rs145163157

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001127671.2(LIFR):c.364A>G(p.Thr122Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000219 in 1,593,666 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Synonymous variant affecting the same amino acid position (i.e. T122T) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0012 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00011 ( 1 hom. )

Consequence

LIFR
NM_001127671.2 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:4B:1

Conservation

PhyloP100: 0.151

Variant links:

Genes affected

LIFR (HGNC:6597): (LIF receptor subunit alpha) This gene encodes a protein that belongs to the type I cytokine receptor family. This protein combines with a high-affinity converter subunit, gp130, to form a receptor complex that mediates the action of the leukemia inhibitory factor, a polyfunctional cytokine that is involved in cellular differentiation, proliferation and survival in the adult and the embryo. Mutations in this gene cause Schwartz-Jampel syndrome type 2, a disease belonging to the group of the bent-bone dysplasias. A translocation that involves the promoter of this gene, t(5;8)(p13;q12) with the pleiomorphic adenoma gene 1, is associated with salivary gland pleiomorphic adenoma, a common type of benign epithelial tumor of the salivary gland. Multiple splice variants encoding two different isoforms have been found for this gene. [provided by RefSeq, Jun 2018]

LIFR links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.0052199364).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
LIFR	NM_001127671.2 linkuse as main transcript	c.364A>G	p.Thr122Ala	missense_variant	4/20	ENST00000453190.7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
LIFR	ENST00000453190.7 linkuse as main transcript	c.364A>G	p.Thr122Ala	missense_variant	4/20	2	NM_001127671.2	P1	P42702-1
LIFR	ENST00000263409.8 linkuse as main transcript	c.364A>G	p.Thr122Ala	missense_variant	4/20	1		P1	P42702-1
LIFR	ENST00000503088.1 linkuse as main transcript	n.527A>G		non_coding_transcript_exon_variant	4/15	1
LIFR	ENST00000506990.5 linkuse as main transcript	c.364A>G	p.Thr122Ala	missense_variant	5/5	3

Frequencies

GnomAD3 genomes

AF:

0.00122

AC:

186

AN:

152242

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00417

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000720

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.000955

GnomAD3 exomes

AF:

0.000256

AC:

AN:

246530

Hom.:

AF XY:

0.000165

AC XY:

AN XY:

133214

show subpopulations

Gnomad AFR exome

AF:

0.00311

Gnomad AMR exome

AF:

0.000328

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:

0.00000894

Gnomad OTH exome

AF:

0.000167

GnomAD4 exome

AF:

0.000112

AC:

162

AN:

1441306

Hom.:

Cov.:

AF XY:

0.0000919

AC XY:

AN XY:

717958

show subpopulations

Gnomad4 AFR exome

AF:

0.00336

Gnomad4 AMR exome

AF:

0.000387

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000353

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

9.13e-7

Gnomad4 OTH exome

AF:

0.000503

GnomAD4 genome

AF:

0.00123

AC:

187

AN:

152360

Hom.:

Cov.:

AF XY:

0.00114

AC XY:

AN XY:

74504

show subpopulations

Gnomad4 AFR

AF:

0.00418

Gnomad4 AMR

AF:

0.000719

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.000945

Alfa

AF:

0.000213

Hom.:

Bravo

AF:

0.00153

ESP6500AA

AF:

0.00273

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000272

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:4Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:2Benign:1

Uncertain significance, criteria provided, single submitter	clinical testing	GeneDx	Jan 13, 2022	In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -
Uncertain significance, criteria provided, single submitter	clinical testing	Eurofins Ntd Llc (ga)	Oct 12, 2015	- -
Likely benign, criteria provided, single submitter	clinical testing	Invitae	Jan 25, 2024	- -

Stuve-Wiedemann syndrome

Uncertain:2

Uncertain significance, criteria provided, single submitter	clinical testing	Fulgent Genetics, Fulgent Genetics	Oct 31, 2018	- -
Uncertain significance, criteria provided, single submitter	clinical testing	ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories	Nov 08, 2019	The LIFR c.364A>G; p.Thr122Ala variant (rs145163157), to our knowledge, is not reported in the medical literature but is reported in ClinVar (Variation ID: 283380). This variant is found in the African population with an allele frequency of 0.35% (86/24,768 alleles) in the Genome Aggregation Database. The threonine at codon 122 is weakly conserved, and computational algorithms (PolyPhen-2, SIFT) predict that this variant is benign. However, due to limited information, the clinical significance of this variant is uncertain at this time. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.066

BayesDel_addAF

Benign

-0.54

BayesDel_noAF

Benign

-0.54

Cadd

Benign

4.3

Dann

Benign

0.51

DEOGEN2

Benign

0.25

T;T;T

Eigen

Benign

-1.0

Eigen_PC

Benign

-0.97

FATHMM_MKL

Benign

0.029

M_CAP

Benign

0.014

MetaRNN

Benign

0.0052

T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.1

L;L;.

MutationTaster

Benign

1.0

N;N

PrimateAI

Benign

0.28

PROVEAN

Benign

-0.15

N;N;N

REVEL

Benign

0.017

Sift

Benign

0.47

T;T;T

Sift4G

Benign

0.49

T;T;.

Polyphen

0.0030

B;B;.

Vest4

0.057

MVP

0.42

MPC

0.086

ClinPred

0.0029

GERP RS

-0.20

Varity_R

0.071

gMVP

0.14

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