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GeneBe

5-38493734-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001127671.2(LIFR):ā€‹c.1937C>Gā€‹(p.Thr646Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,834 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. T646N) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 0.0000014 ( 0 hom. )

Consequence

LIFR
NM_001127671.2 missense

Scores

18

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.43
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]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.14252266).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
LIFRNM_001127671.2 linkuse as main transcriptc.1937C>G p.Thr646Ser missense_variant 14/20 ENST00000453190.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
LIFRENST00000453190.7 linkuse as main transcriptc.1937C>G p.Thr646Ser missense_variant 14/202 NM_001127671.2 P1P42702-1
LIFRENST00000263409.8 linkuse as main transcriptc.1937C>G p.Thr646Ser missense_variant 14/201 P1P42702-1
LIFRENST00000503088.1 linkuse as main transcriptn.2100C>G non_coding_transcript_exon_variant 14/151
LIFRENST00000506003.5 linkuse as main transcriptc.*115C>G 3_prime_UTR_variant, NMD_transcript_variant 4/73

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000795
AC:
2
AN:
251466
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135904
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461834
Hom.:
0
Cov.:
31
AF XY:
0.00000275
AC XY:
2
AN XY:
727224
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000504
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.070
BayesDel_addAF
Benign
-0.36
T
BayesDel_noAF
Benign
-0.59
CADD
Benign
12
DANN
Benign
0.31
DEOGEN2
Benign
0.27
T;T
Eigen
Benign
-0.92
Eigen_PC
Benign
-0.77
FATHMM_MKL
Benign
0.30
N
M_CAP
Benign
0.0050
T
MetaRNN
Benign
0.14
T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
-0.29
N;N
MutationTaster
Benign
1.0
N;N
PrimateAI
Benign
0.41
T
PROVEAN
Benign
1.2
N;N
REVEL
Benign
0.12
Sift
Benign
1.0
T;T
Sift4G
Benign
0.58
T;T
Polyphen
0.0030
B;B
Vest4
0.091
MutPred
0.49
Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);
MVP
0.29
MPC
0.077
ClinPred
0.049
T
GERP RS
-1.1
Varity_R
0.066
gMVP
0.27

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.

Other links and lift over

dbSNP: rs79040751; hg19: chr5-38493836; API