Genetic Variant NM_001013615.3:c.289C>T (chr1-46219789-C-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001013615.3(LURAP1):c.289C>T(p.Arg97Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000137 in 1,461,804 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000014 ( 0 hom. )

Consequence

LURAP1
NM_001013615.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.779

Variant links:

Genes affected

LURAP1 (HGNC:32327): (leucine rich adaptor protein 1) Involved in positive regulation of I-kappaB kinase/NF-kappaB signaling and positive regulation of cytokine production. Located in cytosol and intracellular membrane-bounded organelle. [provided by Alliance of Genome Resources, Apr 2022]

LURAP1 links:

POMGNT1 (HGNC:19139): (protein O-linked mannose N-acetylglucosaminyltransferase 1 (beta 1,2-)) This gene encodes a type II transmembrane protein that resides in the Golgi apparatus. It participates in O-mannosyl glycosylation and is specific for alpha linked terminal mannose. Mutations in this gene may be associated with muscle-eye-brain disease and several congenital muscular dystrophies. Alternatively spliced transcript variants that encode different protein isoforms have been described. [provided by RefSeq, Feb 2014]

POMGNT1 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
LURAP1	NM_001013615.3 link	c.289C>T	p.Arg97Trp	missense_variant	Exon 2 of 2	ENST00000371980.4	NP_001013633.1	Q96LR2
POMGNT1	NM_001243766.2 link	c.-135G>A		5_prime_UTR_variant	Exon 1 of 23		NP_001230695.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
LURAP1	ENST00000371980.4 link	c.289C>T	p.Arg97Trp	missense_variant	Exon 2 of 2	1	NM_001013615.3	ENSP00000361048.3	Q96LR2
POMGNT1	ENST00000371992.1 link	c.-135G>A		5_prime_UTR_variant	Exon 1 of 23	2		ENSP00000361060.1	Q8WZA1-2
POMGNT1	ENST00000693223.1 link	n.514G>A		non_coding_transcript_exon_variant	Exon 1 of 20

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.0000119

AC:

AN:

251200

Hom.:

AF XY:

0.0000147

AC XY:

AN XY:

135768

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000109

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000880

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000137

AC:

AN:

1461804

Hom.:

Cov.:

AF XY:

0.0000151

AC XY:

AN XY:

727200

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000101

Gnomad4 SAS exome

AF:

0.0000348

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000117

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

Bravo

AF:

0.00000378

ExAC

AF:

0.00000824

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Nov 28, 2023

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.289C>T (p.R97W) alteration is located in exon 2 (coding exon 2) of the LURAP1 gene. This alteration results from a C to T substitution at nucleotide position 289, causing the arginine (R) at amino acid position 97 to be replaced by a tryptophan (W). 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

Uncertain

0.38

BayesDel_addAF

Benign

0.0027

BayesDel_noAF

Uncertain

-0.010

CADD

Uncertain

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.17

Eigen

Uncertain

0.36

Eigen_PC

Uncertain

0.31

FATHMM_MKL

Uncertain

0.84

LIST_S2

Uncertain

0.97

M_CAP

Benign

0.048

MetaRNN

Uncertain

0.55

MetaSVM

Benign

-0.41

MutationAssessor

Uncertain

2.2

PrimateAI

Uncertain

0.48

PROVEAN

Pathogenic

-6.2

REVEL

Uncertain

0.29

Sift

Uncertain

0.0010

Sift4G

Uncertain

0.0020

Polyphen

1.0

Vest4

0.58

MutPred

0.30

Gain of catalytic residue at R97 (P = 0.007);

MVP

0.36

MPC

0.83

ClinPred

0.98

GERP RS

2.7

Varity_R

0.51

gMVP

0.50

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

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over