rs1391644554

Variant summary

Our verdict is Pathogenic. Variant got 11 ACMG points: 11P and 0B. PVS1PM2PP5

The NM_030650.3(LNPK):​c.751C>T​(p.Arg251Ter) variant causes a stop gained change. The variant allele was found at a frequency of 0.00000747 in 1,607,008 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 Pathogenic (no stars). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 31)
Exomes 𝑓: 0.0000069 ( 0 hom. )

Consequence

LNPK
NM_030650.3 stop_gained

Scores

4
2
1

Clinical Significance

Pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: 4.05
Variant links:
Genes affected
LNPK (HGNC:21610): (lunapark, ER junction formation factor) Enables identical protein binding activity. Involved in endoplasmic reticulum tubular network maintenance and positive regulation of endoplasmic reticulum tubular network organization. Located in endoplasmic reticulum tubular network membrane and nucleoplasm. Is integral component of endoplasmic reticulum membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 11 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 2-175939613-G-A is Pathogenic according to our data. Variant chr2-175939613-G-A is described in ClinVar as [Pathogenic]. Clinvar id is 559607.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr2-175939613-G-A is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
LNPKNM_030650.3 linkuse as main transcriptc.751C>T p.Arg251Ter stop_gained 10/13 ENST00000272748.9 NP_085153.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
LNPKENST00000272748.9 linkuse as main transcriptc.751C>T p.Arg251Ter stop_gained 10/131 NM_030650.3 ENSP00000272748 P1Q9C0E8-1

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
151618
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000950
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000401
AC:
1
AN:
249664
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
134948
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000293
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000687
AC:
10
AN:
1455390
Hom.:
0
Cov.:
28
AF XY:
0.00000828
AC XY:
6
AN XY:
724232
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000117
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000723
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
151618
Hom.:
0
Cov.:
31
AF XY:
0.0000135
AC XY:
1
AN XY:
74008
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.0000950
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Neurodevelopmental disorder with epilepsy and hypoplasia of the corpus callosum Pathogenic:1
Pathogenic, no assertion criteria providedliterature onlyOMIMAug 17, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.60
D
BayesDel_noAF
Pathogenic
0.62
CADD
Pathogenic
40
DANN
Uncertain
1.0
Eigen
Pathogenic
1.1
Eigen_PC
Pathogenic
0.90
FATHMM_MKL
Uncertain
0.87
D
MutationTaster
Benign
1.0
A;A;A;A
Vest4
0.47
GERP RS
5.3
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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.

Other links and lift over

dbSNP: rs1391644554; hg19: chr2-176804341; COSMIC: COSV105067969; COSMIC: COSV105067969; API