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GeneBe

4-39407454-G-A

Variant summary

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

The NM_175737.4(KLB):c.505G>A(p.Ala169Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000514 in 1,614,114 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 Uncertain significance (no stars).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000054 ( 0 hom. )

Consequence

KLB
NM_175737.4 missense

Scores

19

Clinical Significance

Uncertain significance no assertion criteria provided U:1

Conservation

PhyloP100: 0.844
Variant links:
Genes affected
KLB (HGNC:15527): (klotho beta) Enables fibroblast growth factor binding activity and fibroblast growth factor receptor binding activity. Predicted to be involved in fibroblast growth factor receptor signaling pathway. Predicted to act upstream of or within positive regulation of MAPKKK cascade by fibroblast growth factor receptor signaling pathway and positive regulation of cell population proliferation. Predicted to be located in plasma membrane. Predicted to be active in endoplasmic reticulum. [provided by Alliance of Genome Resources, Apr 2022]

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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=0.014263988).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KLBNM_175737.4 linkuse as main transcriptc.505G>A p.Ala169Thr missense_variant 1/5 ENST00000257408.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KLBENST00000257408.5 linkuse as main transcriptc.505G>A p.Ala169Thr missense_variant 1/51 NM_175737.4 P1

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152150
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000621
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000140
AC:
35
AN:
250618
Hom.:
0
AF XY:
0.000169
AC XY:
23
AN XY:
135778
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.0000992
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00101
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000264
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000540
AC:
79
AN:
1461846
Hom.:
0
Cov.:
32
AF XY:
0.0000633
AC XY:
46
AN XY:
727222
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000591
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000108
Gnomad4 OTH exome
AF:
0.0000828
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152268
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74446
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000414
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000434
Hom.:
0
Bravo
AF:
0.0000227
ExAC
AF:
0.000157
AC:
19
Asia WGS
AF:
0.000577
AC:
2
AN:
3478
EpiCase
AF:
0.000109
EpiControl
AF:
0.00

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Amenorrhea Uncertain:1
Uncertain significance, no assertion criteria providedliterature onlyYale Center for Mendelian Genomics, Yale UniversityMar 08, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.069
BayesDel_addAF
Benign
-0.63
T
BayesDel_noAF
Benign
-0.73
Cadd
Benign
3.4
Dann
Benign
0.83
DEOGEN2
Benign
0.022
T
Eigen
Benign
-0.81
Eigen_PC
Benign
-0.76
FATHMM_MKL
Benign
0.20
N
LIST_S2
Benign
0.56
T
M_CAP
Benign
0.0037
T
MetaRNN
Benign
0.014
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.88
L
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.27
T
PROVEAN
Benign
-0.20
N
REVEL
Benign
0.10
Sift
Benign
0.57
T
Sift4G
Benign
0.21
T
Polyphen
0.17
B
Vest4
0.077
MutPred
0.40
Gain of methylation at K170 (P = 0.0794);
MVP
0.29
MPC
0.57
ClinPred
0.024
T
GERP RS
4.4
Varity_R
0.081
gMVP
0.37

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: rs560220050; hg19: chr4-39409074; API