Genetic Variant NM_198461.4:c.2152G>A (chr2-100284411-C-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_198461.4(LONRF2):c.2152G>A(p.Gly718Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000168 in 1,605,642 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000017 ( 0 hom. )

Consequence

LONRF2
NM_198461.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.07

Publications

0 publications found

Variant links:

Genes affected

LONRF2 (HGNC:24788): (LON peptidase N-terminal domain and ring finger 2) Predicted to enable metal ion binding activity. [provided by Alliance of Genome Resources, Apr 2022]

LONRF2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.042048156).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_198461.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	LONRF2	NM_198461.4	MANE Select	c.2152G>A	p.Gly718Ser	missense	Exon 12 of 12	NP_940863.3	Q1L5Z9-1
	LONRF2	NM_001371783.1		c.1423G>A	p.Gly475Ser	missense	Exon 13 of 13	NP_001358712.1	Q1L5Z9-2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	LONRF2	ENST00000393437.8	TSL:5 MANE Select	c.2152G>A	p.Gly718Ser	missense	Exon 12 of 12	ENSP00000377086.3	Q1L5Z9-1
	LONRF2	ENST00000409647.1	TSL:2	c.1423G>A	p.Gly475Ser	missense	Exon 12 of 12	ENSP00000386823.1	Q1L5Z9-2

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152216

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000853

AC:

AN:

234438

AF XY:

0.0000158

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000189

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000165

AC:

AN:

1453426

Hom.:

Cov.:

AF XY:

0.0000152

AC XY:

AN XY:

721966

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33360

American (AMR)

AF:

0.00

AC:

AN:

43836

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25904

East Asian (EAS)

AF:

0.00

AC:

AN:

39372

South Asian (SAS)

AF:

0.0000119

AC:

AN:

84054

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52758

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

0.0000208

AC:

AN:

1108362

Other (OTH)

AF:

0.00

AC:

AN:

60020

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.467

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152216

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74362

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41450

American (AMR)

AF:

0.00

AC:

AN:

15280

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5198

South Asian (SAS)

AF:

0.000207

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68050

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.542

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000151

ExAC

AF:

0.00000824

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.15

BayesDel_addAF

Benign

-0.30

BayesDel_noAF

Benign

-0.67

CADD

Benign

(source)

DANN

Benign

0.93

DEOGEN2

Benign

0.0090

Eigen

Benign

-1.0

Eigen_PC

Benign

-0.93

FATHMM_MKL

Benign

0.47

LIST_S2

Benign

0.84

M_CAP

Benign

0.012

MetaRNN

Benign

0.042

MetaSVM

Benign

-0.98

MutationAssessor

Benign

0.41

PhyloP100

1.1

PrimateAI

Benign

0.34

PROVEAN

Benign

-0.40

REVEL

Benign

0.084

Sift

Benign

0.71

Sift4G

Benign

0.82

Polyphen

0.34

Vest4

0.032

MutPred

0.51

Gain of catalytic residue at G718 (P = 0.0261)

MVP

0.20

MPC

0.56

ClinPred

0.48

GERP RS

1.3

Varity_R

0.038

gMVP

0.36

Mutation Taster

=90/10

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over