dbSNP rs9527025: KL:p.Cys370Tyr (chr13-33054056-G-A) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_004795.4(KL):c.1109G>A(p.Cys370Tyr) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,260 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts 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. C370S) has been classified as Benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

KL
NM_004795.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.06

Publications

0 publications found

Variant links:

Genes affected

KL (HGNC:6344): (klotho) This gene encodes a type-I membrane protein that is related to beta-glucosidases. Reduced production of this protein has been observed in patients with chronic renal failure (CRF), and this may be one of the factors underlying the degenerative processes (e.g., arteriosclerosis, osteoporosis, and skin atrophy) seen in CRF. Also, mutations within this protein have been associated with ageing and bone loss. [provided by RefSeq, Jul 2008]

KL Gene-Disease associations (from GenCC):

tumoral calcinosis, hyperphosphatemic, familial, 1
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
tumoral calcinosis, hyperphosphatemic, familial, 3
Inheritance: AR, Unknown Classification: LIMITED Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Ambry Genetics

KL links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.33776647).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein
KL	NM_004795.4 link	c.1109G>A	p.Cys370Tyr	missense_variant	Exon 2 of 5	ENST00000380099.4	NP_004786.2
KL	XM_006719895.3 link	c.188G>A	p.Cys63Tyr	missense_variant	Exon 2 of 5		XP_006719958.1
KL	XM_047430775.1 link	c.1109G>A	p.Cys370Tyr	missense_variant	Exon 2 of 4		XP_047286731.1
KL	XM_047430776.1 link	c.1109G>A	p.Cys370Tyr	missense_variant	Exon 2 of 4		XP_047286732.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
KL	ENST00000380099.4 link	c.1109G>A	p.Cys370Tyr	missense_variant	Exon 2 of 5	1	NM_004795.4	ENSP00000369442.3
KL	ENST00000487852.1 link	n.1117G>A		non_coding_transcript_exon_variant	Exon 2 of 5	5

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461260

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726908

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33408

American (AMR)

AF:

0.00

AC:

AN:

44628

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26120

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86206

European-Finnish (FIN)

AF:

0.0000187

AC:

AN:

53376

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111704

Other (OTH)

AF:

0.00

AC:

AN:

60356

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.74

BayesDel_addAF

Benign

-0.16

BayesDel_noAF

Benign

-0.47

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.081

Eigen

Benign

-0.038

Eigen_PC

Benign

0.15

FATHMM_MKL

Uncertain

0.92

LIST_S2

Uncertain

0.86

M_CAP

Benign

0.035

MetaRNN

Benign

0.34

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.34

PhyloP100

6.1

PrimateAI

Uncertain

0.68

PROVEAN

Benign

0.17

REVEL

Benign

0.20

Sift

Uncertain

0.0020

Sift4G

Uncertain

0.057

Polyphen

0.76

Vest4

0.23

MutPred

0.47

Gain of catalytic residue at A368 (P = 0.0018);

MVP

0.62

MPC

0.30

ClinPred

0.81

GERP RS

5.9

Varity_R

0.87

gMVP

0.90

Mutation Taster

=82/18

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

Computational scores

Splicing

Publications

Other links and lift over