 60380

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.20
BayesDel_addAF	Benign	-0.078	T
BayesDel_noAF	Benign	-0.35
CADD	Benign	12
DANN	Benign	0.66
DEOGEN2	Benign	0.062	T
FATHMM_MKL	Uncertain	0.90	D
LIST_S2	Benign	0.21	T
MetaRNN	Benign	0.11	T
PhyloP100		1.7
Sift4G	Uncertain	0.047	D
Vest4		0.23
MVP		0.73
GERP RS		3.4

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.050		Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Other links and lift over

dbSNP: rs1343702029; hg19: chr15-34656434;