chr10-88731096-G-A

Position:

• chr10-88731096-G-A

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2 PP3_Strong

The NM_001080518.2(LIPK):​c.337G>A​(p.Val113Met) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000481 in 1,454,854 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: 33)
  • Exomes 𝑓: 0.0000048 (0 hom.)
• Consequence: LIPK NM_001080518.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 9.85

Genes affected

LIPK (HGNC:23444): (lipase family member K) Predicted to enable lipoprotein lipase activity. Predicted to be involved in cornification. Predicted to be located in extracellular region. Predicted to be active in intracellular membrane-bounded organelle. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.961

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
LIPK	NM_001080518.2	c.337G>A	p.Val113Met	missense_variant	4/10	ENST00000404190.3	NP_001073987.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
LIPK	ENST00000404190.3	c.337G>A	p.Val113Met	missense_variant	4/10	1	NM_001080518.2	ENSP00000383900.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 0.00000481 AC: 7 AN: 1454854 Hom.: 0 Cov.: 32 AF XY: 0.00000553 AC XY: 4 AN XY: 722942

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.0000758

Gnomad4 SAS exome AF: 0.0000118

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00000271

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 33

TwinsUK AF: 0.00 AC: 0

ALSPAC AF: 0.000259 AC: 1

ExAC AF: 0.00000826 AC: 1

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Nov 11, 2024

The c.337G>A (p.V113M) alteration is located in exon 3 (coding exon 3) of the LIPK gene. This alteration results from a G to A substitution at nucleotide position 337, causing the valine (V) at amino acid position 113 to be replaced by a methionine (M). 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	0.78
BayesDel_addAF	Pathogenic	0.47	D
BayesDel_noAF	Pathogenic	0.43
CADD	Pathogenic	33
DANN	Pathogenic	1.0
DEOGEN2	Benign	0.34	T
Eigen	Pathogenic	1.1
Eigen_PC	Pathogenic	0.94
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Pathogenic	0.99	D
M_CAP	Uncertain	0.19	D
MetaRNN	Pathogenic	0.96	D
MetaSVM	Pathogenic	0.94	D
MutationAssessor	Pathogenic	4.7	H
PrimateAI	Uncertain	0.59	T
PROVEAN	Uncertain	-2.9	D
REVEL	Pathogenic	0.87
Sift	Uncertain	0.0010	D
Sift4G	Pathogenic	0.0010	D
Polyphen		1.0	D
Vest4		0.84
MutPred		0.85		Gain of MoRF binding (P = 0.1159);
MVP		0.66
MPC		0.044
ClinPred		1.0	D
GERP RS		5.5
Varity_R		0.82
gMVP		0.59

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: rs746906133; hg19: chr10-90490853; COSMIC: COSV68201040; COSMIC: COSV68201040;