Genetic Variant NM_024512.5:c.838C>A (chr3-46527517-G-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_024512.5(LRRC2):c.838C>A(p.Leu280Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,656 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

LRRC2
NM_024512.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.21

Publications

0 publications found

Variant links:

Genes affected

LRRC2 (HGNC:14676): (leucine rich repeat containing 2) This gene encodes a member of the leucine-rich repeat-containing family of proteins, which function in diverse biological pathways. This family member may possibly be a nuclear protein. Similarity to the RAS suppressor protein, as well as expression down-regulation observed in tumor cells, suggests that it may function as a tumor suppressor. The gene is located in the chromosome 3 common eliminated region 1 (C3CER1), a 1.4 Mb region that is commonly deleted in diverse tumors. A related pseudogene has been identified on chromosome 2. [provided by RefSeq, Sep 2011]

LRRC2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.26100826).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
LRRC2	NM_024512.5 link	c.838C>A	p.Leu280Met	missense_variant	Exon 7 of 9	ENST00000395905.8	NP_078788.2	Q9BYS8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
LRRC2	ENST00000395905.8 link	c.838C>A	p.Leu280Met	missense_variant	Exon 7 of 9	1	NM_024512.5	ENSP00000379241.3	Q9BYS8
LRRC2	ENST00000296144.3 link	c.838C>A	p.Leu280Met	missense_variant	Exon 7 of 9	1		ENSP00000296144.3	Q9BYS8
LRRC2	ENST00000682605.1 link	c.838C>A	p.Leu280Met	missense_variant	Exon 7 of 9			ENSP00000507018.1	Q9BYS8

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461656

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727122

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33474

American (AMR)

AF:

0.00

AC:

AN:

44710

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39694

South Asian (SAS)

AF:

0.00

AC:

AN:

86244

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111826

Other (OTH)

AF:

0.00

AC:

AN:

60386

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 29, 2025

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.838C>A (p.L280M) alteration is located in exon 7 (coding exon 6) of the LRRC2 gene. This alteration results from a C to A substitution at nucleotide position 838, causing the leucine (L) at amino acid position 280 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

Benign

0.10

BayesDel_addAF

Benign

-0.19

BayesDel_noAF

Benign

-0.51

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.0018

T;T

Eigen

Uncertain

0.39

Eigen_PC

Uncertain

0.36

FATHMM_MKL

Benign

0.68

LIST_S2

Benign

0.65

.;T

M_CAP

Benign

0.0097

MetaRNN

Benign

0.26

T;T

MetaSVM

Benign

-0.99

MutationAssessor

Uncertain

2.4

M;M

PhyloP100

1.2

PrimateAI

Uncertain

0.50

PROVEAN

Benign

0.18

N;N

REVEL

Benign

0.067

Sift

Benign

0.12

T;T

Sift4G

Benign

0.18

T;T

Polyphen

0.99

D;D

Vest4

0.28

MutPred

0.48

Loss of ubiquitination at K283 (P = 0.1435);Loss of ubiquitination at K283 (P = 0.1435);

MVP

0.25

MPC

0.80

ClinPred

0.88

GERP RS

4.6

Varity_R

0.14

gMVP

0.27

Mutation Taster

=94/6

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over