rs16857876

Positions:

• chr2-11794561-C-T

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_001349206.2(LPIN1):​c.1807-847C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00573 in 152,302 control chromosomes in the GnomAD database, including 43 homozygotes. 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: 𝑓 0.0057 (43 hom., cov: 33)
• Consequence: LPIN1 NM_001349206.2 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -4.00

Genes affected

LPIN1 (HGNC:13345): (lipin 1) This gene encodes a magnesium-ion-dependent phosphatidic acid phosphohydrolase enzyme that catalyzes the penultimate step in triglyceride synthesis including the dephosphorylation of phosphatidic acid to yield diacylglycerol. Expression of this gene is required for adipocyte differentiation and it also functions as a nuclear transcriptional coactivator with some peroxisome proliferator-activated receptors to modulate expression of other genes involved in lipid metabolism. Mutations in this gene are associated with metabolic syndrome, type 2 diabetes, acute recurrent rhabdomyolysis, and autosomal recessive acute recurrent myoglobinuria (ARARM). This gene is also a candidate for several human lipodystrophy syndromes. [provided by RefSeq, Mar 2017]

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.9).
• BA1: GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.112 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
LPIN1	NM_001349206.2	c.1807-847C>T		intron_variant		ENST00000674199.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
LPIN1	ENST00000674199.1	c.1807-847C>T		intron_variant			NM_001349206.2	P4

Frequencies

GnomAD3 genomes AF: 0.00571 AC: 869 AN: 152184 Hom.: 43 Cov.: 33

Gnomad AFR AF: 0.00104

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.0104

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.120

Gnomad SAS AF: 0.00435

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.000132

Gnomad OTH AF: 0.00671

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.00573 AC: 872 AN: 152302 Hom.: 43 Cov.: 33 AF XY: 0.00647 AC XY: 482 AN XY: 74452

Gnomad4 AFR AF: 0.00103

Gnomad4 AMR AF: 0.0106

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.120

Gnomad4 SAS AF: 0.00436

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.000132

Gnomad4 OTH AF: 0.00664

Alfa AF: 0.00201 Hom.: 0

Bravo AF: 0.00679

Asia WGS AF: 0.0450 AC: 155 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.90
CADD	Benign	0.036
DANN	Benign	0.79

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

Other links and lift over

dbSNP: rs16857876; hg19: chr2-11934687;